[FFmpeg-cvslog] build: Add -Wpedantic and -Wextra to extra warning flags

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Mon Mar 16 19:21:14 2015 +0100| [984e50e74ba71301720652e56232161a994bd0b5] | committer: Diego Biurrun

build: Add -Wpedantic and -Wextra to extra warning flags

Also drop -Winline from set of warning flags as it only produces noise.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=984e50e74ba71301720652e56232161a994bd0b5
---

 configure | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index d1fffbc..983d56b 100755
--- a/configure
+++ b/configure
@@ -4834,8 +4834,12 @@ check_cflags -Wtype-limits
 check_cflags -Wundef
 check_cflags -Wmissing-prototypes
 check_cflags -Wstrict-prototypes
-enabled extra_warnings && check_cflags -Winline
-enabled extra_warnings && check_cflags -Wcast-qual
+
+if enabled extra_warnings; then
+    check_cflags -Wcast-qual
+    check_cflags -Wextra
+    check_cflags -Wpedantic
+fi
 
 check_disable_warning(){
     warning_flag=-W${1#-Wno-}