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[PATCH] mdadm: don't enable largefile support unconditionally on uClibc

uClibc can be compiled without largefile support (and errors out if
_FILE_OFFSET_BITS is set to 64), so don't define it if that combination
is detected.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
---
 mdadm.h |    4 ++++
 1 file changed, 4 insertions(+)

Index: mdadm-2.6.7.1/mdadm.h
===================================================================
--- mdadm-2.6.7.1.orig/mdadm.h
+++ mdadm-2.6.7.1/mdadm.h
@@ -28,7 +28,11 @@
  */
 
 #define	_GNU_SOURCE
+#include <features.h>
+/* uclibc without largefile support #errors on _FILE_OFFSET_BITS=64 */
+#if !(defined(__UCLIBC__) && !defined(__UCLIBC_HAS_LFS__))
 #define _FILE_OFFSET_BITS 64
+#endif
 #include	<unistd.h>
 #if !defined(__dietlibc__) && !defined(__KLIBC__)
 extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence));