[194] trunk

23 Dec 2010

Revision: 194
          http://trac.macosforge.org/projects/libdispatch/changeset/194
Author:   jkh@apple.com
Date:     2010-12-22 17:35:54 -0800 (Wed, 22 Dec 2010)
Log Message:
-----------
...
Mark Heily:
I have attached a collection of patches that allows libdispatch to build on
Linux and Solaris. Many thanks to Joakim Johansson for providing the Solaris
patches and testing everything.
The commands I used to build on Linux are:
CC="clang" LD="llvm-ld-2.8" CFLAGS="-I/usr/local" \
  LDFLAGS="-L/usr/local" LIBS="-lbsd" ./configure && make
The commands Joakim used to build on Solaris are:
./configure CFLAGS="-m64 -I/usr/local/include" \
  LDFLAGS="-L/usr/local/lib?\226?\128?\157 gmake
My Solaris and Linux environments are limping at the moment (dev tools all
horked up in both) so I couldn't do the build tests on anything but Darwin,
but the patches pass the eyeball check in any case.  Also made a small
change to the xcode project to increase buildability (no legacy APIs).

Modified Paths:
--------------
    trunk/configure.ac
    trunk/libdispatch.xcodeproj/project.pbxproj
    trunk/m4/private-extern.m4
    trunk/src/Makefile.am
    trunk/src/queue.c
    trunk/src/shims/getprogname.h
    trunk/src/shims/time.c
    trunk/testing/dispatch_after.c

Modified: trunk/configure.ac
===================================================================

--- trunk/configure.ac	2010-10-24 08:36:30 UTC (rev 193)
+++ trunk/configure.ac	2010-12-23 01:35:54 UTC (rev 194)
@@ -182,6 +182,13 @@
 )
 
 #
+# Check if libpthread_workqueue.so exists
+#
+AC_CHECK_LIB(pthread_workqueue, pthread_workqueue_init_np,
+        have_lpwq=true, have_lpwq=false)
+AM_CONDITIONAL(USE_LIBPTHREAD_WORKQUEUE, $have_lpwq)
+
+#
 # Find functions and declarations we care about.
 #
 AC_CHECK_DECLS([CLOCK_UPTIME, CLOCK_MONOTONIC, CLOCK_REALTIME], [], [],
@@ -193,7 +200,7 @@
 AC_CHECK_DECLS([SIGEMT], [], [], [[#include <signal.h>]])
 AC_CHECK_DECLS([VQ_UPDATE, VQ_VERYLOWDISK], [], [], [[#include <sys/mount.h>]])
 AC_CHECK_DECLS([program_invocation_short_name], [], [], [[#include <errno.h>]])
-AC_CHECK_FUNCS([pthread_key_init_np pthread_main_np mach_absolute_time malloc_create_zone sysconf getprogname])
+AC_CHECK_FUNCS([pthread_key_init_np pthread_main_np mach_absolute_time malloc_create_zone sysconf getprogname getexecname])
 
 AC_CHECK_DECLS([POSIX_SPAWN_START_SUSPENDED],
   [have_posix_spawn_start_suspended=true],

Modified: trunk/libdispatch.xcodeproj/project.pbxproj
===================================================================
--- trunk/libdispatch.xcodeproj/project.pbxproj	2010-10-24 08:36:30 UTC (rev 193)
+++ trunk/libdispatch.xcodeproj/project.pbxproj	2010-12-23 01:35:54 UTC (rev 194)
@@ -328,7 +328,14 @@
 			isa = PBXProject;
 			buildConfigurationList = 1DEB91EF08733DB70010E9CD /* Build configuration list for PBXProject "libdispatch" */;
 			compatibilityVersion = "Xcode 3.1";
+			developmentRegion = English;
 			hasScannedForEncodings = 1;
+			knownRegions = (
+				English,
+				Japanese,
+				French,
+				German,
+			);
 			mainGroup = 08FB7794FE84155DC02AAC07 /* libdispatch */;
 			projectDirPath = "";
 			projectRoot = "";
@@ -403,7 +410,10 @@
 				GCC_ENABLE_CPP_RTTI = NO;
 				GCC_ENABLE_OBJC_EXCEPTIONS = NO;
 				GCC_OPTIMIZATION_LEVEL = s;
-				GCC_PREPROCESSOR_DEFINITIONS = "__DARWIN_NON_CANCELABLE=1";
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DISPATCH_NO_LEGACY=1",
+					"__DARWIN_NON_CANCELABLE=1",
+				);
 				GENERATE_MASTER_OBJECT_FILE = NO;
 				INSTALL_PATH = /usr/local/lib/system;
 				LINK_WITH_STANDARD_LIBRARIES = NO;

Modified: trunk/m4/private-extern.m4
===================================================================
--- trunk/m4/private-extern.m4	2010-10-24 08:36:30 UTC (rev 193)
+++ trunk/m4/private-extern.m4	2010-12-23 01:35:54 UTC (rev 194)
@@ -4,10 +4,12 @@
 #
 AC_DEFUN([DISPATCH_C_PRIVATE_EXTERN], [
 
+AC_LANG_WERROR
+
 AC_CACHE_CHECK([for __attribute__((visibility("hidden")))],
     dispatch_cv_hidden_visibility_attribute, [
-        AC_TRY_LINK([], 
-                    [extern __attribute__ ((visibility ("hidden"))) int foo;],
+	AC_TRY_LINK([int foo; extern __attribute__ ((visibility ("hidden"))) int foo;], 
+		[foo = 0;],
                     [dispatch_cv_hidden_visibility_attribute=yes],
                     [dispatch_cv_hidden_visibility_attribute=no])])
 

Modified: trunk/src/Makefile.am
===================================================================
--- trunk/src/Makefile.am	2010-10-24 08:36:30 UTC (rev 193)
+++ trunk/src/Makefile.am	2010-12-23 01:35:54 UTC (rev 194)
@@ -36,6 +36,10 @@
 libdispatch_la_LIBADD=libshims.la $(KQUEUE_LIBS)
 libdispatch_la_DEPENDENCIES=libshims.la
 
+if USE_LIBPTHREAD_WORKQUEUE
+libdispatch_la_LIBADD+=-lpthread_workqueue
+endif
+
 if USE_MIG
 libdispatch_la_SOURCES+=	\
 	protocolUser.c		\

Modified: trunk/src/queue.c
===================================================================
--- trunk/src/queue.c	2010-10-24 08:36:30 UTC (rev 193)
+++ trunk/src/queue.c	2010-12-23 01:35:54 UTC (rev 194)
@@ -1206,7 +1206,7 @@
 #endif
 #if HAVE_PTHREAD_WORKQUEUES
 		} else {
-			dispatch_assume(_dispatch_root_queue_contexts[i].dgq_kworkqueue);
+			(void)dispatch_assume(_dispatch_root_queue_contexts[i].dgq_kworkqueue);
 		}
 #endif
 	}

Modified: trunk/src/shims/getprogname.h
===================================================================
--- trunk/src/shims/getprogname.h	2010-10-24 08:36:30 UTC (rev 193)
+++ trunk/src/shims/getprogname.h	2010-12-23 01:35:54 UTC (rev 194)
@@ -23,15 +23,19 @@
 #define __DISPATCH_SHIMS_GETPROGNAME__
 
 #ifndef HAVE_GETPROGNAME
-static inline char *
+
+static inline const char *
 getprogname(void)
 {
 # if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
     return program_invocation_short_name;
+#elif HAVE_GETEXECNAME
+    return getexecname();
 # else
 #   error getprogname(3) is not available on this platform
 # endif
 }
+
 #endif /* HAVE_GETPROGNAME */
 
 #endif /* __DISPATCH_SHIMS_GETPROGNAME__ */

Modified: trunk/src/shims/time.c
===================================================================
--- trunk/src/shims/time.c	2010-10-24 08:36:30 UTC (rev 193)
+++ trunk/src/shims/time.c	2010-12-23 01:35:54 UTC (rev 194)
@@ -37,6 +37,10 @@
 	dispatch_assume(QueryPerformanceFrequency(&freq));
 	_dispatch_host_time_data.frac = (long double)NSEC_PER_SEC / (long double)freq.QuadPart;
 	_dispatch_host_time_data.ratio_1_to_1 = (freq.QuadPart == 1);
-#endif /* TARGET_OS_WIN32 */
+#else // TARGET_OS_WIN32 
+	_dispatch_host_time_data.frac = 1.0;
+	_dispatch_host_time_data.ratio_1_to_1 = 1;
+#endif
 }
+
 #endif

Modified: trunk/testing/dispatch_after.c
===================================================================
--- trunk/testing/dispatch_after.c	2010-10-24 08:36:30 UTC (rev 193)
+++ trunk/testing/dispatch_after.c	2010-12-23 01:35:54 UTC (rev 194)
@@ -29,7 +29,7 @@
 #include "dispatch_test.h"
 #include <Block.h>
 
-void done(void *arg __unused) {
+void done(void *arg __attribute__((unused))) {
     sleep(1);
     test_stop();
 }

    

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