X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Fconfigure;h=35aeabc314117c421bcca06ebb096456a4decdbb;hb=86dcbf50fe5f59fbc35f38f02ab6c1803c29f383;hp=0588c94001dd21ddb0badb270503805a85e00066;hpb=257b6bec774c0b9ec2c52494fc4898f472fcdbb8;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbserver/configure b/gdb/gdbserver/configure index 0588c94001..35aeabc314 100755 --- a/gdb/gdbserver/configure +++ b/gdb/gdbserver/configure @@ -589,8 +589,7 @@ ac_includes_default="\ #endif" ac_subst_vars='LTLIBOBJS -version_target -version_host +LIBOBJS GNULIB_STDINT_H extra_libraries IPA_DEPFILES @@ -606,16 +605,16 @@ WERROR_CFLAGS WARN_CFLAGS ustinc ustlibs -LIBOBJS -SET_MAKE -GMAKE_FALSE -GMAKE_TRUE -MAKE +ALLOCA CCDEPMODE DEPDIR am__leading_dot -ALLOCA +host_noncanonical +target_noncanonical +CXX_DIALECT +HAVE_CXX11 RANLIB +AR INSTALL_DATA INSTALL_SCRIPT INSTALL_PROGRAM @@ -634,6 +633,9 @@ build EGREP GREP CPP +ac_ct_CXX +CXXFLAGS +CXX OBJEXT EXEEXT ac_ct_CC @@ -687,10 +689,13 @@ ac_user_opts=' enable_option_checking enable_maintainer_mode enable_largefile +enable_libmcheck with_ust with_ust_include with_ust_lib enable_werror +enable_build_warnings +enable_gdb_build_warnings with_pkgversion with_bugurl with_libthread_db @@ -704,6 +709,9 @@ CFLAGS LDFLAGS LIBS CPPFLAGS +CXX +CXXFLAGS +CCC CPP' @@ -1326,7 +1334,12 @@ Optional Features: --enable-maintainer-mode enable make rules and dependencies not useful (and sometimes confusing) to the casual installer --disable-largefile omit support for large files + --enable-libmcheck Try linking with -lmcheck if available --enable-werror treat compile warnings as errors + --enable-build-warnings enable build-time compiler warnings if gcc is used + --enable-gdb-build-warnings + enable GDB specific build-time compiler warnings if + gcc is used --enable-inprocess-agent inprocess agent @@ -1351,6 +1364,8 @@ Some influential environment variables: LIBS libraries to pass to the linker, e.g. -l CPPFLAGS C/C++/Objective C preprocessor flags, e.g. -I if you have headers in a nonstandard directory + CXX C++ compiler command + CXXFLAGS C++ compiler flags CPP C preprocessor Use these variables to override the choices made by `configure' or to help @@ -1471,6 +1486,44 @@ fi } # ac_fn_c_try_compile +# ac_fn_cxx_try_compile LINENO +# ---------------------------- +# Try to compile conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext + if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_cxx_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + return $ac_retval + +} # ac_fn_cxx_try_compile + # ac_fn_c_try_cpp LINENO # ---------------------- # Try to preprocess conftest.$ac_ext, and return whether this succeeded. @@ -1714,6 +1767,60 @@ fi } # ac_fn_c_try_link +# ac_fn_c_check_type LINENO TYPE VAR INCLUDES +# ------------------------------------------- +# Tests whether TYPE exists after having included INCLUDES, setting cache +# variable VAR accordingly. +ac_fn_c_check_type () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=no" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +if (sizeof ($2)) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +if (sizeof (($2))) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + eval "$3=yes" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + +} # ac_fn_c_check_type + # ac_fn_c_check_func LINENO FUNC VAR # ---------------------------------- # Tests whether FUNC exists, setting the cache variable VAR accordingly @@ -1826,59 +1933,240 @@ $as_echo "$ac_res" >&6; } } # ac_fn_c_check_decl -# ac_fn_c_check_type LINENO TYPE VAR INCLUDES -# ------------------------------------------- -# Tests whether TYPE exists after having included INCLUDES, setting cache -# variable VAR accordingly. -ac_fn_c_check_type () +# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES +# -------------------------------------------- +# Tries to find the compile-time value of EXPR in a program that includes +# INCLUDES, setting VAR accordingly. Returns whether the value could be +# computed +ac_fn_c_compute_int () { as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 -$as_echo_n "checking for $2... " >&6; } -if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then : - $as_echo_n "(cached) " >&6 + if test "$cross_compiling" = yes; then + # Depending upon the size, compute the lo and hi bounds. +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) >= 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_lo=0 ac_mid=0 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=$ac_mid; break +else + as_fn_arith $ac_mid + 1 && ac_lo=$as_val + if test $ac_lo -le $ac_mid; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done else - eval "$3=no" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $4 int main () { -if (sizeof ($2)) - return 0; +static int test_array [1 - 2 * !(($2) < 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=-1 ac_mid=-1 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) >= $ac_mid)]; +test_array [0] = 0 + ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : + ac_lo=$ac_mid; break +else + as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val + if test $ac_mid -le $ac_hi; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + ac_lo= ac_hi= +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +# Binary search between lo and hi bounds. +while test "x$ac_lo" != "x$ac_hi"; do + as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $4 int main () { -if (sizeof (($2))) - return 0; +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0 + ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=$ac_mid +else + as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +done +case $ac_lo in #(( +?*) eval "$3=\$ac_lo"; ac_retval=0 ;; +'') ac_retval=1 ;; +esac + else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +static long int longval () { return $2; } +static unsigned long int ulongval () { return $2; } +#include +#include +int +main () +{ + + FILE *f = fopen ("conftest.val", "w"); + if (! f) + return 1; + if (($2) < 0) + { + long int i = longval (); + if (i != ($2)) + return 1; + fprintf (f, "%ld", i); + } + else + { + unsigned long int i = ulongval (); + if (i != ($2)) + return 1; + fprintf (f, "%lu", i); + } + /* Do not output a trailing newline, as this causes \r\n confusion + on some platforms. */ + return ferror (f) || fclose (f) != 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + echo >>conftest.val; read $3 &5 +$as_echo_n "checking for $2.$3... " >&6; } +if { as_var=$4; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$5 +int +main () +{ +static $2 ac_aggr; +if (ac_aggr.$3) +return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$4=yes" +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$5 +int +main () +{ +static $2 ac_aggr; +if (sizeof ac_aggr.$3) +return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$4=yes" +else + eval "$4=no" fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi -eval ac_res=\$$3 +eval ac_res=\$$4 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 $as_echo "$ac_res" >&6; } eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} -} # ac_fn_c_check_type +} # ac_fn_c_check_member cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. @@ -3025,33 +3313,290 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu - -ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 -$as_echo_n "checking how to run the C preprocessor... " >&6; } -# On Suns, sometimes $CPP names a directory. -if test -n "$CPP" && test -d "$CPP"; then - CPP= -fi -if test -z "$CPP"; then - if test "${ac_cv_prog_CPP+set}" = set; then : +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +if test -z "$CXX"; then + if test -n "$CCC"; then + CXX=$CCC + else + if test -n "$ac_tool_prefix"; then + for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CXX+set}" = set; then : $as_echo_n "(cached) " >&6 else - # Double quotes because CPP needs to be expanded - for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" - do - ac_preproc_ok=false -for ac_c_preproc_warn_flag in '' yes + if test -n "$CXX"; then + ac_cv_prog_CXX="$CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH do - # Use a header file that comes with gcc, so configuring glibc - # with a fresh cross-compiler works. - # Prefer to if __STDC__ is defined, since - # exists even on freestanding compilers. - # On the NeXT, cc -E runs the code through the compiler's parser, + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CXX="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CXX=$ac_cv_prog_CXX +if test -n "$CXX"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5 +$as_echo "$CXX" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CXX" && break + done +fi +if test -z "$CXX"; then + ac_ct_CXX=$CXX + for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CXX"; then + ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CXX="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CXX=$ac_cv_prog_ac_ct_CXX +if test -n "$ac_ct_CXX"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5 +$as_echo "$ac_ct_CXX" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CXX" && break +done + + if test "x$ac_ct_CXX" = x; then + CXX="g++" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CXX=$ac_ct_CXX + fi +fi + + fi +fi +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + rm -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5 +$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; } +if test "${ac_cv_cxx_compiler_gnu+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_cxx_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5 +$as_echo "$ac_cv_cxx_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GXX=yes +else + GXX= +fi +ac_test_CXXFLAGS=${CXXFLAGS+set} +ac_save_CXXFLAGS=$CXXFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5 +$as_echo_n "checking whether $CXX accepts -g... " >&6; } +if test "${ac_cv_prog_cxx_g+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_save_cxx_werror_flag=$ac_cxx_werror_flag + ac_cxx_werror_flag=yes + ac_cv_prog_cxx_g=no + CXXFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + ac_cv_prog_cxx_g=yes +else + CXXFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + +else + ac_cxx_werror_flag=$ac_save_cxx_werror_flag + CXXFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + ac_cv_prog_cxx_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_cxx_werror_flag=$ac_save_cxx_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5 +$as_echo "$ac_cv_prog_cxx_g" >&6; } +if test "$ac_test_CXXFLAGS" = set; then + CXXFLAGS=$ac_save_CXXFLAGS +elif test $ac_cv_prog_cxx_g = yes; then + if test "$GXX" = yes; then + CXXFLAGS="-g -O2" + else + CXXFLAGS="-g" + fi +else + if test "$GXX" = yes; then + CXXFLAGS="-O2" + else + CXXFLAGS= + fi +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if test "${ac_cv_prog_CPP+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -3914,15 +4459,15 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. -set dummy ${ac_tool_prefix}ranlib; ac_word=$2 + # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args. +set dummy ${ac_tool_prefix}ar; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } -if test "${ac_cv_prog_RANLIB+set}" = set; then : +if test "${ac_cv_prog_AR+set}" = set; then : $as_echo_n "(cached) " >&6 else - if test -n "$RANLIB"; then - ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH @@ -3931,7 +4476,7 @@ do test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then - ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + ac_cv_prog_AR="${ac_tool_prefix}ar" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi @@ -3941,10 +4486,10 @@ IFS=$as_save_IFS fi fi -RANLIB=$ac_cv_prog_RANLIB -if test -n "$RANLIB"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 -$as_echo "$RANLIB" >&6; } +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } @@ -3952,17 +4497,17 @@ fi fi -if test -z "$ac_cv_prog_RANLIB"; then - ac_ct_RANLIB=$RANLIB - # Extract the first word of "ranlib", so it can be a program name with args. -set dummy ranlib; ac_word=$2 +if test -z "$ac_cv_prog_AR"; then + ac_ct_AR=$AR + # Extract the first word of "ar", so it can be a program name with args. +set dummy ar; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } -if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then : +if test "${ac_cv_prog_ac_ct_AR+set}" = set; then : $as_echo_n "(cached) " >&6 else - if test -n "$ac_ct_RANLIB"; then - ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH @@ -3971,7 +4516,7 @@ do test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then - ac_cv_prog_ac_ct_RANLIB="ranlib" + ac_cv_prog_ac_ct_AR="ar" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi @@ -3981,17 +4526,17 @@ IFS=$as_save_IFS fi fi -ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB -if test -n "$ac_ct_RANLIB"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 -$as_echo "$ac_ct_RANLIB" >&6; } +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi - if test "x$ac_ct_RANLIB" = x; then - RANLIB=":" + if test "x$ac_ct_AR" = x; then + AR="" else case $cross_compiling:$ac_tool_warned in yes:) @@ -3999,791 +4544,2217 @@ yes:) $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac - RANLIB=$ac_ct_RANLIB + AR=$ac_ct_AR fi else - RANLIB="$ac_cv_prog_RANLIB" + AR="$ac_cv_prog_AR" fi - -test "$program_prefix" != NONE && - program_transform_name="s&^&$program_prefix&;$program_transform_name" -# Use a double $ so make ignores it. -test "$program_suffix" != NONE && - program_transform_name="s&\$&$program_suffix&;$program_transform_name" -# Double any \ or $. -# By default was `s,x,x', remove it if useless. -ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' -program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` - - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 -$as_echo_n "checking for ANSI C header files... " >&6; } -if test "${ac_cv_header_stdc+set}" = set; then : +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_RANLIB+set}" = set; then : $as_echo_n "(cached) " >&6 else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include -#include -#include -#include - -int -main () -{ - - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - ac_cv_header_stdc=yes + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else - ac_cv_header_stdc=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -if test $ac_cv_header_stdc = yes; then - # SunOS 4.x string.h does not declare mem*, contrary to ANSI. - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include -_ACEOF -if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | - $EGREP "memchr" >/dev/null 2>&1; then : +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } else - ac_cv_header_stdc=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi -rm -f conftest* + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" fi -if test $ac_cv_header_stdc = yes; then - # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include - -_ACEOF -if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | - $EGREP "free" >/dev/null 2>&1; then : -else - ac_cv_header_stdc=no -fi -rm -f conftest* +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` -fi -if test $ac_cv_header_stdc = yes; then - # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. - if test "$cross_compiling" = yes; then : - : +# We require a C++11 compiler. Check if one is available, and if +# necessary, set CXX_DIALECT to some -std=xxx switch. + + ax_cxx_compile_cxx11_required=true + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + CXX_DIALECT="" + ac_success=no + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features by default" >&5 +$as_echo_n "checking whether $CXX supports C++11 features by default... " >&6; } +if test "${ax_cv_cxx_compile_cxx11+set}" = set; then : + $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -#include -#include -#if ((' ' & 0x0FF) == 0x020) -# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') -# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) -#else -# define ISLOWER(c) \ - (('a' <= (c) && (c) <= 'i') \ - || ('j' <= (c) && (c) <= 'r') \ - || ('s' <= (c) && (c) <= 'z')) -# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) -#endif -#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) -int -main () -{ - int i; - for (i = 0; i < 256; i++) - if (XOR (islower (i), ISLOWER (i)) - || toupper (i) != TOUPPER (i)) - return 2; - return 0; -} -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : -else - ac_cv_header_stdc=no -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi +// If the compiler admits that it is not ready for C++11, why torture it? +// Hopefully, this will speed up the test. -fi -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 -$as_echo "$ac_cv_header_stdc" >&6; } -if test $ac_cv_header_stdc = yes; then +#ifndef __cplusplus -$as_echo "#define STDC_HEADERS 1" >>confdefs.h +#error "This is not a C++ compiler" -fi +#elif __cplusplus < 201103L -ac_header_dirent=no -for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do - as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh` -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5 -$as_echo_n "checking for $ac_hdr that defines DIR... 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" >&6; } -if test "${ac_cv_search_opendir+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_func_search_save_LIBS=$LIBS -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ + template + struct check + { + static_assert(sizeof(int) <= sizeof(T), "not big enough"); + }; -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char opendir (); -int -main () -{ -return opendir (); - ; - return 0; -} -_ACEOF -for ac_lib in '' dir; do - if test -z "$ac_lib"; then - ac_res="none required" - else - ac_res=-l$ac_lib - LIBS="-l$ac_lib $ac_func_search_save_LIBS" - fi - if ac_fn_c_try_link "$LINENO"; then : - ac_cv_search_opendir=$ac_res -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext - if test "${ac_cv_search_opendir+set}" = set; then : - break -fi -done -if test "${ac_cv_search_opendir+set}" = set; then : + } -else - ac_cv_search_opendir=no -fi -rm conftest.$ac_ext -LIBS=$ac_func_search_save_LIBS -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5 -$as_echo "$ac_cv_search_opendir" >&6; } -ac_res=$ac_cv_search_opendir -if test "$ac_res" != no; then : - test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + namespace test_final_override + { -fi + struct Base + { + virtual void f() {} + }; -else - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5 -$as_echo_n "checking for library containing opendir... " >&6; } -if test "${ac_cv_search_opendir+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_func_search_save_LIBS=$LIBS -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ + struct Derived : public Base + { + virtual void f() override {} + }; -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char opendir (); -int -main () -{ -return opendir (); - ; - return 0; -} -_ACEOF -for ac_lib in '' x; do - if test -z "$ac_lib"; then - ac_res="none required" - else - ac_res=-l$ac_lib - LIBS="-l$ac_lib $ac_func_search_save_LIBS" - fi - if ac_fn_c_try_link "$LINENO"; then : - ac_cv_search_opendir=$ac_res -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext - if test "${ac_cv_search_opendir+set}" = set; then : - break -fi -done -if test "${ac_cv_search_opendir+set}" = set; then : + } -else - ac_cv_search_opendir=no -fi -rm conftest.$ac_ext -LIBS=$ac_func_search_save_LIBS -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5 -$as_echo "$ac_cv_search_opendir" >&6; } -ac_res=$ac_cv_search_opendir -if test "$ac_res" != no; then : - test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + namespace test_double_right_angle_brackets + { -fi + template < typename T > + struct check {}; -fi + typedef check single_type; + typedef check> double_type; + typedef check>> triple_type; + typedef check>>> quadruple_type; + } -# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works -# for constant arguments. Useless! -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5 -$as_echo_n "checking for working alloca.h... " >&6; } -if test "${ac_cv_working_alloca_h+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include -int -main () -{ -char *p = (char *) alloca (2 * sizeof (int)); - if (p) return 0; - ; - return 0; -} -_ACEOF -if ac_fn_c_try_link "$LINENO"; then : - ac_cv_working_alloca_h=yes -else - ac_cv_working_alloca_h=no -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5 -$as_echo "$ac_cv_working_alloca_h" >&6; } -if test $ac_cv_working_alloca_h = yes; then + namespace test_decltype + { -$as_echo "#define HAVE_ALLOCA_H 1" >>confdefs.h + int + f() + { + int a = 1; + decltype(a) b = 2; + return a + b; + } -fi + } -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5 -$as_echo_n "checking for alloca... " >&6; } -if test "${ac_cv_func_alloca_works+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#ifdef __GNUC__ -# define alloca __builtin_alloca -#else -# ifdef _MSC_VER -# include -# define alloca _alloca -# else -# ifdef HAVE_ALLOCA_H -# include -# else -# ifdef _AIX - #pragma alloca -# else -# ifndef alloca /* predefined by HP cc +Olibcalls */ -char *alloca (); -# endif -# endif -# endif -# endif -#endif + namespace test_type_deduction + { -int -main () -{ -char *p = (char *) alloca (1); - if (p) return 0; - ; - return 0; -} -_ACEOF -if ac_fn_c_try_link "$LINENO"; then : - ac_cv_func_alloca_works=yes -else - ac_cv_func_alloca_works=no -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5 -$as_echo "$ac_cv_func_alloca_works" >&6; } + template < typename T1, typename T2 > + struct is_same + { + static const bool value = false; + }; -if test $ac_cv_func_alloca_works = yes; then + template < typename T > + struct is_same + { + static const bool value = true; + }; -$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h + template < typename T1, typename T2 > + auto + add(T1 a1, T2 a2) -> decltype(a1 + a2) + { + return a1 + a2; + } -else - # The SVR3 libPW and SVR4 libucb both contain incompatible functions -# that cause trouble. Some versions do not even contain alloca or -# contain a buggy version. If you still want to use their alloca, -# use ar to extract alloca.o from them instead of compiling alloca.c. + int + test(const int c, volatile int v) + { + static_assert(is_same::value == true, ""); + static_assert(is_same::value == false, ""); + static_assert(is_same::value == false, ""); + auto ac = c; + auto av = v; + auto sumi = ac + av + 'x'; + auto sumf = ac + av + 1.0; + static_assert(is_same::value == true, ""); + static_assert(is_same::value == true, ""); + static_assert(is_same::value == true, ""); + static_assert(is_same::value == false, ""); + static_assert(is_same::value == true, ""); + return (sumf > 0.0) ? sumi : add(c, v); + } -ALLOCA=\${LIBOBJDIR}alloca.$ac_objext + } -$as_echo "#define C_ALLOCA 1" >>confdefs.h + namespace test_noexcept + { + int f() { return 0; } + int g() noexcept { return 0; } -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5 -$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; } -if test "${ac_cv_os_cray+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#if defined CRAY && ! defined CRAY2 -webecray -#else -wenotbecray -#endif + static_assert(noexcept(f()) == false, ""); + static_assert(noexcept(g()) == true, ""); -_ACEOF -if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | - $EGREP "webecray" >/dev/null 2>&1; then : - ac_cv_os_cray=yes -else - ac_cv_os_cray=no -fi -rm -f conftest* + } -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5 -$as_echo "$ac_cv_os_cray" >&6; } -if test $ac_cv_os_cray = yes; then - for ac_func in _getb67 GETB67 getb67; do - as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` -ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" -eval as_val=\$$as_ac_var - if test "x$as_val" = x""yes; then : + namespace test_constexpr + { -cat >>confdefs.h <<_ACEOF -#define CRAY_STACKSEG_END $ac_func -_ACEOF + template < typename CharT > + unsigned long constexpr + strlen_c_r(const CharT *const s, const unsigned long acc) noexcept + { + return *s ? strlen_c_r(s + 1, acc + 1) : acc; + } - break -fi + template < typename CharT > + unsigned long constexpr + strlen_c(const CharT *const s) noexcept + { + return strlen_c_r(s, 0UL); + } - done -fi + static_assert(strlen_c("") == 0UL, ""); + static_assert(strlen_c("1") == 1UL, ""); + static_assert(strlen_c("example") == 7UL, ""); + static_assert(strlen_c("another\0example") == 7UL, ""); -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5 -$as_echo_n "checking stack direction for C alloca... " >&6; } -if test "${ac_cv_c_stack_direction+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - ac_cv_c_stack_direction=0 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -$ac_includes_default -int -find_stack_direction () -{ - static char *addr = 0; - auto char dummy; - if (addr == 0) + } + + namespace test_rvalue_references + { + + template < int N > + struct answer { - addr = &dummy; - return find_stack_direction (); + static constexpr int value = N; + }; + + answer<1> f(int&) { return answer<1>(); } + answer<2> f(const int&) { return answer<2>(); } + answer<3> f(int&&) { return answer<3>(); } + + void + test() + { + int i = 0; + const int c = 0; + static_assert(decltype(f(i))::value == 1, ""); + static_assert(decltype(f(c))::value == 2, ""); + static_assert(decltype(f(0))::value == 3, ""); } - else - return (&dummy > addr) ? 1 : -1; -} -int -main () -{ - return find_stack_direction () < 0; -} + } + + namespace test_uniform_initialization + { + + struct test + { + static const int zero {}; + static const int one {1}; + }; + + static_assert(test::zero == 0, ""); + static_assert(test::one == 1, ""); + + } + + namespace test_lambdas + { + + void + test1() + { + auto lambda1 = [](){}; + auto lambda2 = lambda1; + lambda1(); + lambda2(); + } + + int + test2() + { + auto a = [](int i, int j){ return i + j; }(1, 2); + auto b = []() -> int { return '0'; }(); + auto c = [=](){ return a + b; }(); + auto d = [&](){ return c; }(); + auto e = [a, &b](int x) mutable { + const auto identity = [](int y){ return y; }; + for (auto i = 0; i < a; ++i) + a += b--; + return x + identity(a + b); + }(0); + return a + b + c + d + e; + } + + int + test3() + { + const auto nullary = [](){ return 0; }; + const auto unary = [](int x){ return x; }; + using nullary_t = decltype(nullary); + using unary_t = decltype(unary); + const auto higher1st = [](nullary_t f){ return f(); }; + const auto higher2nd = [unary](nullary_t f1){ + return [unary, f1](unary_t f2){ return f2(unary(f1())); }; + }; + return higher1st(nullary) + higher2nd(nullary)(unary); + } + + } + + namespace test_variadic_templates + { + + template + struct sum; + + template + struct sum + { + static constexpr auto value = N0 + sum::value; + }; + + template <> + struct sum<> + { + static constexpr auto value = 0; + }; + + static_assert(sum<>::value == 0, ""); + static_assert(sum<1>::value == 1, ""); + static_assert(sum<23>::value == 23, ""); + static_assert(sum<1, 2>::value == 3, ""); + static_assert(sum<5, 5, 11>::value == 21, ""); + static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); + + } + + // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae + // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function + // because of this. + namespace test_template_alias_sfinae + { + + struct foo {}; + + template + using member = typename T::member_type; + + template + void func(...) {} + + template + void func(member*) {} + + void test(); + + void test() { func(0); } + + } + +} // namespace cxx11 + +#endif // __cplusplus >= 201103L + + + _ACEOF -if ac_fn_c_try_run "$LINENO"; then : - ac_cv_c_stack_direction=1 +if ac_fn_cxx_try_compile "$LINENO"; then : + ax_cv_cxx_compile_cxx11=yes else - ac_cv_c_stack_direction=-1 + ax_cv_cxx_compile_cxx11=no fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_compile_cxx11" >&5 +$as_echo "$ax_cv_cxx_compile_cxx11" >&6; } + if test x$ax_cv_cxx_compile_cxx11 = xyes; then + ac_success=yes + fi -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5 -$as_echo "$ac_cv_c_stack_direction" >&6; } -cat >>confdefs.h <<_ACEOF -#define STACK_DIRECTION $ac_cv_c_stack_direction -_ACEOF + if test x$ac_success = xno; then + for switch in -std=gnu++11 -std=gnu++0x; do + cachevar=`$as_echo "ax_cv_cxx_compile_cxx11_$switch" | $as_tr_sh` + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features with $switch" >&5 +$as_echo_n "checking whether $CXX supports C++11 features with $switch... " >&6; } +if { as_var=$cachevar; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + ac_save_CXX="$CXX" + CXX="$CXX $switch" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ -fi +// If the compiler admits that it is not ready for C++11, why torture it? +// Hopefully, this will speed up the test. +#ifndef __cplusplus -# Dependency checking. -rm -rf .tst 2>/dev/null -mkdir .tst 2>/dev/null -if test -d .tst; then - am__leading_dot=. -else - am__leading_dot=_ -fi -rmdir .tst 2>/dev/null +#error "This is not a C++ compiler" -DEPDIR="${am__leading_dot}deps" +#elif __cplusplus < 201103L -ac_config_commands="$ac_config_commands depdir" +#error "This is not a C++11 compiler" +#else -depcc="$CC" am_compiler_list= +namespace cxx11 +{ -am_depcomp=$ac_aux_dir/depcomp -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 -$as_echo_n "checking dependency style of $depcc... " >&6; } -if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test -f "$am_depcomp"; then - # We make a subdir and do the tests there. Otherwise we can end up - # making bogus files that we don't know about and never remove. For - # instance it was reported that on HP-UX the gcc test will end up - # making a dummy file named `D' -- because `-MD' means `put the output - # in D'. - mkdir conftest.dir - # Copy depcomp to subdir because otherwise we won't find it if we're - # using a relative directory. - cp "$am_depcomp" conftest.dir - cd conftest.dir - # We will build objects and dependencies in a subdirectory because - # it helps to detect inapplicable dependency modes. For instance - # both Tru64's cc and ICC support -MD to output dependencies as a - # side effect of compilation, but ICC will put the dependencies in - # the current directory while Tru64 will put them in the object - # directory. - mkdir sub + namespace test_static_assert + { - am_cv_CC_dependencies_compiler_type=none - if test "$am_compiler_list" = ""; then - am_compiler_list=`sed -n 's/^\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` - fi - for depmode in $am_compiler_list; do - if test $depmode = none; then break; fi + template + struct check + { + static_assert(sizeof(int) <= sizeof(T), "not big enough"); + }; - $as_echo "$as_me:$LINENO: trying $depmode" >&5 - # Setup a source with many dependencies, because some compilers - # like to wrap large dependency lists on column 80 (with \), and - # we should not choose a depcomp mode which is confused by this. - # - # We need to recreate these files for each test, as the compiler may - # overwrite some of them when testing with obscure command lines. - # This happens at least with the AIX C compiler. - : > sub/conftest.c - for i in 1 2 3 4 5 6; do - echo '#include "conftst'$i'.h"' >> sub/conftest.c - # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with - # Solaris 8's {/usr,}/bin/sh. - touch sub/conftst$i.h - done - echo "include sub/conftest.Po" > confmf + } - # We check with `-c' and `-o' for the sake of the "dashmstdout" - # mode. It turns out that the SunPro C++ compiler does not properly - # handle `-M -o', and we need to detect this. - depcmd="depmode=$depmode \ - source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ - depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ - $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c" - echo "| $depcmd" | sed -e 's/ */ /g' >&5 - if env $depcmd > conftest.err 2>&1 && - grep sub/conftst6.h sub/conftest.Po >>conftest.err 2>&1 && - grep sub/conftest.${OBJEXT-o} sub/conftest.Po >>conftest.err 2>&1 && - ${MAKE-make} -s -f confmf >>conftest.err 2>&1; then - # icc doesn't choke on unknown options, it will just issue warnings - # or remarks (even with -Werror). So we grep stderr for any message - # that says an option was ignored or not supported. - # When given -MP, icc 7.0 and 7.1 complain thusly: - # icc: Command line warning: ignoring option '-M'; no argument required - # The diagnosis changed in icc 8.0: - # icc: Command line remark: option '-MP' not supported - if (grep 'ignoring option' conftest.err || - grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else - am_cv_CC_dependencies_compiler_type=$depmode - $as_echo "$as_me:$LINENO: success" >&5 + namespace test_final_override + { + + struct Base + { + virtual void f() {} + }; + + struct Derived : public Base + { + virtual void f() override {} + }; + + } + + namespace test_double_right_angle_brackets + { + + template < typename T > + struct check {}; + + typedef check single_type; + typedef check> double_type; + typedef check>> triple_type; + typedef check>>> quadruple_type; + + } + + namespace test_decltype + { + + int + f() + { + int a = 1; + decltype(a) b = 2; + return a + b; + } + + } + + namespace test_type_deduction + { + + template < typename T1, typename T2 > + struct is_same + { + static const bool value = false; + }; + + template < typename T > + struct is_same + { + static const bool value = true; + }; + + template < typename T1, typename T2 > + auto + add(T1 a1, T2 a2) -> decltype(a1 + a2) + { + return a1 + a2; + } + + int + test(const int c, volatile int v) + { + static_assert(is_same::value == true, ""); + static_assert(is_same::value == false, ""); + static_assert(is_same::value == false, ""); + auto ac = c; + auto av = v; + auto sumi = ac + av + 'x'; + auto sumf = ac + av + 1.0; + static_assert(is_same::value == true, ""); + static_assert(is_same::value == true, ""); + static_assert(is_same::value == true, ""); + static_assert(is_same::value == false, ""); + static_assert(is_same::value == true, ""); + return (sumf > 0.0) ? sumi : add(c, v); + } + + } + + namespace test_noexcept + { + + int f() { return 0; } + int g() noexcept { return 0; } + + static_assert(noexcept(f()) == false, ""); + static_assert(noexcept(g()) == true, ""); + + } + + namespace test_constexpr + { + + template < typename CharT > + unsigned long constexpr + strlen_c_r(const CharT *const s, const unsigned long acc) noexcept + { + return *s ? strlen_c_r(s + 1, acc + 1) : acc; + } + + template < typename CharT > + unsigned long constexpr + strlen_c(const CharT *const s) noexcept + { + return strlen_c_r(s, 0UL); + } + + static_assert(strlen_c("") == 0UL, ""); + static_assert(strlen_c("1") == 1UL, ""); + static_assert(strlen_c("example") == 7UL, ""); + static_assert(strlen_c("another\0example") == 7UL, ""); + + } + + namespace test_rvalue_references + { + + template < int N > + struct answer + { + static constexpr int value = N; + }; + + answer<1> f(int&) { return answer<1>(); } + answer<2> f(const int&) { return answer<2>(); } + answer<3> f(int&&) { return answer<3>(); } + + void + test() + { + int i = 0; + const int c = 0; + static_assert(decltype(f(i))::value == 1, ""); + static_assert(decltype(f(c))::value == 2, ""); + static_assert(decltype(f(0))::value == 3, ""); + } + + } + + namespace test_uniform_initialization + { + + struct test + { + static const int zero {}; + static const int one {1}; + }; + + static_assert(test::zero == 0, ""); + static_assert(test::one == 1, ""); + + } + + namespace test_lambdas + { + + void + test1() + { + auto lambda1 = [](){}; + auto lambda2 = lambda1; + lambda1(); + lambda2(); + } + + int + test2() + { + auto a = [](int i, int j){ return i + j; }(1, 2); + auto b = []() -> int { return '0'; }(); + auto c = [=](){ return a + b; }(); + auto d = [&](){ return c; }(); + auto e = [a, &b](int x) mutable { + const auto identity = [](int y){ return y; }; + for (auto i = 0; i < a; ++i) + a += b--; + return x + identity(a + b); + }(0); + return a + b + c + d + e; + } + + int + test3() + { + const auto nullary = [](){ return 0; }; + const auto unary = [](int x){ return x; }; + using nullary_t = decltype(nullary); + using unary_t = decltype(unary); + const auto higher1st = [](nullary_t f){ return f(); }; + const auto higher2nd = [unary](nullary_t f1){ + return [unary, f1](unary_t f2){ return f2(unary(f1())); }; + }; + return higher1st(nullary) + higher2nd(nullary)(unary); + } + + } + + namespace test_variadic_templates + { + + template + struct sum; + + template + struct sum + { + static constexpr auto value = N0 + sum::value; + }; + + template <> + struct sum<> + { + static constexpr auto value = 0; + }; + + static_assert(sum<>::value == 0, ""); + static_assert(sum<1>::value == 1, ""); + static_assert(sum<23>::value == 23, ""); + static_assert(sum<1, 2>::value == 3, ""); + static_assert(sum<5, 5, 11>::value == 21, ""); + static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); + + } + + // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae + // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function + // because of this. + namespace test_template_alias_sfinae + { + + struct foo {}; + + template + using member = typename T::member_type; + + template + void func(...) {} + + template + void func(member*) {} + + void test(); + + void test() { func(0); } + + } + +} // namespace cxx11 + +#endif // __cplusplus >= 201103L + + + +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + eval $cachevar=yes +else + eval $cachevar=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CXX="$ac_save_CXX" +fi +eval ac_res=\$$cachevar + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + if eval test x\$$cachevar = xyes; then + CXX_DIALECT="$switch" + ac_success=yes break fi - fi - $as_echo "$as_me:$LINENO: failure, diagnostics are:" >&5 - sed -e 's/^/| /' < conftest.err >&5 - done + done + fi + + if test x$ac_success = xno; then + for switch in -std=c++11 -std=c++0x +std=c++11 "-h std=c++11"; do + cachevar=`$as_echo "ax_cv_cxx_compile_cxx11_$switch" | $as_tr_sh` + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features with $switch" >&5 +$as_echo_n "checking whether $CXX supports C++11 features with $switch... " >&6; } +if { as_var=$cachevar; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + ac_save_CXX="$CXX" + CXX="$CXX $switch" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +// If the compiler admits that it is not ready for C++11, why torture it? +// Hopefully, this will speed up the test. + +#ifndef __cplusplus + +#error "This is not a C++ compiler" + +#elif __cplusplus < 201103L + +#error "This is not a C++11 compiler" + +#else + +namespace cxx11 +{ + + namespace test_static_assert + { + + template + struct check + { + static_assert(sizeof(int) <= sizeof(T), "not big enough"); + }; + + } + + namespace test_final_override + { + + struct Base + { + virtual void f() {} + }; + + struct Derived : public Base + { + virtual void f() override {} + }; + + } + + namespace test_double_right_angle_brackets + { + + template < typename T > + struct check {}; + + typedef check single_type; + typedef check> double_type; + typedef check>> triple_type; + typedef check>>> quadruple_type; + + } + + namespace test_decltype + { + + int + f() + { + int a = 1; + decltype(a) b = 2; + return a + b; + } + + } + + namespace test_type_deduction + { + + template < typename T1, typename T2 > + struct is_same + { + static const bool value = false; + }; + + template < typename T > + struct is_same + { + static const bool value = true; + }; + + template < typename T1, typename T2 > + auto + add(T1 a1, T2 a2) -> decltype(a1 + a2) + { + return a1 + a2; + } + + int + test(const int c, volatile int v) + { + static_assert(is_same::value == true, ""); + static_assert(is_same::value == false, ""); + static_assert(is_same::value == false, ""); + auto ac = c; + auto av = v; + auto sumi = ac + av + 'x'; + auto sumf = ac + av + 1.0; + static_assert(is_same::value == true, ""); + static_assert(is_same::value == true, ""); + static_assert(is_same::value == true, ""); + static_assert(is_same::value == false, ""); + static_assert(is_same::value == true, ""); + return (sumf > 0.0) ? sumi : add(c, v); + } + + } + + namespace test_noexcept + { + + int f() { return 0; } + int g() noexcept { return 0; } + + static_assert(noexcept(f()) == false, ""); + static_assert(noexcept(g()) == true, ""); + + } + + namespace test_constexpr + { + + template < typename CharT > + unsigned long constexpr + strlen_c_r(const CharT *const s, const unsigned long acc) noexcept + { + return *s ? strlen_c_r(s + 1, acc + 1) : acc; + } + + template < typename CharT > + unsigned long constexpr + strlen_c(const CharT *const s) noexcept + { + return strlen_c_r(s, 0UL); + } + + static_assert(strlen_c("") == 0UL, ""); + static_assert(strlen_c("1") == 1UL, ""); + static_assert(strlen_c("example") == 7UL, ""); + static_assert(strlen_c("another\0example") == 7UL, ""); + + } + + namespace test_rvalue_references + { + + template < int N > + struct answer + { + static constexpr int value = N; + }; + + answer<1> f(int&) { return answer<1>(); } + answer<2> f(const int&) { return answer<2>(); } + answer<3> f(int&&) { return answer<3>(); } + + void + test() + { + int i = 0; + const int c = 0; + static_assert(decltype(f(i))::value == 1, ""); + static_assert(decltype(f(c))::value == 2, ""); + static_assert(decltype(f(0))::value == 3, ""); + } + + } + + namespace test_uniform_initialization + { + + struct test + { + static const int zero {}; + static const int one {1}; + }; + + static_assert(test::zero == 0, ""); + static_assert(test::one == 1, ""); + + } + + namespace test_lambdas + { + + void + test1() + { + auto lambda1 = [](){}; + auto lambda2 = lambda1; + lambda1(); + lambda2(); + } + + int + test2() + { + auto a = [](int i, int j){ return i + j; }(1, 2); + auto b = []() -> int { return '0'; }(); + auto c = [=](){ return a + b; }(); + auto d = [&](){ return c; }(); + auto e = [a, &b](int x) mutable { + const auto identity = [](int y){ return y; }; + for (auto i = 0; i < a; ++i) + a += b--; + return x + identity(a + b); + }(0); + return a + b + c + d + e; + } + + int + test3() + { + const auto nullary = [](){ return 0; }; + const auto unary = [](int x){ return x; }; + using nullary_t = decltype(nullary); + using unary_t = decltype(unary); + const auto higher1st = [](nullary_t f){ return f(); }; + const auto higher2nd = [unary](nullary_t f1){ + return [unary, f1](unary_t f2){ return f2(unary(f1())); }; + }; + return higher1st(nullary) + higher2nd(nullary)(unary); + } + + } + + namespace test_variadic_templates + { + + template + struct sum; + + template + struct sum + { + static constexpr auto value = N0 + sum::value; + }; + + template <> + struct sum<> + { + static constexpr auto value = 0; + }; + + static_assert(sum<>::value == 0, ""); + static_assert(sum<1>::value == 1, ""); + static_assert(sum<23>::value == 23, ""); + static_assert(sum<1, 2>::value == 3, ""); + static_assert(sum<5, 5, 11>::value == 21, ""); + static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); + + } + + // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae + // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function + // because of this. + namespace test_template_alias_sfinae + { + + struct foo {}; + + template + using member = typename T::member_type; + + template + void func(...) {} + + template + void func(member*) {} + + void test(); + + void test() { func(0); } + + } + +} // namespace cxx11 + +#endif // __cplusplus >= 201103L + + + +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + eval $cachevar=yes +else + eval $cachevar=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CXX="$ac_save_CXX" +fi +eval ac_res=\$$cachevar + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + if eval test x\$$cachevar = xyes; then + CXX_DIALECT="$switch" + ac_success=yes + break + fi + done + fi + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + if test x$ax_cxx_compile_cxx11_required = xtrue; then + if test x$ac_success = xno; then + as_fn_error "*** A compiler with support for C++11 language features is required." "$LINENO" 5 + fi + fi + if test x$ac_success = xno; then + HAVE_CXX11=0 + { $as_echo "$as_me:${as_lineno-$LINENO}: No compiler with C++11 support was found" >&5 +$as_echo "$as_me: No compiler with C++11 support was found" >&6;} + else + HAVE_CXX11=1 + +$as_echo "#define HAVE_CXX11 1" >>confdefs.h + + fi + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... 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as_fn_mkdir_p + + case $srcdir in + [\\/]* | ?:[\\/]* ) + ac_srcdir=$srcdir/$in_src ;; + *) # Relative name. + ac_srcdir=../$srcdir/$in_src ;; + esac + + cd "$ac_dir" + + ac_sub_configure=$ac_srcdir/configure + + # Make the cache file name correct relative to the subdirectory. + case $cache_file in + [\\/]* | ?:[\\/]* ) ac_sub_cache_file=$cache_file ;; + *) # Relative name. + ac_sub_cache_file=$ac_top_build_prefix$cache_file ;; + esac + + if test -n "$in_extra_args"; then + # Add the extra args at the end. + ac_sub_configure_args="$ac_sub_configure_args $in_extra_args" + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&5 +$as_echo "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&6;} + # The eval makes quoting arguments work. + eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \ + --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" || + as_fn_error "$ac_sub_configure failed for $ac_dir" "$LINENO" 5 + + cd "$ac_popdir" + + + + in_src="../../libiberty" + in_build="build-libiberty-gdbserver" + in_extra_args= + + # Remove --cache-file, --srcdir, and --disable-option-checking arguments + # so they do not pile up. + ac_sub_configure_args= + ac_prev= + eval "set x $ac_configure_args" + shift + for ac_arg + do + if test -n "$ac_prev"; then + ac_prev= + continue + fi + case $ac_arg in + -cache-file | --cache-file | --cache-fil | --cache-fi \ + | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c) + ac_prev=cache_file ;; + -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \ + | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \ + | --c=*) + ;; + --config-cache | -C) + ;; + -srcdir | --srcdir | --srcdi | --srcd | --src | --sr) + ac_prev=srcdir ;; + -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*) + ;; + -prefix | --prefix | --prefi | --pref | --pre | --pr | --p) + ac_prev=prefix ;; + -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*) + ;; + --disable-option-checking) + ;; + *) + case $ac_arg in + *\'*) ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append ac_sub_configure_args " '$ac_arg'" ;; + esac + done + + # Always prepend --prefix to ensure using the same prefix + # in subdir configurations. + ac_arg="--prefix=$prefix" + case $ac_arg in + *\'*) ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + ac_sub_configure_args="'$ac_arg' $ac_sub_configure_args" + + # Pass --silent + if test "$silent" = yes; then + ac_sub_configure_args="--silent $ac_sub_configure_args" + fi + + # Always prepend --disable-option-checking to silence warnings, since + # different subdirs can have different --enable and --with options. + ac_sub_configure_args="--disable-option-checking $ac_sub_configure_args" + + ac_popdir=`pwd` + ac_dir=$in_build + + ac_msg="=== configuring in $ac_dir (`pwd`/$ac_dir)" + $as_echo "$as_me:${as_lineno-$LINENO}: $ac_msg" >&5 + $as_echo "$ac_msg" >&6 + as_dir="$ac_dir"; as_fn_mkdir_p + + case $srcdir in + [\\/]* | ?:[\\/]* ) + ac_srcdir=$srcdir/$in_src ;; + *) # Relative name. + ac_srcdir=../$srcdir/$in_src ;; + esac + + cd "$ac_dir" + + ac_sub_configure=$ac_srcdir/configure + + # Make the cache file name correct relative to the subdirectory. + case $cache_file in + [\\/]* | ?:[\\/]* ) ac_sub_cache_file=$cache_file ;; + *) # Relative name. + ac_sub_cache_file=$ac_top_build_prefix$cache_file ;; + esac + + if test -n "$in_extra_args"; then + # Add the extra args at the end. + ac_sub_configure_args="$ac_sub_configure_args $in_extra_args" + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&5 +$as_echo "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&6;} + # The eval makes quoting arguments work. + eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \ + --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" || + as_fn_error "$ac_sub_configure failed for $ac_dir" "$LINENO" 5 + + cd "$ac_popdir" + + +for ac_header in sgtty.h termio.h termios.h sys/reg.h string.h proc_service.h sys/procfs.h linux/elf.h fcntl.h signal.h sys/file.h sys/ioctl.h netinet/in.h sys/socket.h netdb.h netinet/tcp.h arpa/inet.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +eval as_val=\$$as_ac_Header + if test "x$as_val" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default" +if test "x$ac_cv_type_pid_t" = x""yes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define pid_t int +_ACEOF + +fi + +for ac_header in vfork.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "vfork.h" "ac_cv_header_vfork_h" "$ac_includes_default" +if test "x$ac_cv_header_vfork_h" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_VFORK_H 1 +_ACEOF + +fi + +done + +for ac_func in fork vfork +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +eval as_val=\$$as_ac_var + if test "x$as_val" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +if test "x$ac_cv_func_fork" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5 +$as_echo_n "checking for working fork... " >&6; } +if test "${ac_cv_func_fork_works+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_fork_works=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* By Ruediger Kuhlmann. */ + return fork () < 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_fork_works=yes +else + ac_cv_func_fork_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5 +$as_echo "$ac_cv_func_fork_works" >&6; } + +else + ac_cv_func_fork_works=$ac_cv_func_fork +fi +if test "x$ac_cv_func_fork_works" = xcross; then + case $host in + *-*-amigaos* | *-*-msdosdjgpp*) + # Override, as these systems have only a dummy fork() stub + ac_cv_func_fork_works=no + ;; + *) + ac_cv_func_fork_works=yes + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5 +$as_echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;} +fi +ac_cv_func_vfork_works=$ac_cv_func_vfork +if test "x$ac_cv_func_vfork" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5 +$as_echo_n "checking for working vfork... " >&6; } +if test "${ac_cv_func_vfork_works+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_vfork_works=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Thanks to Paul Eggert for this test. */ +$ac_includes_default +#include +#ifdef HAVE_VFORK_H +# include +#endif +/* On some sparc systems, changes by the child to local and incoming + argument registers are propagated back to the parent. The compiler + is told about this with #include , but some compilers + (e.g. gcc -O) don't grok . Test for this by using a + static variable whose address is put into a register that is + clobbered by the vfork. */ +static void +#ifdef __cplusplus +sparc_address_test (int arg) +# else +sparc_address_test (arg) int arg; +#endif +{ + static pid_t child; + if (!child) { + child = vfork (); + if (child < 0) { + perror ("vfork"); + _exit(2); + } + if (!child) { + arg = getpid(); + write(-1, "", 0); + _exit (arg); + } + } +} + +int +main () +{ + pid_t parent = getpid (); + pid_t child; + + sparc_address_test (0); + + child = vfork (); + + if (child == 0) { + /* Here is another test for sparc vfork register problems. This + test uses lots of local variables, at least as many local + variables as main has allocated so far including compiler + temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris + 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should + reuse the register of parent for one of the local variables, + since it will think that parent can't possibly be used any more + in this routine. Assigning to the local variable will thus + munge parent in the parent process. */ + pid_t + p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(), + p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid(); + /* Convince the compiler that p..p7 are live; otherwise, it might + use the same hardware register for all 8 local variables. */ + if (p != p1 || p != p2 || p != p3 || p != p4 + || p != p5 || p != p6 || p != p7) + _exit(1); + + /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent + from child file descriptors. If the child closes a descriptor + before it execs or exits, this munges the parent's descriptor + as well. Test for this by closing stdout in the child. */ + _exit(close(fileno(stdout)) != 0); + } else { + int status; + struct stat st; + + while (wait(&status) != child) + ; + return ( + /* Was there some problem with vforking? */ + child < 0 + + /* Did the child fail? (This shouldn't happen.) */ + || status + + /* Did the vfork/compiler bug occur? */ + || parent != getpid() + + /* Did the file descriptor bug occur? */ + || fstat(fileno(stdout), &st) != 0 + ); + } +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_vfork_works=yes +else + ac_cv_func_vfork_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5 +$as_echo "$ac_cv_func_vfork_works" >&6; } + +fi; +if test "x$ac_cv_func_fork_works" = xcross; then + ac_cv_func_vfork_works=$ac_cv_func_vfork + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5 +$as_echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;} +fi + +if test "x$ac_cv_func_vfork_works" = xyes; then + +$as_echo "#define HAVE_WORKING_VFORK 1" >>confdefs.h + +else + +$as_echo "#define vfork fork" >>confdefs.h + +fi +if test "x$ac_cv_func_fork_works" = xyes; then + +$as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h + +fi + +for ac_func in getauxval pread pwrite pread64 setns +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +eval as_val=\$$as_ac_var + if test "x$as_val" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if test "${ac_cv_header_stdc+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : - cd .. - rm -rf conftest.dir else - am_cv_CC_dependencies_compiler_type=none + ac_cv_header_stdc=no fi - +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 -$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } -if test x${am_cv_CC_dependencies_compiler_type-none} = xnone -then as_fn_error "no usable dependency style found" "$LINENO" 5 -else CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then +$as_echo "#define STDC_HEADERS 1" >>confdefs.h -# Check for the 'make' the user wants to use. -for ac_prog in make -do - # Extract the first word of "$ac_prog", so it can be a program name with args. -set dummy $ac_prog; ac_word=$2 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... 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" >&6; } +if test "${ac_cv_func_alloca_works+set}" = set; then : + $as_echo_n "(cached) " >&6 else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __GNUC__ +# define alloca __builtin_alloca +#else +# ifdef _MSC_VER +# include +# define alloca _alloca +# else +# ifdef HAVE_ALLOCA_H +# include +# else +# ifdef _AIX + #pragma alloca +# else +# ifndef alloca /* predefined by HP cc +Olibcalls */ +char *alloca (); +# endif +# endif +# endif +# endif +#endif + +int +main () +{ +char *p = (char *) alloca (1); + if (p) return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_func_alloca_works=yes +else + ac_cv_func_alloca_works=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5 +$as_echo "$ac_cv_func_alloca_works" >&6; } +if test $ac_cv_func_alloca_works = yes; then - test -n "$MAKE" && break -done +$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h -MAKE_IS_GNU= -case "`$MAKE --version 2>&1 | sed 1q`" in - *GNU*) - MAKE_IS_GNU=yes - ;; -esac - if test "$MAKE_IS_GNU" = yes; then - GMAKE_TRUE= - GMAKE_FALSE='#' else - GMAKE_TRUE='#' - GMAKE_FALSE= -fi + # The SVR3 libPW and SVR4 libucb both contain incompatible functions +# that cause trouble. Some versions do not even contain alloca or +# contain a buggy version. If you still want to use their alloca, +# use ar to extract alloca.o from them instead of compiling alloca.c. + +ALLOCA=\${LIBOBJDIR}alloca.$ac_objext -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 -$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } -set x ${MAKE-make} -ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` -if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then : +$as_echo "#define C_ALLOCA 1" >>confdefs.h + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5 +$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; } +if test "${ac_cv_os_cray+set}" = set; then : $as_echo_n "(cached) " >&6 else - cat >conftest.make <<\_ACEOF -SHELL = /bin/sh -all: - @echo '@@@%%%=$(MAKE)=@@@%%%' + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#if defined CRAY && ! defined CRAY2 +webecray +#else +wenotbecray +#endif + _ACEOF -# GNU make sometimes prints "make[1]: Entering...", which would confuse us. -case `${MAKE-make} -f conftest.make 2>/dev/null` in - *@@@%%%=?*=@@@%%%*) - eval ac_cv_prog_make_${ac_make}_set=yes;; - *) - eval ac_cv_prog_make_${ac_make}_set=no;; -esac -rm -f conftest.make -fi -if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 -$as_echo "yes" >&6; } - SET_MAKE= +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "webecray" >/dev/null 2>&1; then : + ac_cv_os_cray=yes else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } - SET_MAKE="MAKE=${MAKE-make}" + ac_cv_os_cray=no fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5 +$as_echo "$ac_cv_os_cray" >&6; } +if test $ac_cv_os_cray = yes; then + for ac_func in _getb67 GETB67 getb67; do + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +eval as_val=\$$as_ac_var + if test "x$as_val" = x""yes; then : -# Configure gnulib. We can't use AC_CONFIG_SUBDIRS as that'd expect -# to find the the source subdir to be configured directly under -# gdbserver/. We need to build gnulib under some other directory not -# "gnulib", to avoid the problem of both GDB and GDBserver wanting to -# build it in the same directory, when building in the source dir. +cat >>confdefs.h <<_ACEOF +#define CRAY_STACKSEG_END $ac_func +_ACEOF - in_src="../gnulib" - in_build="build-gnulib-gdbserver" + break +fi - # Remove --cache-file, --srcdir, and --disable-option-checking arguments - # so they do not pile up. - ac_sub_configure_args= - ac_prev= - eval "set x $ac_configure_args" - shift - for ac_arg - do - if test -n "$ac_prev"; then - ac_prev= - continue - fi - case $ac_arg in - -cache-file | --cache-file | --cache-fil | --cache-fi \ - | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c) - ac_prev=cache_file ;; - -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \ - | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \ - | --c=*) - ;; - --config-cache | -C) - ;; - -srcdir | --srcdir | --srcdi | --srcd | --src | --sr) - ac_prev=srcdir ;; - -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*) - ;; - -prefix | --prefix | --prefi | --pref | --pre | --pr | --p) - ac_prev=prefix ;; - -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*) - ;; - --disable-option-checking) - ;; - *) - case $ac_arg in - *\'*) ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; - esac - as_fn_append ac_sub_configure_args " '$ac_arg'" ;; - esac done +fi - # Always prepend --prefix to ensure using the same prefix - # in subdir configurations. - ac_arg="--prefix=$prefix" - case $ac_arg in - *\'*) ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; - esac - ac_sub_configure_args="'$ac_arg' $ac_sub_configure_args" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5 +$as_echo_n "checking stack direction for C alloca... " >&6; } +if test "${ac_cv_c_stack_direction+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_c_stack_direction=0 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +find_stack_direction () +{ + static char *addr = 0; + auto char dummy; + if (addr == 0) + { + addr = &dummy; + return find_stack_direction (); + } + else + return (&dummy > addr) ? 1 : -1; +} - # Pass --silent - if test "$silent" = yes; then - ac_sub_configure_args="--silent $ac_sub_configure_args" - fi +int +main () +{ + return find_stack_direction () < 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_c_stack_direction=1 +else + ac_cv_c_stack_direction=-1 +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi - # Always prepend --disable-option-checking to silence warnings, since - # different subdirs can have different --enable and --with options. - ac_sub_configure_args="--disable-option-checking $ac_sub_configure_args" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5 +$as_echo "$ac_cv_c_stack_direction" >&6; } +cat >>confdefs.h <<_ACEOF +#define STACK_DIRECTION $ac_cv_c_stack_direction +_ACEOF - ac_popdir=`pwd` - ac_dir=$in_build - ac_msg="=== configuring in $ac_dir (`pwd`/$ac_dir)" - $as_echo "$as_me:${as_lineno-$LINENO}: $ac_msg" >&5 - $as_echo "$ac_msg" >&6 - as_dir="$ac_dir"; as_fn_mkdir_p +fi - case $srcdir in - [\\/]* | ?:[\\/]* ) - ac_srcdir=$srcdir/$in_src ;; - *) # Relative name. - ac_srcdir=../$srcdir/$in_src ;; - esac - cd "$ac_dir" - ac_sub_configure=$ac_srcdir/configure + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for nl_langinfo and CODESET" >&5 +$as_echo_n "checking for nl_langinfo and CODESET... " >&6; } +if test "${am_cv_langinfo_codeset+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +char* cs = nl_langinfo(CODESET); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + am_cv_langinfo_codeset=yes +else + am_cv_langinfo_codeset=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext - # Make the cache file name correct relative to the subdirectory. - case $cache_file in - [\\/]* | ?:[\\/]* ) ac_sub_cache_file=$cache_file ;; - *) # Relative name. - ac_sub_cache_file=$ac_top_build_prefix$cache_file ;; - esac +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_langinfo_codeset" >&5 +$as_echo "$am_cv_langinfo_codeset" >&6; } + if test $am_cv_langinfo_codeset = yes; then - { $as_echo "$as_me:${as_lineno-$LINENO}: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&5 -$as_echo "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&6;} - # The eval makes quoting arguments work. - eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \ - --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" || - as_fn_error "$ac_sub_configure failed for $ac_dir" "$LINENO" 5 +$as_echo "#define HAVE_LANGINFO_CODESET 1" >>confdefs.h - cd "$ac_popdir" + fi -for ac_header in sgtty.h termio.h termios.h sys/reg.h string.h proc_service.h sys/procfs.h thread_db.h linux/elf.h stdlib.h unistd.h errno.h fcntl.h signal.h sys/file.h malloc.h sys/ioctl.h netinet/in.h sys/socket.h netdb.h netinet/tcp.h arpa/inet.h sys/wait.h wait.h sys/un.h linux/perf_event.h + for ac_header in linux/perf_event.h locale.h memory.h signal.h sys/resource.h sys/socket.h sys/syscall.h sys/un.h sys/wait.h thread_db.h wait.h termios.h termio.h sgtty.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" @@ -4797,7 +6768,8 @@ fi done -for ac_func in pread pwrite pread64 readlink fdwalk pipe2 + + for ac_func in fdwalk getrlimit pipe pipe2 socketpair sigaction do : as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" @@ -4810,26 +6782,264 @@ _ACEOF fi done -for ac_func in vasprintf vsnprintf + + ac_fn_c_check_decl "$LINENO" "strerror" "ac_cv_have_decl_strerror" "$ac_includes_default" +if test "x$ac_cv_have_decl_strerror" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRERROR $ac_have_decl +_ACEOF +ac_fn_c_check_decl "$LINENO" "strstr" "ac_cv_have_decl_strstr" "$ac_includes_default" +if test "x$ac_cv_have_decl_strstr" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRSTR $ac_have_decl +_ACEOF + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigsetjmp" >&5 +$as_echo_n "checking for sigsetjmp... " >&6; } +if test "${gdb_cv_func_sigsetjmp+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include + +int +main () +{ +sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + gdb_cv_func_sigsetjmp=yes +else + gdb_cv_func_sigsetjmp=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_func_sigsetjmp" >&5 +$as_echo "$gdb_cv_func_sigsetjmp" >&6; } +if test $gdb_cv_func_sigsetjmp = yes; then + +$as_echo "#define HAVE_SIGSETJMP 1" >>confdefs.h + +fi + + +# Check the return and argument types of ptrace. + + +for ac_header in sys/ptrace.h ptrace.h do : - as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` -ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" -eval as_val=\$$as_ac_var + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +eval as_val=\$$as_ac_Header if test "x$as_val" = x""yes; then : cat >>confdefs.h <<_ACEOF -#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +gdb_ptrace_headers=' +#include +#if HAVE_SYS_PTRACE_H +# include +#endif +#if HAVE_UNISTD_H +# include +#endif +' +# There is no point in checking if we don't have a prototype. +ac_fn_c_check_decl "$LINENO" "ptrace" "ac_cv_have_decl_ptrace" "$gdb_ptrace_headers +" +if test "x$ac_cv_have_decl_ptrace" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_PTRACE $ac_have_decl +_ACEOF +if test $ac_have_decl = 1; then : + +else + + : ${gdb_cv_func_ptrace_ret='int'} + : ${gdb_cv_func_ptrace_args='int,int,long,long'} + +fi + +# Check return type. Varargs (used on GNU/Linux) conflict with the +# empty argument list, so check for that explicitly. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of ptrace" >&5 +$as_echo_n "checking return type of ptrace... " >&6; } +if test "${gdb_cv_func_ptrace_ret+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$gdb_ptrace_headers +int +main () +{ +extern long ptrace (enum __ptrace_request, ...); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + gdb_cv_func_ptrace_ret='long' +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$gdb_ptrace_headers +int +main () +{ +extern int ptrace (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + gdb_cv_func_ptrace_ret='int' +else + gdb_cv_func_ptrace_ret='long' +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_func_ptrace_ret" >&5 +$as_echo "$gdb_cv_func_ptrace_ret" >&6; } + +cat >>confdefs.h <<_ACEOF +#define PTRACE_TYPE_RET $gdb_cv_func_ptrace_ret +_ACEOF + +# Check argument types. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking types of arguments for ptrace" >&5 +$as_echo_n "checking types of arguments for ptrace... " >&6; } +if test "${gdb_cv_func_ptrace_args+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$gdb_ptrace_headers +int +main () +{ +extern long ptrace (enum __ptrace_request, ...); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + gdb_cv_func_ptrace_args='enum __ptrace_request,int,long,long' +else + +for gdb_arg1 in 'int' 'long'; do + for gdb_arg2 in 'pid_t' 'int' 'long'; do + for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do + for gdb_arg4 in 'int' 'long' 'void *'; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$gdb_ptrace_headers +int +main () +{ + +extern $gdb_cv_func_ptrace_ret + ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4"; + break 4; +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + for gdb_arg5 in 'int *' 'int' 'long'; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$gdb_ptrace_headers +int +main () +{ + +extern $gdb_cv_func_ptrace_ret + ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5"; + break 5; +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done + done + done + done +done +# Provide a safe default value. +: ${gdb_cv_func_ptrace_args='int,int,long,long'} + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_func_ptrace_args" >&5 +$as_echo "$gdb_cv_func_ptrace_args" >&6; } +ac_save_IFS=$IFS; IFS=',' +set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'` +IFS=$ac_save_IFS +shift + +cat >>confdefs.h <<_ACEOF +#define PTRACE_TYPE_ARG1 $1 +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PTRACE_TYPE_ARG3 $3 _ACEOF -else - case " $LIBOBJS " in - *" $ac_func.$ac_objext "* ) ;; - *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext" - ;; -esac -fi -done +cat >>confdefs.h <<_ACEOF +#define PTRACE_TYPE_ARG4 $4 +_ACEOF + +if test -n "$5"; then + +cat >>confdefs.h <<_ACEOF +#define PTRACE_TYPE_ARG5 $5 +_ACEOF +fi # Check for UST @@ -4912,6 +7122,7 @@ fi + # Check whether --enable-werror was given. if test "${enable_werror+set}" = set; then : enableval=$enable_werror; case "${enableval}" in @@ -4922,8 +7133,8 @@ if test "${enable_werror+set}" = set; then : fi -# Enable -Werror by default when using gcc -if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then +# Enable -Werror by default when using gcc. Turn it off for releases. +if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" && $development; then ERROR_ON_WARNING=yes fi @@ -4932,22 +7143,86 @@ if test "${ERROR_ON_WARNING}" = yes ; then WERROR_CFLAGS="-Werror" fi -build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \ --Wformat-nonliteral -Wno-char-subscripts -Wempty-body" +# The options we'll try to enable. +build_warnings="-Wall -Wpointer-arith \ +-Wno-unused -Wunused-value -Wunused-function \ +-Wno-switch -Wno-char-subscripts \ +-Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable \ +-Wno-sign-compare -Wno-narrowing -Wno-error=maybe-uninitialized \ +-Wno-mismatched-tags" + +# Enable -Wno-format by default when using gcc on mingw since many +# GCC versions complain about %I64. +case "${host}" in + *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;; + *) build_warnings="$build_warnings -Wformat-nonliteral" ;; +esac + +# Check whether --enable-build-warnings was given. +if test "${enable_build_warnings+set}" = set; then : + enableval=$enable_build_warnings; case "${enableval}" in + yes) ;; + no) build_warnings="-w";; + ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` + build_warnings="${build_warnings} ${t}";; + *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` + build_warnings="${t} ${build_warnings}";; + *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; +esac +if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then + echo "Setting compiler warning flags = $build_warnings" 6>&1 +fi +fi +# Check whether --enable-gdb-build-warnings was given. +if test "${enable_gdb_build_warnings+set}" = set; then : + enableval=$enable_gdb_build_warnings; case "${enableval}" in + yes) ;; + no) build_warnings="-w";; + ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` + build_warnings="${build_warnings} ${t}";; + *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` + build_warnings="${t} ${build_warnings}";; + *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; +esac +if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then + echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1 +fi +fi + +# The set of warnings supported by a C++ compiler is not the same as +# of the C compiler. +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + WARN_CFLAGS="" -if test "x$GCC" = xyes +if test "x${build_warnings}" != x -a "x$GCC" = xyes then { $as_echo "$as_me:${as_lineno-$LINENO}: checking compiler warning flags" >&5 $as_echo_n "checking compiler warning flags... " >&6; } # Separate out the -Werror flag as some files just cannot be # compiled with it enabled. for w in ${build_warnings}; do + # GCC does not complain about -Wno-unknown-warning. Invert + # and test -Wunknown-warning instead. + case $w in + -Wno-*) + wtest=`echo $w | sed 's/-Wno-/-W/g'` ;; + *) + wtest=$w ;; + esac + case $w in -Werr*) WERROR_CFLAGS=-Werror ;; - *) # Check that GCC accepts it + *) + # Check whether GCC accepts it. saved_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $w" + CFLAGS="$CFLAGS -Werror $wtest" + saved_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -Werror $wtest" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -4959,11 +7234,12 @@ main () return 0; } _ACEOF -if ac_fn_c_try_compile "$LINENO"; then : +if ac_fn_cxx_try_compile "$LINENO"; then : WARN_CFLAGS="${WARN_CFLAGS} $w" fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext CFLAGS="$saved_CFLAGS" + CXXFLAGS="$saved_CXXFLAGS" esac done { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${WARN_CFLAGS} ${WERROR_CFLAGS}" >&5 @@ -4972,6 +7248,19 @@ fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +case " $WARN_CFLAGS " in +*" -Wmissing-prototypes "*) + WARN_CFLAGS="$WARN_CFLAGS -Wno-missing-prototypes" + ;; +esac + old_LIBS="$LIBS" LIBS="$LIBS -ldl" for ac_func in dladdr @@ -4987,80 +7276,176 @@ done LIBS="$old_LIBS" -have_errno=no -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for errno" >&5 -$as_echo_n "checking for errno... " >&6; } -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#if HAVE_ERRNO_H -#include -#endif -int -main () -{ -static int x; x = errno; - ; - return 0; -} + # Check for presence and size of long long. + ac_fn_c_check_type "$LINENO" "long long" "ac_cv_type_long_long" "$ac_includes_default" +if test "x$ac_cv_type_long_long" = x""yes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_LONG_LONG 1 _ACEOF -if ac_fn_c_try_link "$LINENO"; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes - in errno.h" >&5 -$as_echo "yes - in errno.h" >&6; }; -$as_echo "#define HAVE_ERRNO 1" >>confdefs.h - have_errno=yes + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5 +$as_echo_n "checking size of long long... " >&6; } +if test "${ac_cv_sizeof_long_long+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_long_long" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ as_fn_set_status 77 +as_fn_error "cannot compute sizeof (long long) +See \`config.log' for more details." "$LINENO" 5; }; } + else + ac_cv_sizeof_long_long=0 + fi fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -if test $have_errno = no; then -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#if HAVE_ERRNO_H -#include -#endif -int -main () -{ -extern int errno; static int x; x = errno; - ; - return 0; -} +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_long" >&5 +$as_echo "$ac_cv_sizeof_long_long" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long _ACEOF -if ac_fn_c_try_link "$LINENO"; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes - must define" >&5 -$as_echo "yes - must define" >&6; }; -$as_echo "#define HAVE_ERRNO 1" >>confdefs.h -$as_echo "#define MUST_DEFINE_ERRNO 1" >>confdefs.h +fi + + + ac_fn_c_check_decl "$LINENO" "basename(char *)" "ac_cv_have_decl_basename_char_p_" "$ac_includes_default" +if test "x$ac_cv_have_decl_basename_char_p_" = x""yes; then : + ac_have_decl=1 else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } + ac_have_decl=0 fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_BASENAME $ac_have_decl +_ACEOF +ac_fn_c_check_decl "$LINENO" "ffs" "ac_cv_have_decl_ffs" "$ac_includes_default" +if test "x$ac_cv_have_decl_ffs" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 fi -ac_fn_c_check_decl "$LINENO" "strerror" "ac_cv_have_decl_strerror" "$ac_includes_default" -if test "x$ac_cv_have_decl_strerror" = x""yes; then : +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_FFS $ac_have_decl +_ACEOF +ac_fn_c_check_decl "$LINENO" "asprintf" "ac_cv_have_decl_asprintf" "$ac_includes_default" +if test "x$ac_cv_have_decl_asprintf" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF -#define HAVE_DECL_STRERROR $ac_have_decl +#define HAVE_DECL_ASPRINTF $ac_have_decl _ACEOF -ac_fn_c_check_decl "$LINENO" "strstr" "ac_cv_have_decl_strstr" "$ac_includes_default" -if test "x$ac_cv_have_decl_strstr" = x""yes; then : +ac_fn_c_check_decl "$LINENO" "vasprintf" "ac_cv_have_decl_vasprintf" "$ac_includes_default" +if test "x$ac_cv_have_decl_vasprintf" = x""yes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF -#define HAVE_DECL_STRSTR $ac_have_decl +#define HAVE_DECL_VASPRINTF $ac_have_decl +_ACEOF +ac_fn_c_check_decl "$LINENO" "snprintf" "ac_cv_have_decl_snprintf" "$ac_includes_default" +if test "x$ac_cv_have_decl_snprintf" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_SNPRINTF $ac_have_decl +_ACEOF +ac_fn_c_check_decl "$LINENO" "vsnprintf" "ac_cv_have_decl_vsnprintf" "$ac_includes_default" +if test "x$ac_cv_have_decl_vsnprintf" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_VSNPRINTF $ac_have_decl +_ACEOF + + ac_fn_c_check_decl "$LINENO" "strtol" "ac_cv_have_decl_strtol" "$ac_includes_default" +if test "x$ac_cv_have_decl_strtol" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRTOL $ac_have_decl +_ACEOF +ac_fn_c_check_decl "$LINENO" "strtoul" "ac_cv_have_decl_strtoul" "$ac_includes_default" +if test "x$ac_cv_have_decl_strtoul" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRTOUL $ac_have_decl +_ACEOF +ac_fn_c_check_decl "$LINENO" "strtoll" "ac_cv_have_decl_strtoll" "$ac_includes_default" +if test "x$ac_cv_have_decl_strtoll" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRTOLL $ac_have_decl +_ACEOF +ac_fn_c_check_decl "$LINENO" "strtoull" "ac_cv_have_decl_strtoull" "$ac_includes_default" +if test "x$ac_cv_have_decl_strtoull" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRTOULL $ac_have_decl +_ACEOF + + ac_fn_c_check_decl "$LINENO" "strverscmp" "ac_cv_have_decl_strverscmp" "$ac_includes_default" +if test "x$ac_cv_have_decl_strverscmp" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRVERSCMP $ac_have_decl +_ACEOF + + + +ac_fn_c_check_decl "$LINENO" "strerror" "ac_cv_have_decl_strerror" "$ac_includes_default" +if test "x$ac_cv_have_decl_strerror" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRERROR $ac_have_decl _ACEOF ac_fn_c_check_decl "$LINENO" "perror" "ac_cv_have_decl_perror" "$ac_includes_default" if test "x$ac_cv_have_decl_perror" = x""yes; then : @@ -5094,6 +7479,52 @@ cat >>confdefs.h <<_ACEOF _ACEOF +ac_fn_c_check_member "$LINENO" "struct stat" "st_blocks" "ac_cv_member_struct_stat_st_blocks" "$ac_includes_default" +if test "x$ac_cv_member_struct_stat_st_blocks" = x""yes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_BLOCKS 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct stat" "st_blksize" "ac_cv_member_struct_stat_st_blksize" "$ac_includes_default" +if test "x$ac_cv_member_struct_stat_st_blksize" = x""yes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_BLKSIZE 1 +_ACEOF + + +fi + + +# See if supports the %fs_base and %gs_bas amd64 segment registers. +# Older amd64 Linux's don't have the fs_base and gs_base members of +# `struct user_regs_struct'. +ac_fn_c_check_member "$LINENO" "struct user_regs_struct" "fs_base" "ac_cv_member_struct_user_regs_struct_fs_base" "#include +" +if test "x$ac_cv_member_struct_user_regs_struct_fs_base" = x""yes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_USER_REGS_STRUCT_FS_BASE 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct user_regs_struct" "gs_base" "ac_cv_member_struct_user_regs_struct_gs_base" "#include +" +if test "x$ac_cv_member_struct_user_regs_struct_gs_base" = x""yes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_USER_REGS_STRUCT_GS_BASE 1 +_ACEOF + + +fi + + + ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "#include #include @@ -5108,7 +7539,20 @@ _ACEOF fi -ac_fn_c_check_type "$LINENO" "Elf32_auxv_t" "ac_cv_type_Elf32_auxv_t" "#include +case "${target}" in + *-android*) + # Starting with NDK version 9, actually includes definitions + # of Elf32_auxv_t and Elf64_auxv_t. But sadly, includes + # which defines some of the ELF types incorrectly, + # leading to conflicts with the defintions from . + # This makes it impossible for us to include both and + # , which means that, in practice, we do not have + # access to Elf32_auxv_t and Elf64_auxv_t on this platform. + # Therefore, do not try to auto-detect availability, as it would + # get it wrong on this platform. + ;; + *) + ac_fn_c_check_type "$LINENO" "Elf32_auxv_t" "ac_cv_type_Elf32_auxv_t" "#include " if test "x$ac_cv_type_Elf32_auxv_t" = x""yes; then : @@ -5131,6 +7575,7 @@ _ACEOF fi +esac @@ -5220,6 +7665,37 @@ fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_i386_is_x86_64" >&5 $as_echo "$gdb_cv_i386_is_x86_64" >&6; } ;; + + x86_64-*-linux*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if building for x32" >&5 +$as_echo_n "checking if building for x32... " >&6; } +if test "${gdb_cv_x86_is_x32+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $CFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#if __x86_64__ && __ILP32__ +got it +#endif + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "got it" >/dev/null 2>&1; then : + gdb_cv_x86_is_x32=yes +else + gdb_cv_x86_is_x32=no +fi +rm -f conftest* + + CPPFLAGS="$save_CPPFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_x86_is_x32" >&5 +$as_echo "$gdb_cv_x86_is_x32" >&6; } + ;; + m68k-*-*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking if building for Coldfire" >&5 $as_echo_n "checking if building for Coldfire... " >&6; } @@ -5253,6 +7729,10 @@ esac . ${srcdir}/configure.srv +# Add in the common host objects. +. ${srcdir}/../common/common.host +srv_host_obs="$common_host_obs" + if test "${srv_mingwce}" = "yes"; then LIBS="$LIBS -lws2" elif test "${srv_mingw}" = "yes"; then @@ -5463,6 +7943,43 @@ $as_echo "#define HAVE_PRGREGSET_T 1" >>confdefs.h { $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_prgregset_t" >&5 $as_echo "$bfd_cv_have_sys_procfs_type_prgregset_t" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for prfpregset_t in sys/procfs.h" >&5 +$as_echo_n "checking for prfpregset_t in sys/procfs.h... " >&6; } + if test "${bfd_cv_have_sys_procfs_type_prfpregset_t+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#define _SYSCALL32 +/* Needed for new procfs interface on sparc-solaris. */ +#define _STRUCTURED_PROC 1 +#include +int +main () +{ +prfpregset_t avar + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + bfd_cv_have_sys_procfs_type_prfpregset_t=yes +else + bfd_cv_have_sys_procfs_type_prfpregset_t=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + + if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then + +$as_echo "#define HAVE_PRFPREGSET_T 1" >>confdefs.h + + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_have_sys_procfs_type_prfpregset_t" >&5 +$as_echo "$bfd_cv_have_sys_procfs_type_prfpregset_t" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for elf_fpregset_t in sys/procfs.h" >&5 $as_echo_n "checking for elf_fpregset_t in sys/procfs.h... " >&6; } if test "${bfd_cv_have_sys_procfs_type_elf_fpregset_t+set}" = set; then : @@ -5748,7 +8265,7 @@ $as_echo "#define USE_XML 1" >>confdefs.h done fi -GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles" +GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles $srv_host_obs" GDBSERVER_LIBS="$srv_libs" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the target supports __sync_*_compare_and_swap" >&5 @@ -5928,17 +8445,8 @@ if test x"$STDINT_H" != x; then fi -# For --version, we want to the print --host/--target exactly -# as passed to configure. But if those were not specified, then -# print the canonical host/target. -version_host=${host_alias:-$host} -version_target=${target_alias:-$target} - - - ac_config_files="$ac_config_files Makefile" -ac_config_commands="$ac_config_commands default" cat >confcache <<\_ACEOF # This file is a shell script that caches the results of configure @@ -6041,10 +8549,6 @@ if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then as_fn_error "conditional \"MAINTAINER_MODE\" was never defined. Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi -if test -z "${GMAKE_TRUE}" && test -z "${GMAKE_FALSE}"; then - as_fn_error "conditional \"GMAKE\" was never defined. -Usually this means the macro was only invoked conditionally." "$LINENO" 5 -fi : ${CONFIG_STATUS=./config.status} ac_write_fail=0 @@ -6639,7 +9143,6 @@ do "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h:config.in" ;; "depdir") CONFIG_COMMANDS="$CONFIG_COMMANDS depdir" ;; "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; - "default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;; *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;; esac @@ -7185,7 +9688,7 @@ $as_echo "$as_me: executing $ac_file commands" >&6;} case $ac_file$ac_mode in "depdir":C) $SHELL $ac_aux_dir/mkinstalldirs $DEPDIR ;; - "default":C) case x$CONFIG_HEADERS in + "Makefile":F) case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac