Fix: configure: support Autoconf 2.70

[urcu.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index bee0dfe3bbb06dcb069796366a92d709378cefc1..60ebf68533a1d4a97124ae3e312d79d2cac13bf1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -48,8 +48,8 @@ AC_ARG_ENABLE([compiler-tls],
 # Checks for C compiler
 AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
-AC_PROG_CC_STDC
-
+# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
+m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
 AS_IF([test "x$def_compiler_tls" = "xyes"], AC_DEFINE([CONFIG_RCU_TLS], [1]), [:])
 
 # Checks for programs.