>>> Unpacking source...
>>> Unpacking ffmpeg2theora-0.18.tar.bz2 to /var/tmp/portage/media-video/ffmpeg2theora-0.18/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/media-video/ffmpeg2theora-0.18/work/ffmpeg2theora-0.18 ...
 * econf: updating ffmpeg2theora-0.18/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating ffmpeg2theora-0.18/config.sub with /usr/share/gnuconfig/config.sub
./configure --prefix=/usr --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --build=x86_64-pc-linux-gnu
checking for a BSD-compatible install... /bin/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of x86_64-pc-linux-gnu-gcc... gcc3
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ld used by x86_64-pc-linux-gnu-gcc... /usr/x86_64-pc-linux-gnu/bin/ld
checking if the linker (/usr/x86_64-pc-linux-gnu/bin/ld) is GNU ld... yes
checking for /usr/x86_64-pc-linux-gnu/bin/ld option to reload object files... -r
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checking whether ln -s works... yes
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checking how to run the C preprocessor... x86_64-pc-linux-gnu-gcc -E
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checking whether we are using the GNU C++ compiler... yes
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checking dependency style of x86_64-pc-linux-gnu-g++... gcc3
checking how to run the C++ preprocessor... x86_64-pc-linux-gnu-g++ -E
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checking if x86_64-pc-linux-gnu-gcc PIC flag -fPIC works... yes
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checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
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configure: creating libtool
appending configuration tag "CXX" to libtool
checking for ld used by x86_64-pc-linux-gnu-g++... /usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64
checking if the linker (/usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64) is GNU ld... yes
checking whether the x86_64-pc-linux-gnu-g++ linker (/usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64) supports shared libraries... yes
checking for x86_64-pc-linux-gnu-g++ option to produce PIC... -fPIC
checking if x86_64-pc-linux-gnu-g++ PIC flag -fPIC works... yes
checking if x86_64-pc-linux-gnu-g++ static flag -static works... yes
checking if x86_64-pc-linux-gnu-g++ supports -c -o file.o... yes
checking whether the x86_64-pc-linux-gnu-g++ linker (/usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64) supports shared libraries... yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
appending configuration tag "F77" to libtool
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checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
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checking for FFMPEG... yes
configure: creating ./config.status
config.status: creating Makefile
config.status: creating kino_export/Makefile
config.status: executing depfiles commands
Making all in kino_export
make[1]: Entering directory `/var/tmp/portage/media-video/ffmpeg2theora-0.18/work/ffmpeg2theora-0.18/kino_export'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/var/tmp/portage/media-video/ffmpeg2theora-0.18/work/ffmpeg2theora-0.18/kino_export'
make[1]: Entering directory `/var/tmp/portage/media-video/ffmpeg2theora-0.18/work/ffmpeg2theora-0.18'
if x86_64-pc-linux-gnu-gcc -DPACKAGE_NAME=\"ffmpeg2theora\" -DPACKAGE_TARNAME=\"ffmpeg2theora\" -DPACKAGE_VERSION=\"0.18\" -DPACKAGE_STRING=\"ffmpeg2theora\ 0.18\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"ffmpeg2theora\" -DVERSION=\"0.18\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -I. -I.    -I/usr/include/ffmpeg -I/usr/include/swscale   -O2 -march=athlon64 -msse3 -pipe -MT ffmpeg2theora-ffmpeg2theora.o -MD -MP -MF ".deps/ffmpeg2theora-ffmpeg2theora.Tpo" -c -o ffmpeg2theora-ffmpeg2theora.o `test -f 'ffmpeg2theora.c' || echo './'`ffmpeg2theora.c; \
	then mv -f ".deps/ffmpeg2theora-ffmpeg2theora.Tpo" ".deps/ffmpeg2theora-ffmpeg2theora.Po"; else rm -f ".deps/ffmpeg2theora-ffmpeg2theora.Tpo"; exit 1; fi
if x86_64-pc-linux-gnu-gcc -DPACKAGE_NAME=\"ffmpeg2theora\" -DPACKAGE_TARNAME=\"ffmpeg2theora\" -DPACKAGE_VERSION=\"0.18\" -DPACKAGE_STRING=\"ffmpeg2theora\ 0.18\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"ffmpeg2theora\" -DVERSION=\"0.18\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -I. -I.    -I/usr/include/ffmpeg -I/usr/include/swscale   -O2 -march=athlon64 -msse3 -pipe -MT ffmpeg2theora-theorautils.o -MD -MP -MF ".deps/ffmpeg2theora-theorautils.Tpo" -c -o ffmpeg2theora-theorautils.o `test -f 'theorautils.c' || echo './'`theorautils.c; \
	then mv -f ".deps/ffmpeg2theora-theorautils.Tpo" ".deps/ffmpeg2theora-theorautils.Po"; else rm -f ".deps/ffmpeg2theora-theorautils.Tpo"; exit 1; fi
In file included from ffmpeg2theora.c:29:
/usr/include/ffmpeg/avformat.h:255: warning: ‘AVFrac’ is deprecated
ffmpeg2theora.c: In function ‘ff2theora_output’:
ffmpeg2theora.c:782: warning: ‘avcodec_decode_audio’ is deprecated (declared at /usr/include/ffmpeg/avcodec.h:2520)
/bin/sh ./libtool --tag=CC --mode=link x86_64-pc-linux-gnu-gcc  -O2 -march=athlon64 -msse3 -pipe  -Wl,-O1 -o ffmpeg2theora -L/usr/lib -lvorbisenc -lvorbis -lm -ltheora -logg   -lavformat -lavcodec -lz -lmp3lame -lxvidcore -lfaac -lfaad -lvorbisenc -lavutil -lvorbis -lm -logg   ffmpeg2theora-ffmpeg2theora.o ffmpeg2theora-theorautils.o  
mkdir .libs
x86_64-pc-linux-gnu-gcc -O2 -march=athlon64 -msse3 -pipe -Wl,-O1 -o ffmpeg2theora ffmpeg2theora-ffmpeg2theora.o ffmpeg2theora-theorautils.o  -L/usr/lib /usr/lib64/libtheora.so -lavformat -lavcodec -lz /usr/lib64/libmp3lame.so -lxvidcore /usr/lib64/libfaac.so /usr/lib64/libfaad.so /usr/lib64/libvorbisenc.so -lavutil /usr/lib64/libvorbis.so -lm /usr/lib64/libogg.so
/usr/lib/libavformat.so: undefined reference to `dlerror'
/usr/lib/libavformat.so: undefined reference to `dlopen'
/usr/lib/libavformat.so: undefined reference to `dlsym'
collect2: ld returned 1 exit status
make[1]: *** [ffmpeg2theora] Error 1
make[1]: Leaving directory `/var/tmp/portage/media-video/ffmpeg2theora-0.18/work/ffmpeg2theora-0.18'
make: *** [all-recursive] Error 1

!!! ERROR: media-video/ffmpeg2theora-0.18 failed.
Call stack:
  ebuild.sh, line 1614:   Called dyn_compile
  ebuild.sh, line 971:   Called qa_call 'src_compile'
  ebuild.sh, line 44:   Called src_compile
  ebuild.sh, line 645:   Called die

!!! emake failed
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/media-video/ffmpeg2theora-0.18/temp/build.log'.