gnustep-base (1.20.1-6) hppa-pthread-alignment.patch

2010-08-19  Richard Frith-Macdonald  <rfm@gnu.org>

	* configure.ac: Check alignment of pthread types
	* Headers/Additions/GNUstepBase/GSConfig.h.in: Record alignment


--- gnustep-base-1.20.1.orig/Headers/Additions/GNUstepBase/GSConfig.h.in
+++ gnustep-base-1.20.1/Headers/Additions/GNUstepBase/GSConfig.h.in
@@ -212,10 +212,10 @@
  */
 typedef	struct {
   uint8_t	dummy[@GS_SIZEOF_COND_T@];
-} gs_cond_t;
+} gs_cond_t	__attribute__((aligned (@GS_ALIGNOF_COND_T@)));
 typedef	struct {
   uint8_t	dummy[@GS_SIZEOF_MUTEX_T@];
-} gs_mutex_t;
+} gs_mutex_t	__attribute__((aligned (@GS_ALIGNOF_MUTEX_T@)));
 
 #define	OBJC2RUNTIME @OBJC2RUNTIME@
 #define BASE_NATIVE_OBJC_EXCEPTIONS     @BASE_NATIVE_OBJC_EXCEPTIONS@
--- gnustep-base-1.20.1.orig/configure.ac
+++ gnustep-base-1.20.1/configure.ac
@@ -1787,6 +1787,20 @@
   fi
   GS_SIZEOF_COND_T=$ac_cv_sizeof_pthread_cond_t
   AC_SUBST(GS_SIZEOF_COND_T)
+  AC_CHECK_ALIGNOF(pthread_mutex_t,,[AC_INCLUDES_DEFAULT
+#include <pthread.h>])
+  GS_ALIGNOF_MUTEX_T=$ac_cv_alignof_pthread_mutex_t
+  if test $ac_cv_alignof_pthread_mutex_t = 0 ; then
+    AC_MSG_ERROR([Unable to find align of pthread_mutex_t (required).])
+  fi
+  AC_SUBST(GS_ALIGNOF_MUTEX_T)
+  AC_CHECK_ALIGNOF(pthread_cond_t,,[AC_INCLUDES_DEFAULT
+#include <pthread.h>])
+  if test $ac_cv_alignof_pthread_cond_t = 0 ; then
+    AC_MSG_ERROR([Unable to find align of pthread_cond_t (required).])
+  fi
+  GS_ALIGNOF_COND_T=$ac_cv_alignof_pthread_cond_t
+  AC_SUBST(GS_ALIGNOF_COND_T)
 else
   AC_MSG_ERROR([Unable to find pthread.h (needed for thread support).])
 fi