ld/

[deliverable/binutils-gdb.git] / ld / configure.in

diff --git a/ld/configure.in b/ld/configure.in
index 99648cffb7e34a12f490fbfcc51c2e7455c6b487..b844927d043b52671daba5f4ff5f4adb4ddb9d28 100644 (file)
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -124,6 +124,15 @@ 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
@@ -162,8 +171,9 @@ 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)
+ACX_HEADER_STRING
 AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
 AC_CHECK_FUNCS(open lseek close)
 AC_HEADER_DIRENT