Version 0.9.5

[userspace-rcu.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index ae75a3be66f9ec8309f46a6cdb7ed483e83356ad..89df62d9dd7125a8526ed5c8dbc3a50ba47552f3 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,9 +1,9 @@
 AC_PREREQ(2.59)
-AC_INIT([userspace-rcu],[0.9.2],[mathieu dot desnoyers at efficios dot com], [], [http://liburcu.org/])
+AC_INIT([userspace-rcu],[0.9.5],[mathieu dot desnoyers at efficios dot com], [], [http://liburcu.org/])
 
 # Following the numbering scheme proposed by libtool for the library version
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-AC_SUBST([URCU_LIBRARY_VERSION], [4:0:0])
+AC_SUBST([URCU_LIBRARY_VERSION], [5:0:1])
 
 AC_CONFIG_SRCDIR([urcu.h])
 AC_CONFIG_HEADERS([config.h urcu/config.h])
@@ -51,6 +51,16 @@ AC_PROG_CC_STDC
 AC_PROG_AWK
 AC_PROG_MAKE_SET
 AC_CHECK_PROGS(NPROC, [nproc gnproc])
+AC_CHECK_PROGS(GETCONF, [getconf])
+AS_IF([test "x$NPROC" != "x"],
+       [NPROC_CMD=$NPROC],
+       [AS_IF([test "x$GETCONF" != "x"],
+               [NPROC_CMD="$GETCONF _NPROCESSORS_ONLN"],
+               [NPROC_CMD="echo 1"]
+       )]
+)
+AC_SUBST([NPROC_CMD], [$NPROC_CMD])
+
 LT_INIT
 
 # Checks for typedefs, structures, and compiler characteristics.
@@ -70,12 +80,10 @@ AS_IF([test "x$ax_cv___attribute__" = "xyes"],
        [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
 
 AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
-LIBS="$PTHREAD_LIBS $LIBS"
-CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-CC="$PTHREAD_CC"
+
+AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS"
 
 # Checks for library functions.
-AC_FUNC_MALLOC
 AC_FUNC_MMAP
 AC_FUNC_FORK
 AC_CHECK_FUNCS([ \
@@ -92,6 +100,9 @@ AC_CHECK_FUNCS([ \
        sysconf \
 ])
 
+# AC_FUNC_MALLOC causes problems when cross-compiling.
+#AC_FUNC_MALLOC
+
 # Check for headers
 AC_HEADER_STDBOOL
 AC_CHECK_HEADERS([ \
@@ -150,7 +161,7 @@ AS_IF([test "x$SUBARCHTYPE" = xx86compat],[
 ])
 
 AS_IF([test "$host_cpu" = "armv7l"],[
-       CFLAGS="$CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
+       AM_CFLAGS="$AM_CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
 ])
 
 # ARM-specific checks
@@ -275,8 +286,8 @@ AS_IF([test "x$def_smp_support" = "xyes"], [AC_DEFINE([CONFIG_RCU_SMP], [1])])
 # Since we define _GNU_SOURCE in the sources, must do so too in the
 # autoconf tests, as defining _GNU_SOURCE or not exposes
 # sched_setaffinity bits differently.
-saved_CFLAGS=$CFLAGS
-CFLAGS="$CFLAGS -D_GNU_SOURCE"
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $AM_CFLAGS -D_GNU_SOURCE"
 
 AC_CHECK_TYPES([cpu_set_t],
        [have_cpu_set_t="yes"],
@@ -357,6 +368,7 @@ AC_CHECK_FUNCS([sched_setaffinity],[
 ])
 
 CFLAGS=$saved_CFLAGS
+AC_SUBST(AM_CFLAGS)
 
 AC_CONFIG_LINKS([
        urcu/arch.h:$ARCHSRC