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-rwxr-xr-xsource3/wscript13
1 files changed, 13 insertions, 0 deletions
diff --git a/source3/wscript b/source3/wscript
index 7136c477141..397718496ae 100755
--- a/source3/wscript
+++ b/source3/wscript
@@ -803,6 +803,19 @@ int i; i = PAM_RADIO_TYPE;
execute=True,
msg='Checking whether fcntl locking is available')
+# glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
+ if not conf.CHECK_CODE('''
+#define _XOPEN_SOURCE 600
+#include <stdlib.h>
+#if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
+#error probably broken posix_fallocate
+#endif
+''',
+ '_HAVE_UNBROKEN_POSIX_FALLOCATE',
+ msg='for broken posix_fallocate'):
+ conf.DEFINE('HAVE_BROKEN_POSIX_FALLOCATE', '1')
+
+
conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',