X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=configure.ac;h=20c2689a6d31ba93f8a6312aeacc98f83644bf05;hb=a1cbdce3b16f269291fb2c6f2ecb88c96d57539b;hp=3d772e3a479ed2958172f2be7eb2a6c97cdc0384;hpb=0540b338037a07893d4f0856dbece93a5c8e19c7;p=urcu.git

diff --git a/configure.ac b/configure.ac
index 3d772e3..20c2689 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 
-AC_INIT([userspace-rcu], [0.2.3], [mathieu dot desnoyers at polymtl dot ca])
+AC_INIT([userspace-rcu], [0.3.0], [mathieu dot desnoyers at polymtl dot ca])
 AC_CONFIG_AUX_DIR([config])
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
@@ -16,6 +16,8 @@ AC_CONFIG_HEADERS([config.h urcu/config.h])
 AH_TEMPLATE([CONFIG_URCU_SMP], [Enable SMP support. With SMP support enabled, uniprocessors are also supported. With SMP support disabled, UP systems work fine, but the behavior of SMP systems is undefined.])
 AH_TEMPLATE([CONFIG_URCU_HAVE_FENCE], [Defined when on a system that has memory fence instructions.])
 AH_TEMPLATE([CONFIG_URCU_HAVE_FUTEX], [Defined when on a system with futex support.])
+AH_TEMPLATE([CONFIG_URCU_COMPAT_ARCH], [Compatibility mode for i386 which lacks
+cmpxchg instruction.])
 
 # Checks for programs.
 AC_PROG_CC
@@ -35,9 +37,9 @@ AC_CHECK_FUNCS([bzero gettimeofday munmap strtoul])
 # Find arch type
 case $target_cpu in
 	i386) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;;
-	i486) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;;
-	i586) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;;
-	i686) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;;
+	i486) ARCHTYPE="x86";;
+	i586) ARCHTYPE="x86";;
+	i686) ARCHTYPE="x86";;
 	x86_64) ARCHTYPE="x86";;
 	powerpc) ARCHTYPE="ppc" ;;
 	ppc64) ARCHTYPE="ppc" ;;
@@ -45,6 +47,7 @@ case $target_cpu in
 	ppc) ARCHTYPE="ppc" ;;
 	s390) ARCHTYPE="s390" ;;
 	s390x) ARCHTYPE="s390" ;;
+	sparc64) ARCHTYPE="sparc64" ;;
 	*) ARCHTYPE="unknown";;
 esac
 
@@ -94,6 +97,14 @@ AM_CONDITIONAL([GCC_API], [test "x$ARCHTYPE" != xx86 -a "x$ARCHTYPE" != xppc])
 
 AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = xx86compat ])
 
+[
+if test "x$SUBARCHTYPE" = xx86compat; then
+]
+	AC_DEFINE([CONFIG_URCU_COMPAT_ARCH], [1])
+[
+fi
+]
+
 AC_ARG_ENABLE([smp-support], [  --disable-smp-support   Disable SMP support. Warning: only use this
                           on uniprocessor systems. [[default=enabled]]], [def_smp_support=$enableval], [def_smp_support="yes"])