From: Andrew Bartlett <abartlet@samba.org>
Date: Tue, 5 Jun 2012 04:35:15 +0000 (+1000)
Subject: build: Add test for HAVE_BROKEN_POSIX_FALLOCATE to waf build
X-Git-Tag: samba-4.0.0beta1~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=659f588c7a0576d53688109d7d3fd24df9bdbde1;p=thirdparty%2Fsamba.git

build: Add test for HAVE_BROKEN_POSIX_FALLOCATE to waf build

This was previously only in the autoconf build, added in 3264a98f.

Andrew Bartlett
---

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',