AC_PREREQ(2.59)
-AC_INIT([userspace-rcu],[0.9.1],[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])
AH_TEMPLATE([CONFIG_RCU_COMPAT_ARCH], [Compatibility mode for i386 which lacks cmpxchg instruction.])
AH_TEMPLATE([CONFIG_RCU_ARM_HAVE_DMB], [Use the dmb instruction if available for use on ARM.])
AH_TEMPLATE([CONFIG_RCU_TLS], [TLS provided by the compiler.])
+AH_TEMPLATE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [clock_gettime() is detected.])
# Allow overriding storage used for TLS variables.
AC_ARG_ENABLE([compiler-tls],
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], [$NPROC_CMD])
+
LT_INIT
# Checks for typedefs, structures, and compiler characteristics.
[AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
-LIBS="$PTHREAD_LIBS $LIBS"
-CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-CC="$PTHREAD_CC"
+
+AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS"
# Checks for library functions.
-AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_FUNC_FORK
AC_CHECK_FUNCS([ \
atexit \
- clock_gettime \
getcpuid \
gettid \
gettimeofday \
sysconf \
])
+# AC_FUNC_MALLOC causes problems when cross-compiling.
+#AC_FUNC_MALLOC
+
# Check for headers
AC_HEADER_STDBOOL
AC_CHECK_HEADERS([ \
[alpha*], [ARCHTYPE="alpha"],
[ia64], [ARCHTYPE="ia64"],
[arm*], [ARCHTYPE="arm"],
- [aarch64], [ARCHTYPE="aarch64"],
+ [aarch64*], [ARCHTYPE="aarch64"],
[mips*], [ARCHTYPE="mips"],
[tile*], [ARCHTYPE="tile"],
[hppa*], [ARCHTYPE="hppa"],
[AM_CONDITIONAL(TARGET_IS_ANDROID, false)]
)
+AS_CASE([$host],[*-cygwin*],
+ [AM_CONDITIONAL(USE_CYGWIN, true)],
+ [AM_CONDITIONAL(USE_CYGWIN, false)]
+)
+
AC_SUBST(ARCHTYPE)
AC_SUBST(SUBARCHTYPE)
])
AS_IF([test "$host_cpu" = "armv7l"],[
- CFLAGS="$CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
+ AM_CFLAGS="$AM_CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
])
# ARM-specific checks
compat_futex_test=1
])
+# Search for clock_gettime
+AC_SEARCH_LIBS([clock_gettime], [rt], [
+ AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
+], [])
+
# Check for pthread
AC_CHECK_LIB([pthread], [pthread_create],
[AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, false)],
# Since we define _GNU_SOURCE in the sources, must do so too in the
# autoconf tests, as defining _GNU_SOURCE or not exposes
# sched_setaffinity bits differently.
-saved_CFLAGS=$CFLAGS
-CFLAGS="$CFLAGS -D_GNU_SOURCE"
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $AM_CFLAGS -D_GNU_SOURCE"
AC_CHECK_TYPES([cpu_set_t],
[have_cpu_set_t="yes"],
])
CFLAGS=$saved_CFLAGS
+AC_SUBST(AM_CFLAGS)
AC_CONFIG_LINKS([
urcu/arch.h:$ARCHSRC