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[GNUnet-SVN] r22960 - gnunet/src/include
From: |
gnunet |
Subject: |
[GNUnet-SVN] r22960 - gnunet/src/include |
Date: |
Mon, 30 Jul 2012 09:26:05 +0200 |
Author: grothoff
Date: 2012-07-30 09:26:05 +0200 (Mon, 30 Jul 2012)
New Revision: 22960
Modified:
gnunet/src/include/gnunet_common.h
Log:
fix for gcc alginment issue on sparc reported to Debian as #670578
Modified: gnunet/src/include/gnunet_common.h
===================================================================
--- gnunet/src/include/gnunet_common.h 2012-07-29 21:49:48 UTC (rev 22959)
+++ gnunet/src/include/gnunet_common.h 2012-07-30 07:26:05 UTC (rev 22960)
@@ -178,9 +178,13 @@
*/
#define GNUNET_NORETURN __attribute__((noreturn))
+#if MINGW
#if __GNUC__ > 3
/**
- * gcc 4.x-ism to pack structures even on W32 (to be used before structs)
+ * gcc 4.x-ism to pack structures even on W32 (to be used before structs);
+ * Using this would cause structs to be unaligned on the stack on Sparc,
+ * so we *only* use this on W32 (see #670578 from Debian); fortunately,
+ * W32 doesn't run on sparc anyway.
*/
#define GNUNET_NETWORK_STRUCT_BEGIN \
_Pragma("pack(push)") \
@@ -188,19 +192,23 @@
/**
* gcc 4.x-ism to pack structures even on W32 (to be used after structs)
+ * Using this would cause structs to be unaligned on the stack on Sparc,
+ * so we *only* use this on W32 (see #670578 from Debian); fortunately,
+ * W32 doesn't run on sparc anyway.
*/
#define GNUNET_NETWORK_STRUCT_END _Pragma("pack(pop)")
+
#else
-#ifdef MINGW
#error gcc 4.x or higher required on W32 systems
#endif
+#else
/**
- * Good luck, GNUNET_PACKED should suffice, but this won't work on W32
+ * Define as empty, GNUNET_PACKED should suffice, but this won't work on W32
*/
#define GNUNET_NETWORK_STRUCT_BEGIN
/**
- * Good luck, GNUNET_PACKED should suffice, but this won't work on W32
+ * Define as empty, GNUNET_PACKED should suffice, but this won't work on W32;
*/
#define GNUNET_NETWORK_STRUCT_END
#endif
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