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authorH.J. Lu <hjl.tools@gmail.com>2013-01-10 08:38:48 -0800
committerH.J. Lu <hjl.tools@gmail.com>2013-01-10 08:38:48 -0800
commit1a20cb20ff0201815691ccd3249d139a7cbfbfa8 (patch)
tree5de7f34fd3c774a3bf8d221e6d725a7f380cc145 /sysdeps/unix
parent176f2fe0a1c2aeb7551eeddf651b2b32eb456137 (diff)
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Correct _XXX_ILP32_OFFBIG for x32
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/x86/bits/environments.h25
1 files changed, 17 insertions, 8 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/bits/environments.h b/sysdeps/unix/sysv/linux/x86/bits/environments.h
index 0fe1e3f5fd..27b37b30e7 100644
--- a/sysdeps/unix/sysv/linux/x86/bits/environments.h
+++ b/sysdeps/unix/sysv/linux/x86/bits/environments.h
@@ -64,15 +64,19 @@
 
 #else /* __WORDSIZE == 32 */
 
-/* By default we have 32-bit wide `int', `long int', pointers and `off_t'
-   and all platforms support LFS.  */
-# define _POSIX_V7_ILP32_OFF32	1
+/* We have 32-bit wide `int', `long int' and pointers and all platforms
+   support LFS.  -mx32 has 64-bit wide `off_t'.  */
 # define _POSIX_V7_ILP32_OFFBIG	1
-# define _POSIX_V6_ILP32_OFF32	1
-# define _POSIX_V6_ILP32_OFFBIG	1
-# define _XBS5_ILP32_OFF32	1
+# define _POSIX_V6_ILP32_OFFBIG 1
 # define _XBS5_ILP32_OFFBIG	1
 
+# ifndef __x86_64__
+/* -m32 has 32-bit wide `off_t'.  */
+#  define _POSIX_V7_ILP32_OFF32	1
+#  define _POSIX_V6_ILP32_OFF32	1
+#  define _XBS5_ILP32_OFF32	1
+# endif
+
 /* We optionally provide an environment with the above size but an 64-bit
    side `off_t'.  Therefore we don't define _POSIX_V7_ILP32_OFFBIG.  */
 
@@ -89,8 +93,13 @@
 #endif /* __WORDSIZE == 32 */
 
 #define __ILP32_OFF32_CFLAGS	"-m32"
-#define __ILP32_OFFBIG_CFLAGS	"-m32 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
 #define __ILP32_OFF32_LDFLAGS	"-m32"
-#define __ILP32_OFFBIG_LDFLAGS	"-m32"
+#if defined __x86_64__ && defined __ILP32__
+# define __ILP32_OFFBIG_CFLAGS	"-mx32"
+# define __ILP32_OFFBIG_LDFLAGS	"-mx32"
+#else
+# define __ILP32_OFFBIG_CFLAGS	"-m32 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
+# define __ILP32_OFFBIG_LDFLAGS	"-m32"
+#endif
 #define __LP64_OFF64_CFLAGS	"-m64"
 #define __LP64_OFF64_LDFLAGS	"-m64"