AC_PREREQ(2.59)
-AC_INIT([userspace-rcu],[0.12.0],[mathieu dot desnoyers at efficios dot com], [], [http://liburcu.org/])
+AC_INIT([userspace-rcu],[0.12.2],[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
AH_TEMPLATE([CONFIG_RCU_TLS], [TLS provided by the compiler.])
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_RCU_DEBUG], [Enable internal debugging self-checks. Introduces a 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
# Checks for C compiler
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
-AC_PROG_CC_STDC
-
-# 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], $def_tls_detect)])
+# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
+m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
+AS_IF([test "x$def_compiler_tls" = "xyes"], AC_DEFINE([CONFIG_RCU_TLS], [1]), [:])
# Checks for programs.
AC_PROG_AWK
# RCU debugging option
AC_ARG_ENABLE([rcu-debug],
AS_HELP_STRING([--enable-rcu-debug], [Enable internal debugging
- self-checks. Introduce performance penalty.]))
+ self-checks. Introduces a performance penalty.]))
AS_IF([test "x$enable_rcu_debug" = "xyes"], [
AC_DEFINE([CONFIG_RCU_DEBUG], [1])
])
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