Robustify static_assert() check

049eadc4 · Rémi Denis-Courmont · 01de23db · 049eadc4
Commit 049eadc4 authored Nov 07, 2012 by Rémi Denis-Courmont
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configure.ac configure.ac +2 -5

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--- a/configure.ac
+++ b/configure.ac
@@ -515,11 +515,8 @@ AC_LINK_IFELSE([

 dnl C11 static_assert()
 AC_MSG_CHECKING([for static_assert in assert.h])
-AC_PREPROC_IFELSE([AC_LANG_SOURCE([
-#include <assert.h>
-#ifndef static_assert
-# error BOOM!
-#endif
+AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
+static_assert(1, "The impossible happened.");
 ])], [
  AC_MSG_RESULT([yes])
  AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define to 1 if <assert.h> defines static_assert.])