[FFmpeg-devel] [PATCH] Add versioning information to dlls

David Bolt 7c6ebd986448736acd2250be77d2cc38
Mon May 26 04:47:34 CEST 2008

On Sun, 25 May 2008, Ramiro Polla wrote:-



There's a problem with this patch. It's broken the building shared
libraries on Linux. Revision 13379 built okay, but after the forgotten
subdir.mak was committed in revision 13380, it fails when trying to
create the shared library libavutil.so.49 because an entry is passed
that points to the libavutil directory rather than a file within the

davjam at donnas:/usr/src/packages/SOURCES> rpmbuild -ta ffmpeg- --clean --target $(uname -m)
Building target platforms: x86_64
Building for target x86_64


+ archflags=
+ archflags=' -fPIC'
+ CFLAGS='-O2 -g -fmessage-length=0 -D_FORTIFY_SOURCE=2  -fPIC'
+ CFLAGS='-O2 -g -fmessage-length=0 -D_FORTIFY_SOURCE=2  -fPIC -I/usr/include/gsm'
+ export archflags
+ export CFLAGS
+ ./configure --shlibdir=/usr/lib64 --prefix=/usr --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --cpu=athlon64 --enable-pthreads --
enable-shared --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libfaad --enable-libfaac --enable-libxvid --enable-liba52 --
enable-swscale --enable-postproc --enable-gpl --enable-vhook --enable-x11grab --enable-libgsm --enable-libx264
install prefix            /usr
source path               /usr/src/packages/BUILD/ffmpeg
C compiler                gcc
.align is power-of-two    no
ARCH                      x86_64 (athlon64)
big-endian                no
MMX enabled               yes
CMOV enabled              yes
CMOV is fast              yes
EBX available             yes
EBP available             yes
gprof enabled             no
debug symbols             yes
strip symbols             yes
optimizations             yes
static                    yes
shared                    yes
postprocessing support    yes
software scaler enabled   yes
new filter support        no
filters using lavformat   no
video hooking             yes
Imlib2 support            yes
FreeType support          yes
network support           yes
IPv6 support              yes
threading support         pthreads
SDL support               yes
Sun medialib support      no
AVISynth enabled          no
liba52 support            yes
liba52 dlopened           no
libamr-nb support         no
libamr-wb support         no
libdc1394 support         no
libdirac enabled          no
libfaac enabled           yes
libfaad enabled           yes
libfaad dlopened          no
libgsm enabled            yes
libmp3lame enabled        yes
libnut enabled            no
libschroedinger enabled   no
libtheora enabled         yes
libvorbis enabled         yes
x264 enabled              yes
XviD enabled              yes
zlib enabled              yes
bzlib enabled             yes


gcc -shared -Wl,-soname,libavutil.so.49  -rdynamic -export-dynamic -Wl,--warn-common -Wl,--as-needed -Wl,-rpath-link,"/usr/src/packages/BUILD/ff
mpeg"/libavcodec -Wl,-rpath-link,"/usr/src/packages/BUILD/ffmpeg"/libavformat -Wl,-rpath-link,"/usr/src/packages/BUILD/ffmpeg"/libavutil -
Wl,-Bsymbolic -o libavutil/libavutil.so.49 libavutil/adler32.o libavutil/aes.o libavutil/base64.o libavutil/crc.o libavutil/des.o
libavutil/fifo.o libavutil/intfloat_readwrite.o libavutil/lls.o libavutil/log.o libavutil/lzo.o libavutil/mathematics.o libavutil/md5.o
libavutil/mem.o libavutil/random.o libavutil/rational.o libavutil/rc4.o libavutil/sha1.o libavutil/string.o libavutil/tree.o libavutil/  -lz -
lbz2 -pthread -lm -la52 -lfaac -lfaad -lgsm -lmp3lame -lm -ltheora -logg -lvorbisenc -lvorbis -logg -lx264 -lm -lxvidcore    -ldl -ldl -lX11 -
libavutil/: file not recognized: Is a directory
collect2: ld returned 1 exit status
make: *** [libavutil/libavutil.so.49] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.87707 (%build)

        David Bolt

Team Acorn: http://www.distributed.net/ OGR-P2 @ ~100Mnodes RC5-72 @ ~15Mkeys
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