[X2Go-Commits] [libx2goclient] 02/09: configure.ac: check for C99 support and bail out otherwise.

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commit 9589080f2d41084a13c7aa025d09859a31145e88
Author: Mihai Moldovan <ionic at ionic.de>
Date:   Thu Mar 26 11:46:02 2020 +0100

    configure.ac: check for C99 support and bail out otherwise.
---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure.ac b/configure.ac
index 44e36b3..6da9081 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,6 +33,12 @@ AC_SUBST(LT_VERSION)
 AM_MAINTAINER_MODE
 
 AC_PROG_CC
+AC_PROG_CC_C99
+
+if test "x$ac_cv_prog_cc_c99" = "xno"; then
+  AC_MSG_ERROR([your C compiler does not support C99])
+fi
+
 AC_STDC_HEADERS
 AC_PROG_LIBTOOL
 PKG_PROG_PKG_CONFIG

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