--- /dev/null
+From e5952b043a71fe83fbc392e498e8f77774fca0d8 Mon Sep 17 00:00:00 2001
+From: Peter Korsgaard <jacmet@sunsite.dk>
+Date: Sat, 28 Jun 2014 09:32:53 -0300
+Subject: [PATCH] fixup lfs mismatch in preload libraries
+
+Ensure that the lfs variants are not transparently used instead of the !lfs
+ones so both can be wrapped, independently of any custom CFLAGS/CPPFLAGS.
+
+Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
+---
+ lib/libv4l1/v4l1compat.c | 3 +++
+ lib/libv4l2/v4l2convert.c | 3 +++
+ 2 files changed, 6 insertions(+)
+
+diff --git a/lib/libv4l1/v4l1compat.c b/lib/libv4l1/v4l1compat.c
+index e328288..70eb74f 100644
+--- a/lib/libv4l1/v4l1compat.c
++++ b/lib/libv4l1/v4l1compat.c
+@@ -19,6 +19,9 @@
+ # Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
+ */
+
++/* ensure we see *64 variants and they aren't transparently used */
++#undef _LARGEFILE_SOURCE
++#undef _FILE_OFFSET_BITS
+ #define _LARGEFILE64_SOURCE 1
+
+ #include <config.h>
+diff --git a/lib/libv4l2/v4l2convert.c b/lib/libv4l2/v4l2convert.c
+index 9b46ab8..bc41056 100644
+--- a/lib/libv4l2/v4l2convert.c
++++ b/lib/libv4l2/v4l2convert.c
+@@ -23,6 +23,9 @@
+ /* prevent GCC 4.7 inlining error */
+ #undef _FORTIFY_SOURCE
+
++/* ensure we see *64 variants and they aren't transparently used */
++#undef _LARGEFILE_SOURCE
++#undef _FILE_OFFSET_BITS
+ #define _LARGEFILE64_SOURCE 1
+
+ #include <config.h>
+--
+1.9.1