gcc/configure.ac: fix AC_DEFINE ENABLE_MULTIARCH

Description section was missing in AC_DEFINE(ENABLE_MULTIARCH, 1).
It makes autoheader fail.

Thanks Lulu Cheng points it out.

gcc/ChangeLog:

	* configure.ac: add description for
	AC_DEFINE(ENABLE_MULTIARCH, 1)

diff --git a/gcc/configure.ac b/gcc/configure.ac
index 7c55bff6cb0621a49f3d2fa95e5b6532344e64c3..d4c2b75119da416e84f305b604c95fbe02c2cbbb 100644 (file)
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -888,7 +888,7 @@ if test x${enable_multiarch} = xauto; then
   fi
 fi
 if test x${enable_multiarch} = xyes; then
-  AC_DEFINE(ENABLE_MULTIARCH, 1)
+  AC_DEFINE(ENABLE_MULTIARCH, 1, [If --with-multiarch option is used])
 fi
 AC_MSG_CHECKING(for multiarch configuration)
 AC_SUBST(enable_multiarch)