X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=41b641433f8392a53cc87b7abee003210ce15624;hb=32fba81dfe3716260e14c2b4e68488a1c02c34ff;hp=8b8354d1a11d7dd2cb0093ea61e0119f1d1b8ef8;hpb=0b48acfe664456ecf535a81be69bae8b52ae5631;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/configure.in b/ld/configure.in
index 8b8354d1a1..41b641433f 100644
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script
 dnl
-AC_PREREQ(2.13)
+AC_PREREQ(2.57)
 AC_INIT(ldmain.c)
 
 AC_CANONICAL_SYSTEM
@@ -66,26 +66,7 @@ AC_SUBST(use_sysroot)
 AC_SUBST(TARGET_SYSTEM_ROOT)
 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
 
-build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
-AC_ARG_ENABLE(build-warnings,
-[  --enable-build-warnings enable build-time compiler warnings if gcc is used],
-[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 warning flags = $build_warnings" 6>&1
-fi])dnl
-WARN_CFLAGS=""
-if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
-    WARN_CFLAGS="${build_warnings}"
-fi
-AC_SUBST(WARN_CFLAGS)
+AM_BINUTILS_WARNINGS
 
 AM_CONFIG_HEADER(config.h:config.in)
 
@@ -101,7 +82,7 @@ fi
 AC_PROG_CC
 AC_PROG_INSTALL
 
-ALL_LINGUAS="fr sv tr es da"
+ALL_LINGUAS="fr sv tr es da vi zh_CN"
 CY_GNU_GETTEXT
 
 AC_EXEEXT
@@ -122,13 +103,19 @@ AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
 AC_CHECK_FUNCS(sbrk realpath glob)
 AC_HEADER_DIRENT
 
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
+[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
+ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
+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
 
-BFD_NEED_DECLARATION(strstr)
-BFD_NEED_DECLARATION(free)
-BFD_NEED_DECLARATION(sbrk)
-BFD_NEED_DECLARATION(getenv)
-BFD_NEED_DECLARATION(environ)
+AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
 
 # When converting linker scripts into strings for use in emulation
 # files, use astring.sed if the compiler supports ANSI string
@@ -169,7 +156,7 @@ do
     all_targets=true
   else
     # Canonicalize the secondary target names.
-    result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
+    result=`$ac_config_sub $targ_alias 2>/dev/null`
     if test -n "$result"; then
 	targ=$result
     else