AC_PREREQ(2.59)
-AC_INIT([userspace-rcu],[0.11.0-pre],[mathieu dot desnoyers at efficios dot com], [], [http://liburcu.org/])
+AC_INIT([userspace-rcu],[0.12.1],[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], [6:0:0])
+AC_SUBST([URCU_LIBRARY_VERSION], [7:0:1])
AC_CONFIG_HEADERS([include/config.h include/urcu/config.h])
AC_CONFIG_AUX_DIR([config])
AC_CANONICAL_TARGET
AC_CANONICAL_HOST
-AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip nostdinc])
+AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip nostdinc])
AM_MAINTAINER_MODE([enable])
# Enable silent rules if available (Introduced in AM 1.11)
AH_TEMPLATE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [clock_gettime() is detected.])
AH_TEMPLATE([CONFIG_RCU_FORCE_SYS_MEMBARRIER], [Require the operating system to support the membarrier system call for default and bulletproof flavors.])
AH_TEMPLATE([CONFIG_RCU_DEBUG], [Enable internal debugging self-checks. Introduce performance penalty.])
+AH_TEMPLATE([CONFIG_CDS_LFHT_ITER_DEBUG], [Enable extra debugging checks for lock-free hash table iterator traversal. Alters the rculfhash ABI. Make sure to compile both library and application with matching configuration.])
# Allow requiring the operating system to support the membarrier system
# call. Applies to default and bulletproof flavors.
[def_compiler_tls=$enableval],
[def_compiler_tls="yes"])
-# If not overridden, use ax_tls.m4 to check if TLS is available.
-AS_IF([test "x$def_compiler_tls" = "xyes"],
- [AX_TLS([def_tls_detect=$ac_cv_tls], [:])],
- [:])
-
-AS_IF([test "x$def_tls_detect" = "x"],
- [:],
- [AC_DEFINE_UNQUOTED([CONFIG_RCU_TLS], $def_tls_detect)])
-
# Checks for C compiler
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
AC_PROG_CC_STDC
+AS_IF([test "x$def_compiler_tls" = "xyes"], AC_DEFINE([CONFIG_RCU_TLS], [1]), [:])
+
# Checks for programs.
AC_PROG_AWK
AC_PROG_MAKE_SET
AC_DEFINE([CONFIG_RCU_DEBUG], [1])
])
+# rculfhash iterator debugging
+AC_ARG_ENABLE([cds-lfht-iter-debug],
+ AS_HELP_STRING([--enable-cds-lfht-iter-debug], [Enable extra debugging checks for lock-free hash table iterator traversal. Alters the rculfhash ABI. Make sure to compile both library and application with matching configuration.]))
+AS_IF([test "x$enable_cds_lfht_iter_debug" = "xyes"], [
+ AC_DEFINE([CONFIG_CDS_LFHT_ITER_DEBUG], [1])
+])
+
# From the sched_setaffinity(2)'s man page:
# ~~~~
# The CPU affinity system calls were introduced in Linux kernel 2.5.8.
#include <sched.h>
int main()
{
- cpu_set_t foo, mask; CPU_SET(0, &foo);
+ cpu_set_t foo; CPU_SET(0, &foo);
return 0;
}
]])
AM_CPPFLAGS="-include config.h"
AC_SUBST(AM_CPPFLAGS)
-AM_CFLAGS="-Wall $AM_CFLAGS"
+AM_CFLAGS="-Wall -Wextra -Wno-unused-parameter $AM_CFLAGS"
AC_SUBST(AM_CFLAGS)
AC_CONFIG_LINKS([
PPRINT_PROP_BOOL([Futex support], $value)
# TLS
-test "x$def_tls_detect" = "x" && value="pthread_getspecific()" || value="$def_tls_detect"
+test "x$def_compiler_tls" = "xyes" && value="compiler TLS" || value="pthread_getspecific()"
PPRINT_PROP_STRING([Thread Local Storage (TLS)], [$value])
# clock_gettime() available
test "x$enable_rcu_debug" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([Internal debugging], $value)
+# rculfhash iterator debug enabled/disabled
+test "x$enable_cds_lfht_iter_debug" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Lock-free hash table iterator debugging], $value)
+
+PPRINT_PROP_BOOL([Multi-flavor support], 1)
+
report_bindir="`eval eval echo $bindir`"
report_libdir="`eval eval echo $libdir`"