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-rw-r--r--gold/configure.ac9
1 files changed, 9 insertions, 0 deletions
diff --git a/gold/configure.ac b/gold/configure.ac
index ee53409..a2c4875 100644
--- a/gold/configure.ac
+++ b/gold/configure.ac
@@ -11,6 +11,15 @@ AM_INIT_AUTOMAKE([no-dist parallel-tests])
AM_CONFIG_HEADER(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])
+
AC_ARG_WITH(sysroot,
[ --with-sysroot[=DIR] search for usr/lib et al within DIR],
[sysroot=$withval], [sysroot=no])