From 0713b7dd22f7744289a06aa352bdacaa7fbcdc0c Mon Sep 17 00:00:00 2001
From: Costa Tsaousis <costa@tsaousis.gr>
Date: Wed, 28 Sep 2016 18:24:33 +0300
Subject: use prior version of ax_check_compile_flag for autotools >=2.60
 compatibility

---
 m4/ax_check_compile_flag.m4 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'm4')

diff --git a/m4/ax_check_compile_flag.m4 b/m4/ax_check_compile_flag.m4
index ca3639715e..51df0c09a7 100644
--- a/m4/ax_check_compile_flag.m4
+++ b/m4/ax_check_compile_flag.m4
@@ -55,10 +55,10 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 4
+#serial 3
 
 AC_DEFUN([AX_CHECK_COMPILE_FLAG],
-[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
+[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX
 AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
 AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
   ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
@@ -67,7 +67,7 @@ AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
     [AS_VAR_SET(CACHEVAR,[yes])],
     [AS_VAR_SET(CACHEVAR,[no])])
   _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
-AS_VAR_IF(CACHEVAR,yes,
+AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
   [m4_default([$2], :)],
   [m4_default([$3], :)])
 AS_VAR_POPDEF([CACHEVAR])dnl
-- 
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