Add (ok, fix) support for DTrace under OS X

(cherry picked from commit 8428a57184f542941d2c8c90e97d18e111a69dd2)

.gitignore

@@ -45,6 +45,7 @@ xorg-server.pc
 xorg-server-*.tar.bz2
 xorg-server-*.tar.gz
 stamp-h?
+dix/Xserver-dtrace.h
 do-not-use-config.h
 do-not-use-config.h.in
 dix/dix.c

configure.ac

@@ -85,12 +85,6 @@ dnl ISDN trace program named dtrace
 AC_ARG_WITH(dtrace, AS_HELP_STRING([--with-dtrace=PATH],
 	     [Enable dtrace probes (default: enabled if dtrace found)]),
 	     [WDTRACE=$withval], [WDTRACE=auto])
-dnl Darwin 9 has dtrace, but it doesn't support compilation into ELF...
-if test "x$WDTRACE" = xauto; then
-	case $host_os in
-		darwin*) WDTRACE="no" ;;
-	esac
-fi
 if test "x$WDTRACE" = "xyes" -o "x$WDTRACE" = "xauto" ; then
 	AC_PATH_PROG(DTRACE, [dtrace], [not_found], [$PATH:/usr/sbin])
 	if test "x$DTRACE" = "xnot_found" ; then
@@ -1250,7 +1244,7 @@ AC_DEFINE(XSYNC, 1, [Support XSync extension])
 AC_DEFINE(XCMISC, 1, [Support XCMisc extension])
 AC_DEFINE(BIGREQS, 1, [Support BigRequests extension])
 
-if test "x$WDTRACE" != "xno" ; then
+if test "x$WDTRACE" != "xno" && test "x$XQUARTZ" = "xno"; then
   DIX_LIB='$(top_builddir)/dix/dix.O'
   OS_LIB='$(top_builddir)/os/os.O'
 else

dix/Makefile.am

@@ -54,6 +54,7 @@ Xserver-dtrace.h: $(srcdir)/Xserver.d
 	$(DTRACE) -C -h -o $@ -s $(srcdir)/Xserver.d \
 		|| cp Xserver-dtrace.h.in $@
 
+if !XQUARTZ	
 # Generate dtrace object code for probes in libdix
 dtrace-dix.o: $(top_srcdir)/dix/Xserver.d $(am_libdix_la_OBJECTS)
 	$(DTRACE) -G -C -o $@ -s $(top_srcdir)/dix/Xserver.d $(am_libdix_la_OBJECTS:%.lo=.libs/%.o)
@@ -63,6 +64,7 @@ noinst_PROGRAMS = dix.O
 dix.O: dtrace-dix.o $(am_libdix_la_OBJECTS)
 	ld -r -o $@ $(am_libdix_la_OBJECTS:%.lo=.libs/%.o)
 endif
+endif
 
 dix.c:
 	touch $@

dix/Xserver.d

@@ -29,8 +29,13 @@
 /*
  * Xserver dtrace provider definition
  */
-
+#ifdef __APPLE__
+#define string char *
+#define pid_t uint32_t
+#define zoneid_t uint32_t
+#else
 #include <sys/types.h>
+#endif
 
 provider Xserver {
 	/* reqType, data, length, client id, request buffer */

os/Makefile.am

@@ -41,6 +41,7 @@ endif
 EXTRA_DIST = $(SECURERPC_SRCS) $(INTERNALMALLOC_SRCS) \
      $(XDMCP_SRCS) $(STRLCAT_SRCS)
 
+if !XQUARTZ
 if XSERVER_DTRACE
 # Generate dtrace object code for probes in libos & libdix
 dtrace.o: $(top_srcdir)/dix/Xserver.d $(am_libos_la_OBJECTS)
@@ -51,6 +52,7 @@ noinst_PROGRAMS = os.O
 os.O: dtrace.o $(am_libos_la_OBJECTS)
 	ld -r -o $@ dtrace.o .libs/*.o
 endif
+endif
 
 os.c:
 	touch $@