X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=configure.ac;h=57e696d01a3dc5407f24b3d297e3acf4ef921062;hp=f18d95b7fa5ce4d7db8eced08e9d71af5bbf812f;hb=1b3874915095deab4aa9be0f33423e992e571bb7;hpb=657e7f898de916a8b2bfa375ee2605f2776d825e

diff --git a/configure.ac b/configure.ac
index f18d95b..57e696d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,19 +2,22 @@
 # Process this file with autoconf to produce a configure script.
 
 
-AC_INIT([userspace-rcu],[0.6.7],[mathieu dot desnoyers at efficios dot com])
+AC_INIT([userspace-rcu],[0.8.0],[mathieu dot desnoyers at efficios dot com])
 
 # 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], [1:0:0])
+AC_SUBST([URCU_LIBRARY_VERSION], [3:0:0])
 
 AC_CONFIG_AUX_DIR([config])
 AC_CONFIG_MACRO_DIR([config])
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
+AM_MAINTAINER_MODE([enable])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
+m4_include([config/ax_tls.m4])
+
 AC_CONFIG_SRCDIR([urcu.h])
 
 AC_CONFIG_HEADERS([config.h urcu/config.h])
@@ -24,6 +27,22 @@ AH_TEMPLATE([CONFIG_RCU_HAVE_FENCE], [Defined when on a system that has memory f
 AH_TEMPLATE([CONFIG_RCU_HAVE_FUTEX], [Defined when on a system with futex support.])
 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.])
+
+# Allow overriding storage used for TLS variables.
+AC_ARG_ENABLE([compiler-tls],
+	AS_HELP_STRING([--disable-compiler-tls], [Use pthread_getspecific() to emulate Thread Local Storage (TLS) variables.]),
+	[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 programs.
 AC_PROG_CC
@@ -34,11 +53,20 @@ LT_INIT
 AC_C_INLINE
 AC_TYPE_PID_T
 AC_TYPE_SIZE_T
+AC_TYPE_INT32_T
+AC_TYPE_UINT32_T
+AC_TYPE_UINT64_T
+AC_TYPE_UINT8_T
 
 # Checks for library functions.
 AC_FUNC_MALLOC
 AC_FUNC_MMAP
-AC_CHECK_FUNCS([bzero gettimeofday munmap sched_getcpu strtoul sysconf])
+AC_CHECK_FUNCS(
+	[bzero gettimeofday munmap sched_getcpu strtoul sysconf gettid memeset strerror]
+)
+
+# Check for headers
+AC_CHECK_HEADERS([limits.h stddef.h sys/time.h])
 
 # Find arch type
 AS_CASE([$host_cpu],
@@ -51,16 +79,27 @@ AS_CASE([$host_cpu],
 	[powerpc], [ARCHTYPE="ppc"],
 	[ppc64], [ARCHTYPE="ppc"],
 	[powerpc64], [ARCHTYPE="ppc"],
+	[powerpc64le], [ARCHTYPE="gcc"],
 	[ppc], [ARCHTYPE="ppc"],
 	[s390], [ARCHTYPE="s390"],
 	[s390x], [ARCHTYPE="s390"],
+	[sparc], [ARCHTYPE="sparc64"],
 	[sparc64], [ARCHTYPE="sparc64"],
 	[alpha*], [ARCHTYPE="alpha"],
 	[ia64], [ARCHTYPE="gcc"],
 	[arm*], [ARCHTYPE="arm"],
+	[aarch64], [ARCHTYPE="gcc"],
+	[mips*], [ARCHTYPE="mips"],
+	[tile*], [ARCHTYPE="gcc"],
+	[hppa*], [ARCHTYPE="hppa"],
 	[ARCHTYPE="unknown"]
 )
 
+AS_CASE([$host],[*-*-linux-androideabi],
+	[AM_CONDITIONAL(TARGET_IS_ANDROID, true)],
+	[AM_CONDITIONAL(TARGET_IS_ANDROID, false)]
+)
+
 AC_SUBST(ARCHTYPE)
 AC_SUBST(SUBARCHTYPE)
 
@@ -78,7 +117,14 @@ AS_IF([test "$host_cpu" = "armv7l"],[
 # ARM-specific checks
 AS_IF([test "x$ARCHTYPE" = "xarm"],[
 	AC_MSG_CHECKING([for dmb instruction])
-	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]], [[asm volatile("dmb":::"memory");]])],[
+	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+				int main()
+				{
+					asm volatile("dmb":::"memory");
+					return 0;
+				}
+		]])
+	],[
 		AC_MSG_RESULT([yes])
 		AC_DEFINE([CONFIG_RCU_ARM_HAVE_DMB], [1])
 	],[
@@ -86,13 +132,31 @@ AS_IF([test "x$ARCHTYPE" = "xarm"],[
 	])
 ])
 
+# Tile-specific checks
+AS_IF([echo "$host_cpu" | grep "^tile"],[
+	AC_MSG_CHECKING([for Tile architecture type])
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+				#ifndef __tilegx__
+				#error
+				#endif
+		]])
+	],[
+		AC_MSG_RESULT([ok])
+	],[
+		AC_MSG_FAILURE([URCU has only been tested on the TileGx architecture. For other Tile* architectures, please run the tests first and report the results to the maintainer so that proper support can be added.])
+	])
+])
+
 # x86-specific checks
 AS_IF([test "x$ARCHTYPE" = "xx86"],[
 	AC_MSG_CHECKING([if architecture really supports the mfence instruction])
 	#For now, using lock; addl compatibility mode even for i686, because the
 	#Pentium III is seen as a i686, but lacks mfence instruction.
 	#Only using fence for x86_64.
-	AS_IF([test "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu" != "xi586" -a "x$host_cpu" != "xi686"],[
+	#
+	#k1om is the name for the Intel MIC family (Xeon Phi). It is an x86_64
+	#variant but lacks fence instructions.
+	AS_IF([test "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu" != "xi586" -a "x$host_cpu" != "xi686" -a "x$host_vendor" != "xk1om"],[
 		AC_MSG_RESULT([yes])
 		AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1])
 	],[
@@ -102,12 +166,12 @@ AS_IF([test "x$ARCHTYPE" = "xx86"],[
 
 # Check if sys_futex() is available
 AC_MSG_CHECKING([for sys_futex()])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 		#include <sys/syscall.h>
 		#ifndef __NR_futex
 		#error "futexes not available"
 		#endif
-	])
+	]])
 ],[
 	AC_MSG_RESULT([yes])
 	AC_DEFINE([CONFIG_RCU_HAVE_FUTEX], [1])
@@ -117,8 +181,18 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 	compat_futex_test=1
 ])
 
+# Check for pthread
+AC_CHECK_LIB([pthread], [pthread_create],
+	[AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, false)],
+	[AC_CHECK_LIB([c], [pthread_create],
+		[AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, true)],
+		[AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])]
+	)]
+)
+
 AM_CONDITIONAL([COMPAT_FUTEX], [test "x$compat_futex_test" = "x1"])
 AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = "xx86compat"])
+AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
 
 # smp-support configure option
 AC_ARG_ENABLE([smp-support], 
@@ -160,6 +234,49 @@ AS_IF([test "x$def_smp_support" = "xyes"], [AC_DEFINE([CONFIG_RCU_SMP], [1])])
 saved_CFLAGS=$CFLAGS
 CFLAGS="$CFLAGS -D_GNU_SOURCE"
 
+AC_CHECK_TYPES([cpu_set_t],
+	[have_cpu_set_t="yes"],
+	[have_cpu_set_t="no"],
+	[#include <sched.h>])
+
+# Confirm that we have CPU_ZERO, and it actually works.
+AC_MSG_CHECKING([whether CPU_ZERO works])
+AH_TEMPLATE([HAVE_CPU_ZERO], [Defined to 1 if we have CPU_ZERO and it works])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+		#define _GNU_SOURCE
+		#include <sched.h>
+		int main()
+		{
+			cpu_set_t foo; CPU_ZERO(&foo);
+			return 0;
+		}
+	]])
+],[
+	AC_DEFINE(HAVE_CPU_ZERO, 1)
+	AC_MSG_RESULT([yes])
+],[
+	AC_MSG_RESULT([no])
+])
+
+# Confirm that we have CPU_SET, and it actually works.
+AC_MSG_CHECKING([whether CPU_SET works])
+AH_TEMPLATE([HAVE_CPU_SET], [Defined to 1 if we have CPU_SET and it works])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+		#define _GNU_SOURCE
+		#include <sched.h>
+		int main()
+		{
+			cpu_set_t foo, mask; CPU_SET(0, &foo);
+			return 0;
+		}
+	]])
+],[
+	AC_DEFINE(HAVE_CPU_SET, 1)
+	AC_MSG_RESULT([yes])
+],[
+	AC_MSG_RESULT([no])
+])
+
 # First check if the function is available at all.
 AC_CHECK_FUNCS([sched_setaffinity],[
 	# Okay, we have it.  Check if also have cpu_set_t.  If we don't,
@@ -168,44 +285,31 @@ AC_CHECK_FUNCS([sched_setaffinity],[
 	# version with 2 or 3 arguments.  In that case, CPU_ZERO, etc.,
 	# should also be present, but we confirm nonetheless.
 
-	AC_CHECK_TYPES([cpu_set_t],[
-		# We do have it.  Confirm that we have CPU_ZERO, and it actually works.
-		AC_MSG_CHECKING([whether CPU_ZERO works])
-		AH_TEMPLATE([HAVE_CPU_ZERO], [Defined to 1 if we have CPU_ZERO and it works])
-		AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-				#define _GNU_SOURCE
-				#include <sched.h>
-			]],[[
-				cpu_set_t foo; CPU_ZERO (&foo);
-			]])
-		],[
-			# Works!
-			AC_DEFINE(HAVE_CPU_ZERO, 1)
-			AC_MSG_RESULT([yes])
-		],[
-			AC_MSG_RESULT([no])
-		])
-
+	AS_IF([test "x$have_cpu_set_t" = "xyes"], [
+		# We do have it.
 		# Check how many arguments does sched_setaffinity take.
 		# Should be 3 or 2.
 		AC_MSG_CHECKING([how many arguments sched_setaffinity takes])
 		AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 				#include <sched.h>
-			]],[[
-				cpu_set_t foo;
-				sched_setaffinity (0, sizeof (foo), &foo);
+				int main()
+				{
+					cpu_set_t foo;
+					sched_setaffinity(0, sizeof (foo), &foo);
+					return 0;
+				}
 			]])
 		],
 		[sched_set_affinity_args=3],
 		[sched_set_affinity_args=2])
-		AC_DEFINE_UNQUOTED(SCHED_SETAFFINITY_ARGS, $sched_set_affinity_args,
+		AC_DEFINE_UNQUOTED(SCHED_SETAFFINITY_ARGS,
+			$sched_set_affinity_args,
 			[Defined to sched_setaffinity's number of arguments.])
 		AC_MSG_RESULT([$sched_set_affinity_args])
 	],[
 		# No cpu_set_t, always 3 args.
 		AC_DEFINE(SCHED_SETAFFINITY_ARGS, 3)
-    	],
-    	[#include <sched.h>])
+	])
 ])
 
 CFLAGS=$saved_CFLAGS
@@ -216,7 +320,14 @@ AC_CONFIG_LINKS([
 ])
 AC_CONFIG_FILES([
 	Makefile
+	doc/Makefile
+	doc/examples/Makefile
 	tests/Makefile
+	tests/common/Makefile
+	tests/unit/Makefile
+	tests/benchmark/Makefile
+	tests/regression/Makefile
+	tests/utils/Makefile
 	liburcu.pc
 	liburcu-bp.pc
 	liburcu-cds.pc
@@ -232,3 +343,9 @@ AS_IF([test "x$def_smp_support" = "xyes"],[
 ],[
 	AS_ECHO("SMP support disabled.")
 ])
+
+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.")
+])