From f5ae447be93cfeb47dd6c0390fe2e0920249a89a Mon Sep 17 00:00:00 2001
From: Sergey Kosukhin <sergey.kosukhin@mpimet.mpg.de>
Date: Tue, 19 Apr 2022 10:47:33 +0200
Subject: [PATCH] fix configure check for the -fno-strict-aliasing flag

---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 880ac4065..48a961a08 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,6 +61,7 @@ AC_CONFIG_HEADERS([config.h])
 ##
 SAVE_CFLAGS="${CFLAGS}"
 AC_LANG_PUSH([C])
+AC_LANG_COMPILER_REQUIRE
 CFLAGS="${CFLAGS} -fno-strict-aliasing"
 
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([