configure: host specific config

[urcu.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 5dc94f39afc4bdf8aab7a41478ece34e21a3d2a3..30d2056656ed471727311899b9ddba7b50fe517e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@ m4_define([urcu_lib_version], urcu_lib_version_current[:]urcu_lib_version_revisi
 ## Autoconf base setup ##
 ##                     ##
 
-AC_PREREQ(2.59)
+AC_PREREQ([2.69])
 AC_INIT([userspace-rcu],[urcu_version],[mathieu dot desnoyers at efficios dot com],[],[http://liburcu.org/])
 
 AC_CONFIG_HEADERS([include/config.h include/urcu/config.h])
@@ -34,13 +34,26 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
 
-AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip nostdinc])
+
+##                     ##
+## Automake base setup ##
+##                     ##
+
+AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip nostdinc -Wall -Wno-portability -Werror])
 AM_MAINTAINER_MODE([enable])
 
-# Enable silent rules if available (Introduced in AM 1.11)
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+# Enable silent rules by default
+AM_SILENT_RULES([yes])
+
+
+##                               ##
+## OS and Arch specific defaults ##
+##                               ##
+
+AS_CASE([$host],
+  [*-cygwin*], [LT_NO_UNDEFINED="-no-undefined"]
+)
 
-AC_REQUIRE_AUX_FILE([tap-driver.sh])
 
 AH_TEMPLATE([CONFIG_RCU_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_RCU_TLS], [TLS provided by the compiler.])
@@ -136,11 +149,6 @@ AC_CHECK_HEADERS([ \
        sys/time.h \
 ])
 
-AS_CASE([$host],[*-cygwin*],
-       [AM_CONDITIONAL(USE_CYGWIN, true)],
-       [AM_CONDITIONAL(USE_CYGWIN, false)]
-)
-
 # Search for clock_gettime
 AC_SEARCH_LIBS([clock_gettime], [rt], [
        AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
@@ -280,6 +288,8 @@ AC_CHECK_FUNCS([sched_setaffinity],[
 # Library versions for libtool
 AC_SUBST([URCU_LIBRARY_VERSION], [urcu_lib_version])
 
+AC_SUBST(LT_NO_UNDEFINED)
+
 AM_CPPFLAGS="-include config.h"
 AC_SUBST(AM_CPPFLAGS)