activate c11 for gnulib tests

* configure.ac: Here.

activate c11 for gnulib tests
* configure.ac: Here.
05538423 · Alexandre Duret-Lutz · 1396b7f7 · 05538423
Commit 05538423 authored Nov 10, 2015 by Alexandre Duret-Lutz
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configure.ac configure.ac +3 -1

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--- a/configure.ac
+++ b/configure.ac
@@ -44,8 +44,10 @@ AC_PROG_CXX
 AM_PROG_LEX
 adl_CHECK_BISON

-gl_INIT
+# Activate at C11 for gnulib tests
+AX_CHECK_COMPILE_FLAG([-std=c11], [CFLAGS="$CFLAGS -std=c11"])

+gl_INIT

 # Use -Werror since using -fvisibility under MinGW is only a warning.
 # (The option is ignored anyway since this does not make sense under windows).