[0.99.28] purge shm registry on make install

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@833 0c269be4-1314-0410-8aa9-9f06e86f4224

configure.ac

@@ -15,7 +15,7 @@ dnl                 changes are made
 dnl ---
 JACK_MAJOR_VERSION=0
 JACK_MINOR_VERSION=99
-JACK_MICRO_VERSION=27
+JACK_MICRO_VERSION=28
 
 dnl ---
 dnl HOWTO: updating the jack protocol version
@@ -148,9 +148,14 @@ if test "x$TRY_POSIX_SHM" = "xyes"
 then
 	AC_MSG_RESULT([POSIX shm_open().])
 	AC_DEFINE(USE_POSIX_SHM,1,[Use POSIX shared memory interface])
+	USE_POSIX_SHM="true"
 else
 	AC_MSG_RESULT([System V shmget().])
+	JACK_SHM_REGISTRY_KEY=0x00282929
+	AC_SUBST(JACK_SHM_REGISTRY_KEY)
+	USE_POSIX_SHM="false"
 fi
+AM_CONDITIONAL(USE_POSIX_SHM, $USE_POSIX_SHM)
 
 JACK_CORE_CFLAGS="-I\$(top_builddir)/config -I\$(top_srcdir) \
 -I\$(top_builddir) -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -Wall"

jack/version.h.in

@@ -18,3 +18,7 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 #define jack_protocol_version @JACK_PROTOCOL_VERSION@
+
+#ifndef USE_POSIX_SHM
+#define JACK_SHM_REGISTRY_KEY @JACK_SHM_REGISTRY_KEY@
+#endif

libjack/Makefile.am

@@ -1,5 +1,14 @@
 MAINTAINERCLEANFILES    = Makefile.in
 
+if USE_POSIX_SHM
+install-exec-hook:
+	@echo "Nothing to make for $@."
+else
+install-exec-hook:
+	@echo "Removing JACK shared memory registry."
+	ipcrm -M @JACK_SHM_REGISTRY_KEY@
+endif
+
 SOURCE_FILES = \
 	     client.c \
 	     driver.c \

libjack/shm.c

@@ -451,8 +451,6 @@ jack_resize_shm (jack_shm_info_t* si, jack_shmsize_t size)
 
 #else /* USE_POSIX_SHM */
 
-#define JACK_SHM_REGISTRY_KEY 0x282929
-
 /* gain addressibility to shared memory registration segment */
 int
 jack_initialize_shm (void)