X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Fconfigure.ac;h=d943269377b77ebb7cd57ab192e803dbfcdbd0b9;hb=73cc72729a184f00bf6fc4d74684a8516ba6b683;hp=efbb346e205f6a317c6b101b85e84bce67c758aa;hpb=1041a03c1b4d03c39033c8bb942148dc3e4b4acc;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbserver/configure.ac b/gdb/gdbserver/configure.ac index efbb346e20..d943269377 100644 --- a/gdb/gdbserver/configure.ac +++ b/gdb/gdbserver/configure.ac @@ -1,5 +1,5 @@ dnl Autoconf configure script for GDB server. -dnl Copyright (C) 2000-2015 Free Software Foundation, Inc. +dnl Copyright (C) 2000-2019 Free Software Foundation, Inc. dnl dnl This file is part of GDB. dnl @@ -18,8 +18,6 @@ dnl along with this program. If not, see . dnl Process this file with autoconf to produce a configure script. -AC_PREREQ(2.59)dnl - AC_INIT(server.c) AC_CONFIG_HEADER(config.h:config.in) @@ -38,10 +36,11 @@ AC_PROG_RANLIB AC_ARG_PROGRAM -AC_HEADER_STDC +# 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_STDCXX(11, , mandatory) -# See if we are building with C++, and substitute COMPILER. -GDB_AC_BUILD_WITH_CXX +AC_HEADER_STDC # Set the 'development' global. . $srcdir/../../bfd/development.sh @@ -55,23 +54,28 @@ else fi GDB_AC_LIBMCHECK(${libmcheck_default}) +GDB_AC_SELFTEST([ + srv_selftest_objs="common/selftest.o" +]) + ACX_NONCANONICAL_TARGET ACX_NONCANONICAL_HOST # Dependency checking. ZW_CREATE_DEPDIR -ZW_PROG_COMPILER_DEPENDENCIES([CC]) -# Check for the 'make' the user wants to use. -AC_CHECK_PROGS(MAKE, make) -MAKE_IS_GNU= -case "`$MAKE --version 2>&1 | sed 1q`" in - *GNU*) - MAKE_IS_GNU=yes - ;; -esac -AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes) -AC_PROG_MAKE_SET +# Create sub-directories for objects and dependencies. +CONFIG_SRC_SUBDIR="arch common" +AC_SUBST(CONFIG_SRC_SUBDIR) + +AC_CONFIG_COMMANDS([gdbdepdir],[ + for subdir in ${CONFIG_SRC_SUBDIR} + do + $SHELL $ac_aux_dir/mkinstalldirs $subdir/$DEPDIR + done], + [ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR CONFIG_SRC_SUBDIR="$CONFIG_SRC_SUBDIR"]) + +ZW_PROG_COMPILER_DEPENDENCIES([CC]) gnulib_extra_configure_args= # If large-file support is disabled, make sure gnulib does the same. @@ -84,20 +88,24 @@ fi # gdbserver/. We need to build gnulib under some other directory not # "gnulib", to avoid the problem of both GDB and GDBserver wanting to # build it in the same directory, when building in the source dir. -ACX_CONFIGURE_DIR(["../gnulib"], ["build-gnulib-gdbserver"], +ACX_CONFIGURE_DIR(["../../gnulib"], ["build-gnulib-gdbserver"], ["$gnulib_extra_configure_args"]) ACX_CONFIGURE_DIR(["../../libiberty"], ["build-libiberty-gdbserver"]) -AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl +AC_CHECK_HEADERS(termios.h sys/reg.h string.h dnl proc_service.h sys/procfs.h linux/elf.h dnl fcntl.h signal.h sys/file.h dnl sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl netinet/tcp.h arpa/inet.h) -AC_CHECK_FUNCS(getauxval pread pwrite pread64) +AC_FUNC_FORK +AC_CHECK_FUNCS(getauxval pread pwrite pread64 setns) GDB_AC_COMMON +# Check the return and argument types of ptrace. +GDB_AC_PTRACE + # Check for UST ustlibs="" ustinc="" @@ -146,72 +154,7 @@ fi AC_SUBST(ustlibs) AC_SUBST(ustinc) -AC_ARG_ENABLE(werror, - AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]), - [case "${enableval}" in - yes | y) ERROR_ON_WARNING="yes" ;; - no | n) ERROR_ON_WARNING="no" ;; - *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; - esac]) - -# Enable -Werror by default when using gcc in C mode. Leave it off -# for C++ until we're warning clean. Turn it off for releases. -if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" \ - && test x"$enable_build_with_cxx" != x"yes" \ - && $development; then - ERROR_ON_WARNING=yes -fi - -WERROR_CFLAGS="" -if test "${ERROR_ON_WARNING}" = yes ; then - WERROR_CFLAGS="-Werror" -fi - -build_warnings="-Wall -Wpointer-arith \ --Wformat-nonliteral -Wno-char-subscripts -Wempty-body" - -# Now add in C and C++ specific options, depending on mode. -if test "$enable_build_with_cxx" = "yes"; then - build_warnings="$build_warnings -Wno-sign-compare -Wno-write-strings \ --Wno-narrowing" -else - build_warnings="$build_warnings -Wdeclaration-after-statement" -fi - -# The set of warnings supported by a C++ compiler is not the same as -# of the C compiler. -if test "$enable_build_with_cxx" = "yes"; then - AC_LANG_PUSH([C++]) -fi - -WARN_CFLAGS="" -if test "x$GCC" = xyes -then - AC_MSG_CHECKING(compiler warning flags) - # Separate out the -Werror flag as some files just cannot be - # compiled with it enabled. - for w in ${build_warnings}; do - case $w in - -Werr*) WERROR_CFLAGS=-Werror ;; - *) - # Check whether GCC accepts it. - saved_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $w" - saved_CXXFLAGS="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS $w" - AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",) - CFLAGS="$saved_CFLAGS" - CXXFLAGS="$saved_CXXFLAGS" - esac - done - AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS}) -fi -AC_SUBST(WARN_CFLAGS) -AC_SUBST(WERROR_CFLAGS) - -if test "$enable_build_with_cxx" = "yes"; then - AC_LANG_POP([C++]) -fi +AM_GDB_WARNINGS dnl dladdr is glibc-specific. It is used by thread-db.c but only for dnl debugging messages. It lives in -ldl which is handled below so we don't @@ -228,14 +171,36 @@ AC_CHECK_DECLS([strerror, perror, vasprintf, vsnprintf]) AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) +# 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_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base], + [], [], [#include +#include ]) + + AC_CHECK_TYPES(socklen_t, [], [], [#include #include ]) -AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [], -#include -) +case "${target}" in + *-android*) + # Starting with NDK version 9, actually includes definitions + # of Elf32_auxv_t and Elf64_auxv_t. But sadly, includes + # which defines some of the ELF types incorrectly, + # leading to conflicts with the defintions from . + # This makes it impossible for us to include both and + # , which means that, in practice, we do not have + # access to Elf32_auxv_t and Elf64_auxv_t on this platform. + # Therefore, do not try to auto-detect availability, as it would + # get it wrong on this platform. + ;; + *) + AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [], + #include + ) +esac ACX_PKGVERSION([GDB]) ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/]) @@ -259,6 +224,20 @@ got it [gdb_cv_i386_is_x86_64=no]) CPPFLAGS="$save_CPPFLAGS"]) ;; + + x86_64-*-linux*) + AC_CACHE_CHECK([if building for x32], [gdb_cv_x86_is_x32], + [save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $CFLAGS" + AC_EGREP_CPP([got it], [ +#if __x86_64__ && __ILP32__ +got it +#endif + ], [gdb_cv_x86_is_x32=yes], + [gdb_cv_x86_is_x32=no]) + CPPFLAGS="$save_CPPFLAGS"]) + ;; + m68k-*-*) AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire], [save_CPPFLAGS="$CPPFLAGS" @@ -423,7 +402,7 @@ if test "$srv_xmlfiles" != ""; then done fi -GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles $srv_host_obs" +GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles $srv_host_obs $srv_selftest_objs" GDBSERVER_LIBS="$srv_libs" dnl Check whether the target supports __sync_*_compare_and_swap. @@ -440,7 +419,7 @@ fi dnl Check for -fvisibility=hidden support in the compiler. saved_cflags="$CFLAGS" CFLAGS="$CFLAGS -fvisibility=hidden" -AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]), +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], [gdbsrv_cv_have_visibility_hidden=yes], [gdbsrv_cv_have_visibility_hidden=no]) CFLAGS="$saved_cflags" @@ -514,9 +493,11 @@ if test x"$STDINT_H" != x; then fi AC_SUBST(GNULIB_STDINT_H) -AC_OUTPUT(Makefile, +AC_CONFIG_FILES([Makefile], [case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac ]) + +AC_OUTPUT