X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure;h=088c721de775db83cfae6dede46b57d833384afc;hb=b9e33f301ea91a4d15666e882acd35e65ec68d41;hp=1fa03956d0d6323dc3c4fa75312fe108febe8f11;hpb=397841b5aed514e848c022e64ef1cfc5fa68afcc;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/configure b/ld/configure
index 1fa03956d0..088c721de7 100755
--- a/ld/configure
+++ b/ld/configure
@@ -609,6 +609,8 @@ EMUL_EXTRA_OFILES
 EMULATION_OFILES
 EMUL
 STRINGIFY
+ENABLE_PLUGINS_FALSE
+ENABLE_PLUGINS_TRUE
 NATIVE_LIB_DIRS
 HOSTING_LIBS
 HOSTING_CRT0
@@ -657,6 +659,8 @@ WARN_CFLAGS
 EGREP
 GREP
 CPP
+installed_linker
+install_as_default
 TARGET_SYSTEM_ROOT_DEFINE
 TARGET_SYSTEM_ROOT
 use_sysroot
@@ -761,6 +765,7 @@ with_lib_path
 enable_targets
 enable_64_bit_bfd
 with_sysroot
+enable_gold
 enable_got
 enable_werror
 enable_build_warnings
@@ -1409,6 +1414,7 @@ Optional Features:
 			  (and sometimes confusing) to the casual installer
   --enable-targets        alternative target configurations
   --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)
+  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]
   --enable-got=<type>     GOT handling scheme (target, single, negative,
                           multigot)
   --enable-werror         treat compile warnings as errors
@@ -1880,8 +1886,10 @@ $as_echo "$ac_res" >&6; }
 ac_fn_c_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
-$as_echo_n "checking whether $2 is declared... " >&6; }
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
 if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
@@ -1891,8 +1899,12 @@ $4
 int
 main ()
 {
-#ifndef $2
-  (void) $2;
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
 #endif
 
   ;
@@ -4164,6 +4176,29 @@ fi
 
 
 
+# Check whether --enable-gold was given.
+if test "${enable_gold+set}" = set; then :
+  enableval=$enable_gold; case "${enableval}" in
+ default)
+   install_as_default=no
+   installed_linker=ld.bfd
+   ;;
+ yes|no)
+   install_as_default=yes
+   installed_linker=ld.bfd
+   ;;
+ *)
+   as_fn_error "invalid --enable-gold argument" "$LINENO" 5
+   ;;
+ esac
+else
+  install_as_default=yes
+ installed_linker=ld.bfd
+fi
+
+
+
+
 # Check whether --enable-got was given.
 if test "${enable_got+set}" = set; then :
   enableval=$enable_got; case "${enableval}" in
@@ -11587,7 +11622,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11590 "configure"
+#line 11625 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11693,7 +11728,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11696 "configure"
+#line 11731 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12600,6 +12635,20 @@ fi
 
 done
 
+for ac_header in fcntl.h sys/file.h sys/time.h sys/stat.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" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
 for ac_func in glob mkstemp realpath sbrk waitpid
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
@@ -12613,6 +12662,19 @@ _ACEOF
 fi
 done
 
+for ac_func in open lseek close
+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" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
 ac_header_dirent=no
 for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
   as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
@@ -12773,6 +12835,115 @@ fi
 fi
 
 
+# Check for dlopen support and enable plugins if possible.
+enable_plugins=yes
+ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
+"
+if test "x$ac_cv_header_dlfcn_h" = x""yes; then :
+
+else
+  enable_plugins=no
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
+$as_echo_n "checking for library containing dlopen... " >&6; }
+if test "${ac_cv_search_dlopen+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' dl; do
+  if test -z "$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_dlopen=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if test "${ac_cv_search_dlopen+set}" = set; then :
+  break
+fi
+done
+if test "${ac_cv_search_dlopen+set}" = set; then :
+
+else
+  ac_cv_search_dlopen=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
+$as_echo "$ac_cv_search_dlopen" >&6; }
+ac_res=$ac_cv_search_dlopen
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+else
+  enable_plugins=no
+fi
+
+for ac_func in dlopen dlsym dlclose
+do :
+  as_ac_var=`$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" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  enable_plugins=no
+fi
+done
+
+# We also support plugins on Windows (MinGW).
+if test x$enable_plugins = xno ; then
+  for ac_header in Windows.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "Windows.h" "ac_cv_header_Windows_h" "$ac_includes_default
+"
+if test "x$ac_cv_header_Windows_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_WINDOWS_H 1
+_ACEOF
+ enable_plugins=yes
+fi
+
+done
+
+fi
+ if test x$enable_plugins = xyes; then
+  ENABLE_PLUGINS_TRUE=
+  ENABLE_PLUGINS_FALSE='#'
+else
+  ENABLE_PLUGINS_TRUE='#'
+  ENABLE_PLUGINS_FALSE=
+fi
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a known getopt prototype in unistd.h" >&5
 $as_echo_n "checking for a known getopt prototype in unistd.h... " >&6; }
 if test "${ld_cv_decl_getopt_unistd_h+set}" = set; then :
@@ -13267,6 +13438,10 @@ if test -z "${GENINSRC_NEVER_TRUE}" && test -z "${GENINSRC_NEVER_FALSE}"; then
   as_fn_error "conditional \"GENINSRC_NEVER\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${ENABLE_PLUGINS_TRUE}" && test -z "${ENABLE_PLUGINS_FALSE}"; then
+  as_fn_error "conditional \"ENABLE_PLUGINS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : ${CONFIG_STATUS=./config.status}
 ac_write_fail=0
@@ -15500,7 +15675,7 @@ _LT_EOF
       case "$ac_file" in */Makefile.in)
         # Adjust a relative srcdir.
         ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
-        ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
+        ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
         ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
         # In autoconf-2.13 it is called $ac_given_srcdir.
         # In autoconf-2.50 it is called $srcdir.