---
builder/pxzcat-c.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/builder/pxzcat-c.c b/builder/pxzcat-c.c
index 0bbd296..dec9cc2 100644
--- a/builder/pxzcat-c.c
+++ b/builder/pxzcat-c.c
@@ -214,8 +214,10 @@ pxzcat (value filenamev, value outputfilev, unsigned
nr_threads)
unix_error (err, (char *) "ftruncate", outputfilev);
}
+#if defined HAVE_POSIX_FADVISE
/* Tell the kernel we won't read the output file. */
ignore_value (posix_fadvise (fd, 0, 0,
POSIX_FADV_RANDOM|POSIX_FADV_DONTNEED));
+#endif
/* Iterate over blocks. */
iter_blocks (idx, nr_threads, filenamev, fd, outputfilev, ofd);
--
1.9.3
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