fallocate: fix build failure with old linux headers

If linux/falloc.h does not exist, the build system still enables the
fallocate util, but ultimately fails when it tries to include the
header and use a define from it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/sys-utils/fallocate.c b/sys-utils/fallocate.c
index d1f43c24253da968af6610979d04cc5f440b4352..fd4d2a9addbb5f38b16eeea6016089df6acc5623 100644 (file)
--- a/sys-utils/fallocate.c
+++ b/sys-utils/fallocate.c
@@ -37,7 +37,11 @@
 # include <sys/syscall.h>
 #endif
 
-#include <linux/falloc.h>      /* for FALLOC_FL_* flags */
+#ifdef HAVE_LINUX_FALLOC_H
+# include <linux/falloc.h>     /* for FALLOC_FL_* flags */
+#else
+# define FALLOC_FL_KEEP_SIZE 1
+#endif
 
 #include "nls.h"
 #include "strtosize.h"