Require c++ in stage1_languages with --enable-gold in combined bootstrap.

/:
	* configure.ac: If bootstrapping a combined tree with
	--enable-gold, require c++ in stage1_languages.
	* configure: Regenerate.

1 files changed, 7 insertions, 0 deletions

diff --git a/configure b/configure
index 49c1786de..720fa239c 100755
--- a/configure
+++ b/configure
@@ -6584,6 +6584,13 @@ case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
     ;;
 esac
 
+case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
+  yes:yes:*\ gold\ *:*,c++,*) ;;
+  yes:yes:*\ gold\ *:*)
+    as_fn_error "in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages" "$LINENO" 5
+    ;;
+esac
+
 # Adjust the toplevel makefile according to whether bootstrap was selected.
 case $enable_bootstrap in
   yes)