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-rw-r--r--m4/as-gcc-inline-assembly.m43
1 files changed, 3 insertions, 0 deletions
diff --git a/m4/as-gcc-inline-assembly.m4 b/m4/as-gcc-inline-assembly.m4
index fe4736f..1211dde 100644
--- a/m4/as-gcc-inline-assembly.m4
+++ b/m4/as-gcc-inline-assembly.m4
@@ -16,6 +16,9 @@ AC_DEFUN([AS_GCC_INLINE_ASSEMBLY],
AC_MSG_CHECKING([if compiler supports gcc-style inline assembly])
AC_TRY_COMPILE([], [
+#ifndef __GNUC__
+#error Not GCC
+#endif
#ifdef __GNUC_MINOR__
#if (__GNUC__ * 1000 + __GNUC_MINOR__) < 3004
#error GCC before 3.4 has critical bugs compiling inline assembly