# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1343593318 -7200
# Node ID f1157cce5d7a06530329d3a8062ab271c6c93080
# Parent  71253db26fda9ee5573cb184b91b0726c97a0577
util.pposix: Warn about posix_fallocate

diff -r 71253db26fda -r f1157cce5d7a util-src/pposix.c
--- a/util-src/pposix.c	Sun Jul 29 03:30:59 2012 +0200
+++ b/util-src/pposix.c	Sun Jul 29 22:21:58 2012 +0200
@@ -664,6 +664,7 @@
 #if defined(_GNU_SOURCE)
 	if(fallocate(fileno(f), FALLOC_FL_KEEP_SIZE, offset, len) != 0)
 #elif _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L
+#warning Using posix_fallocate() fallback. Linux fallocate() is strongly recommended if available: recompile with -D_GNU_SOURCE
 	if(posix_fallocate(fileno(f), offset, len) != 0)
 #endif
 	{