Version 0.10.0

[urcu.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 8ac0c4172682668f70fd1e9d158d8c15f2b931e7..89606d5bc3e36fbbd5bde74993d665a99c606275 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,9 +1,9 @@
 AC_PREREQ(2.59)
-AC_INIT([userspace-rcu],[0.10.0-pre],[mathieu dot desnoyers at efficios dot com], [], [http://liburcu.org/])
+AC_INIT([userspace-rcu],[0.10.0],[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], [5:0:1])
+AC_SUBST([URCU_LIBRARY_VERSION], [6:0:0])
 
 AC_CONFIG_HEADERS([include/config.h include/urcu/config.h])
 AC_CONFIG_AUX_DIR([config])
@@ -26,6 +26,7 @@ AH_TEMPLATE([CONFIG_RCU_ARM_HAVE_DMB], [Use the dmb instruction if available for
 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.])
 
 # Allow requiring the operating system to support the membarrier system
 # call. Applies to default and bulletproof flavors.
@@ -88,9 +89,8 @@ 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_MMAP
@@ -148,6 +148,7 @@ AS_CASE([$host_cpu],
        [nios2*], [ARCHTYPE="nios2"],
        [tile*], [ARCHTYPE="tile"],
        [hppa*], [ARCHTYPE="hppa"],
+       [m68k], [ARCHTYPE="m68k"],
        [ARCHTYPE="unknown"]
 )
 
@@ -167,7 +168,7 @@ 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
@@ -215,8 +216,10 @@ AS_IF([test "x$ARCHTYPE" = "xx86"],[
        AS_IF([test "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu" != "xi586" -a "x$host_cpu" != "xi686" -a "x$host_vendor" != "xk1om" -a "x$host_cpu" != "xk1om"],[
                AC_MSG_RESULT([yes])
                AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1])
+               config_rcu_have_fence=yes
        ],[
                AC_MSG_RESULT([no])
+               config_rcu_have_fence=no
        ])
 ])
 
@@ -240,6 +243,7 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 # Search for clock_gettime
 AC_SEARCH_LIBS([clock_gettime], [rt], [
        AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
+       config_rcu_have_clock_gettime=yes
 ], [])
 
 AM_CONDITIONAL([COMPAT_FUTEX], [test "x$compat_futex_test" = "x1"])
@@ -253,6 +257,13 @@ AC_ARG_ENABLE([smp-support],
        [def_smp_support="yes"])
 AS_IF([test "x$def_smp_support" = "xyes"], [AC_DEFINE([CONFIG_RCU_SMP], [1])])
 
+# RCU debugging option
+AC_ARG_ENABLE([rcu-debug],
+      AS_HELP_STRING([--enable-rcu-debug], [Enable internal debugging
+                     self-checks. Introduce performance penalty.]))
+AS_IF([test "x$enable_rcu_debug" = "xyes"], [
+       AC_DEFINE([CONFIG_RCU_DEBUG], [1])
+])
 
 # From the sched_setaffinity(2)'s man page:
 # ~~~~
@@ -356,8 +367,11 @@ AC_CHECK_FUNCS([sched_setaffinity],[
        ])
 ])
 
-DEFAULT_INCLUDES="-include config.h"
-AC_SUBST(DEFAULT_INCLUDES)
+AM_CPPFLAGS="-include config.h"
+AC_SUBST(AM_CPPFLAGS)
+
+AM_CFLAGS="-Wall $AM_CFLAGS"
+AC_SUBST(AM_CFLAGS)
 
 AC_CONFIG_LINKS([
        include/urcu/arch.h:$ARCHSRC
@@ -385,15 +399,56 @@ AC_CONFIG_FILES([
 ])
 AC_OUTPUT
 
-# Report on selected configure options
-AS_IF([test "x$def_smp_support" = "xyes"],[
-       AS_ECHO("SMP support enabled.")
-],[
-       AS_ECHO("SMP support disabled.")
-])
+#
+# Mini-report on what will be built.
+#
+
+PPRINT_INIT
+PPRINT_SET_INDENT(1)
+PPRINT_SET_TS(38)
+
+AS_ECHO
+AS_ECHO("${PPRINT_COLOR_BLDBLU}Userspace-RCU $PACKAGE_VERSION${PPRINT_COLOR_RST}")
+AS_ECHO
+
+PPRINT_SUBTITLE([Features])
+
+PPRINT_PROP_STRING([Target architecture], $host_cpu)
+
+# SMP support enabled/disabled
+test "x$def_smp_support" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([SMP support], $value)
+
+# Memory fence support available
+test "x$config_rcu_have_fence" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Memory fence instructions], $value)
+
+# Futex support available
+test "x$compat_futex_test" = "x0" && value=1 || value=0
+PPRINT_PROP_BOOL([Futex support], $value)
+
+# TLS
+test "x$def_tls_detect" = "x" && value="pthread_getspecific()" || value="$def_tls_detect"
+PPRINT_PROP_STRING([Thread Local Storage (TLS)], [$value])
+
+# clock_gettime() available
+test "x$config_rcu_have_clock_gettime" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([clock_gettime()], $value)
+
+# Require membarrier
+test "x$def_sys_membarrier_fallback" != "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Require membarrier], $value)
+
+# RCU debug enabled/disabled
+test "x$enable_rcu_debug" = "xyes" && value=1 || value=0
+PPRINT_PROP_BOOL([Internal debugging], $value)
+
+report_bindir="`eval eval echo $bindir`"
+report_libdir="`eval eval echo $libdir`"
+
+# Print the bindir and libdir this `make install' will install into.
+AS_ECHO
+PPRINT_SUBTITLE([Install directories])
+PPRINT_PROP_STRING([Binaries], [$report_bindir])
+PPRINT_PROP_STRING([Libraries], [$report_libdir])
 
-AS_IF([test "x$def_tls_detect" = "x"],[
-       AS_ECHO("Thread Local Storage (TLS): pthread_getspecific().")
-],[
-       AS_ECHO("Thread Local Storage (TLS): $def_tls_detect.")
-])