X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=b844927d043b52671daba5f4ff5f4adb4ddb9d28;hb=08d2cd740c0c9ca78c849cf14e3470f0b8823139;hp=85fe903d3b17267ffd8cdd0d7fd6652168e4d15a;hpb=c77912127fd71c822df5b03a3190cddd19b1dd4f;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/configure.in b/ld/configure.in
index 85fe903d3b..b844927d04 100644
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -5,6 +5,7 @@ AC_INIT
 AC_CONFIG_SRCDIR(ldmain.c)
 
 AC_CANONICAL_TARGET
+AC_CANONICAL_BUILD
 AC_ISC_POSIX
 
 changequote(,)dnl
@@ -74,7 +75,7 @@ dnl "install_as_default" is set to false if gold is the default linker.
 dnl "installed_linker" is the installed BFD linker name.
 AC_ARG_ENABLE(gold,
 [[  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]]],
-[case "${enableval}" in 
+[case "${enableval}" in
  default)
    install_as_default=no
    installed_linker=ld.bfd
@@ -119,8 +120,19 @@ esac
 
 AM_BINUTILS_WARNINGS
 
+AM_LC_MESSAGES
+
 AC_CONFIG_HEADERS([config.h:config.in])
 
+# PR 14072
+AH_VERBATIM([00_CONFIG_H_CHECK],
+[/* Check that config.h is #included before system headers
+   (this works only for glibc, but that should be enough).  */
+#if defined(__GLIBC__) && !defined(__CONFIG_H__)
+#  error config.h must be #included before system headers
+#endif
+#define __CONFIG_H__ 1])
+
 if test -z "$target" ; then
     AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
 fi
@@ -131,6 +143,7 @@ fi
 # host-specific stuff:
 
 AC_PROG_CC
+AC_PROG_CXX
 AC_GNU_SOURCE
 AC_USE_SYSTEM_EXTENSIONS
 ACX_LARGEFILE
@@ -138,7 +151,7 @@ AC_PROG_INSTALL
 
 LT_INIT
 
-ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi id bg"
+ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi id bg it"
 ZW_GNU_GETTEXT_SISTER_DIR
 AM_PO_SUBDIRS
 
@@ -158,9 +171,10 @@ AC_SUBST(HOSTING_CRT0)
 AC_SUBST(HOSTING_LIBS)
 AC_SUBST(NATIVE_LIB_DIRS)
 
-AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h)
+AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
 AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)
-AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid)
+ACX_HEADER_STRING
+AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
 AC_CHECK_FUNCS(open lseek close)
 AC_HEADER_DIRENT
 
@@ -171,10 +185,34 @@ AC_SEARCH_LIBS([dlopen],[dl],[],[enable_plugins=no],[])
 AC_CHECK_FUNCS([dlopen dlsym dlclose],[],[enable_plugins=no])
 # We also support plugins on Windows (MinGW).
 if test x$enable_plugins = xno ; then
-  AC_CHECK_HEADERS([Windows.h],[enable_plugins=yes],[],[AC_INCLUDES_DEFAULT])
+  AC_CHECK_HEADERS([windows.h],[enable_plugins=yes],[],[AC_INCLUDES_DEFAULT])
 fi
 AM_CONDITIONAL([ENABLE_PLUGINS], [test x$enable_plugins = xyes])
 
+AC_ARG_ENABLE(initfini-array,
+	[  --enable-initfini-array	use .init_array/.fini_array sections],
+	[], [
+AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
+		 gcc_cv_initfini_array, [dnl
+  if test "x${build}" = "x${target}" ; then
+    AC_RUN_IFELSE([AC_LANG_SOURCE([
+static int x = -1;
+int main (void) { return x; }
+int foo (void) { x = 0; }
+int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])],
+	     [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],
+	     [gcc_cv_initfini_array=no])
+   else
+     gcc_cv_initfini_array=no
+   fi])
+  enable_initfini_array=$gcc_cv_initfini_array
+])
+AC_SUBST(enable_initfini_array)
+if test $enable_initfini_array = yes; then
+  AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
+    [Define .init_array/.fini_array sections are available and working.])
+fi
+
 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
 AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
@@ -184,14 +222,14 @@ if test $ld_cv_decl_getopt_unistd_h = yes; then
   AC_DEFINE([HAVE_DECL_GETOPT], 1,
 	    [Is the prototype for getopt in <unistd.h> in the expected format?])
 fi
-	
+
 BFD_BINARY_FOPEN
 
 AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
 
 # Link in zlib if we can.  This is needed only for the bootstrap tests
 # right now, since those tests use libbfd, which depends on zlib.
-AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
+AM_ZLIB
 
 # When converting linker scripts into strings for use in emulation
 # files, use astring.sed if the compiler supports ANSI string
@@ -226,6 +264,15 @@ dnl not permit literal newlines in an AC_SUBST variables.  So we use a
 dnl file.
 rm -f tdirs
 
+# If the host is 64-bit, then we enable 64-bit targets by default.
+# This is consistent with what ../bfd/configure.in does.
+if test x${want64} = xfalse; then
+  AC_CHECK_SIZEOF(void *)
+  if test "x${ac_cv_sizeof_void_p}" = "x8"; then
+    want64=true
+  fi
+fi
+
 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
 do
   if test "$targ_alias" = "all"; then
@@ -296,12 +343,6 @@ TDIRS=tdirs
 AC_SUBST_FILE(TDIRS)
 
 if test x${all_targets} = xtrue; then
-  if test x${want64} = xfalse; then
-    AC_CHECK_SIZEOF(long)
-    if test "x${ac_cv_sizeof_long}" = "x8"; then
-      want64=true
-    fi
-  fi
   if test x${want64} = xtrue; then
     EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
   else