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authorgiraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>2013-05-02 16:24:22 +0000
committergiraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>2013-05-02 16:24:22 +0000
commit67b7c93971748e23254c2768545c15631fc111b9 (patch)
treec27a89b14a09d01bead559753ae2fad04296e032 /pm_config.in.h
parent62f18c5e354db1cd2584a6267ddbd9ac8bff80e4 (diff)
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Fix unaligned memory access on Sparc
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1892 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'pm_config.in.h')
-rw-r--r--pm_config.in.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/pm_config.in.h b/pm_config.in.h
index 3e2f781c..d8e578a3 100644
--- a/pm_config.in.h
+++ b/pm_config.in.h
@@ -290,6 +290,16 @@
 #endif
 #endif
 
+/* UNALIGNED_OK means it's OK to do unaligned memory access, e.g.
+   loading an 8-byte word from an address that is not a multiple of 8.
+   On some systems, such an access causes a trap and a signal.
+*/
+
+#if defined(__sparc__)
+# define UNALIGNED_OK 0
+#else
+# define UNALIGNED_OK 1
+#endif
 
 
 /* CONFIGURE: Some systems seem to need more than standard program linkage