Fix: configure: support Autoconf 2.70

[urcu.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index daa967a738a057a61dc69b5e93c9c047c4b71524..1f499c733e492f519dfadb4c3aa575cae6181009 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -44,8 +44,8 @@ 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.
@@ -119,10 +119,6 @@ AS_CASE([$host],[*-cygwin*],
        [AM_CONDITIONAL(USE_CYGWIN, false)]
 )
 
-AS_IF([test "$host_cpu" = "armv7l"],[
-       AM_CFLAGS="$AM_CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
-])
-
 # Search for clock_gettime
 AC_SEARCH_LIBS([clock_gettime], [rt], [
        AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])