[FFmpeg-cvslog] configure: clang: explicitly state dep file and rule name in DEPFLAGS

[Janne Grunau]

ffmpeg | branch: master | Janne Grunau <janne-libav at jannau.net> | Sat Jan 25 17:34:19 2014 +0100| [9e057f53aa8549e94b7f52a67f69ce94d607da0a] | committer: Janne Grunau

configure: clang: explicitly state dep file and rule name in DEPFLAGS

Fixes dependency file generation with gas-preprocessor.pl and clang.
Flags copied from GCC and tested with Apple's clang from Xcode 5 and
5.1 and clang 3.2, 3.3, 3.4 on Linux.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9e057f53aa8549e94b7f52a67f69ce94d607da0a
---

 configure |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index b7ff79c..81a4c7a 100755
--- a/configure
+++ b/configure
@@ -2702,7 +2702,7 @@ probe_cc(){
     elif $_cc -v 2>&1 | grep -q clang; then
         _type=clang
         _ident=$($_cc --version | head -n1)
-        _depflags='-MMD'
+        _depflags='-MMD -MF $(@:.o=.d) -MT $@'
         _cflags_speed='-O3'
         _cflags_size='-Os'
     elif $_cc -V 2>&1 | grep -q Sun; then