PR 14072

[external/binutils.git] / gold / config.in

diff --git a/gold/config.in b/gold/config.in
index dd6d827..dd0a0da 100644 (file)
--- a/gold/config.in
+++ b/gold/config.in
@@ -1,5 +1,12 @@
 /* config.in.  Generated from configure.ac by autoheader.  */
 
+/* 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
+
 /* Define if building universal (internal helper macro) */
 #undef AC_APPLE_UNIVERSAL_BUILD