1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 96d8e04cd70..7c520308cf0 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -2674,6 +2674,15 @@ foo:	nop
        else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
        fi])
 
+    if test x$gas_flag = xyes \
+       || test x"$host" != x"$build" \
+       || test ! -x "$gcc_cv_as" \
+       || "$gcc_cv_as" -v < /dev/null 2>&1 | grep GNU > /dev/null; then
+      :
+    else
+      echo "*** This configuration requires the GNU assembler" >&2
+      exit 1
+    fi
     ;;
 esac
 # ??? Not all targets support dwarf2 debug_line, even within a version