ffmpeg 0.7.14 and 0.8.13 fail to build on OS X 10.7 ('vqa_decode_chunk' should not return a value)

[Hanspeter Niederstrasser]

Summary of the bug:
The newly released 0.7.14 and 0.8.13 fail to build on OS X 10.7/Xcode 4.6/clang-4.2 with this error:

How to reproduce:

gcc -I. -I"/sw/build.build/ffmpeg-0.7.14-1/ffmpeg-0.7.14" -I/sw/include -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPIC -DHAVE_AV_CONFIG_H -I/sw/lib/libspeex1/include -I/sw/include -I/usr/X11R6/include -MD   -std=c99 -fomit-frame-pointer -fPIC -I/sw/include/dirac -I/sw/include/freetype2 -I/sw/include -I/sw/include/schroedinger-1.0 -I/sw/include/liboil-0.3 -I/sw/include/SDL -D_GNU_SOURCE=1 -D_THREAD_SAFE -g -Wdeclaration-after-statement -Wall -Wno-parentheses -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wno-pointer-sign -Wcast-qual -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-cast -O3 -fno-math-errno -fno-signed-zeros -Qunused-arguments  -MMD -c -o libavcodec/vqavideo.o /sw/build.build/ffmpeg-0.7.14-1/ffmpeg-0.7.14/libavcodec/vqavideo.c
/sw/build.build/ffmpeg-0.7.14-1/ffmpeg-0.7.14/libavcodec/vqavideo.c:532:13: error: void function 'vqa_decode_chunk' should not return a value [-Wreturn-type]
            return AVERROR_INVALIDDATA;
            ^      ~~~~~~~~~~~~~~~~~~~
/sw/build.build/ffmpeg-0.7.14-1/ffmpeg-0.7.14/libavcodec/vqavideo.c:560:13: error: void function 'vqa_decode_chunk' should not return a value [-Wreturn-type]
            return AVERROR_INVALIDDATA;
            ^      ~~~~~~~~~~~~~~~~~~~
2 errors generated.

This failure does not happen on up to date ffmpeg-git, ffmpeg-1.1.2 or ffmpeg-1.0.4.

Git bisect between 0.7.14 and 0.7.13 suggests

2cac35086c9e103fa98960c546d5017e7363803a is the first bad commit
commit 2cac35086c9e103fa98960c546d5017e7363803a
Author: Michael Niedermayer <michaelni@gmx.at>
Date:   Fri Jan 25 06:11:59 2013 +0100

    vqavideo: check chunk sizes before reading chunks
    
    Fixes out of array writes
    
    Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
    Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
    (cherry picked from commit ab6c9332bfa1e20127a16392a0b85a4aa4840889)
    
    Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

:040000 040000 a8d8af84de1e252b56e213059f30884095096202 4384d9e56a32124d3d9b9b68721ec7757352baf3 M	libavcodec

This is my configure command:

../configure --prefix=/sw --arch=x86_64 \
	--mandir=/sw/share/man \
	--enable-shared \
	--disable-static \
	--enable-gpl \
	--enable-version3 \
	--disable-doc \
	--enable-postproc \
	--enable-swscale \
	--enable-avfilter \
	--enable-pthreads \
	--enable-x11grab \
	--disable-indev=jack \
	--enable-bzlib \
	--enable-libopencore-amrnb \
	--enable-libopencore-amrwb \
	--enable-libdirac \
	--enable-libfreetype \
	--disable-libgsm \
	--enable-libmp3lame \
	--enable-libopenjpeg \
	--enable-libschroedinger \
	--enable-libspeex \
	--enable-libtheora \
	--enable-libvorbis \
	--enable-libvpx \
	--enable-libx264 \
	--enable-libxvid \
	--enable-zlib \
	--extra-cflags='-I/sw/include -I/usr/X11R6/include' \
	--extra-ldflags='-L/sw/lib -L/usr/X11R6/lib' \
	--cc=clang

[Michael Niedermayer]

Fixed in the 0.8 release branch, will be in the next 0.8 and 0.7 releases