From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Date: Sat, 5 Nov 2011 20:59:01 +0000 (+0100)
Subject: posix: fix compilation for LFS
X-Git-Url: http://git.xenomai.org/?p=xenomai-2.6.git;a=commitdiff_plain;h=06ae5c5e47fbfd9d8dbbe6fcf1a1db0c14bad9de;hp=8f6feff876029244dabc1257cdf13209fbd64fb5

posix: fix compilation for LFS
---

diff --git a/include/posix/sys/mman.h b/include/posix/sys/mman.h
index 455e565..a304755 100644
--- a/include/posix/sys/mman.h
+++ b/include/posix/sys/mman.h
@@ -63,17 +63,16 @@ int __real_shm_open(const char *name, int oflag, mode_t mode);
 
 int __real_shm_unlink(const char *name);
 
-#if !defined(_FILE_OFFSET_BITS) || _FILE_OFFSET_BITS != 64
 void *__real_mmap(void *addr,
 		  size_t len,
 		  int prot,
 		  int flags,
 		  int fildes,
 		  long off);
-#else
-#define __real_mmap __real_mmap64
-#endif
-#ifdef _LARGEFILE64_SOURCE
+
+#if __WORDSIZE == 32
+#if defined(_LARGEFILE64_SOURCE) \
+	|| defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64
 void *__real_mmap64(void *addr,
 		    size_t len,
 		    int prot,
@@ -82,6 +81,11 @@ void *__real_mmap64(void *addr,
 		    long long off);
 #endif
 
+#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64
+#define __real_mmap __real_mmap64
+#endif
+#endif
+
 int __real_munmap(void *addr, size_t len);
 
 #ifdef __cplusplus
diff --git a/include/posix/unistd.h b/include/posix/unistd.h
index 49463a0..90cce86 100644
--- a/include/posix/unistd.h
+++ b/include/posix/unistd.h
@@ -54,13 +54,17 @@ int ftruncate(int fildes, off_t length);
 extern "C" {
 #endif
 
-#if !defined(_FILE_OFFSET_BITS) || _FILE_OFFSET_BITS != 64
 int __real_ftruncate(int fildes, long length);
-#else
+
+#if __WORDSIZE == 32
+#if defined(_LARGEFILE64_SOURCE) \
+	|| defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64
+int __real_ftruncate64(int fildes, long long length);
+#endif
+
+#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64
 #define __real_ftruncate __real_ftruncate64
 #endif
-#ifdef _LARGEFILE64_SOURCE
-int __real_ftruncate64(int fildes, long long length);
 #endif
 
 ssize_t __real_read(int fd, void *buf, size_t nbyte);