Fix: configure: support Autoconf 2.70

[urcu.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 59350f43d00ad728e9d257f6e36befd0e4cd45b0..c68b43ba54bb3e0f8ee8b569f9d55067620654b8 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.