> Message: 4 > Date: Tue, 30 Sep 2008 21:52:19 +0200 > From: Stefan Ellenberger <[EMAIL PROTECTED]> > Subject: [vdr] Help building xine-lib-1.2 --with-external-ffmpeg > To: <vdr@linuxtv.org> > Message-ID: <[EMAIL PROTECTED]> > Content-Type: text/plain; charset="iso-8859-1" > > > Hi list > > Can anyone help me around this xine-lib compile problem caused by a missing math > library? > > /bin/sh ../../libtool --tag=CC --mode=link gcc -O3 -ffast-math > -fexpensive-optimizations -mtune=pentiumpro -fvisibility=hidden > -I/usr/include/libdts -pipe -Wall -Wformat=2 -Wno-format-zero-length > -Wmissing-format-attribute -Werror-implicit-function-declaration > -Wstrict-aliasing=2 -Wchar-subscripts -Wmissing-declarations > -Wmissing-prototypes -Wwrite-strings -Wpointer-arith -g -Wl,-z,defs > -Wl,--gc-sections -avoid-version -module -g -o xineplug_decode_dts.la -rpath > /usr/lib/xine/plugins/2.0 xineplug_decode_dts_la-xine_dts_decoder.lo > ../../src/xine-engine/libxine.la -ldts_pic > gcc -shared .libs/xineplug_decode_dts_la-xine_dts_decoder.o -Wl,--rpath > -Wl,/usr/src/xine-lib-1.2/src/xine-engine/.libs > ../../src/xine-engine/.libs/libxine.so -ldts_pic -mtune=pentiumpro -Wl,-z > -Wl,defs -Wl,--gc-sections -Wl,-soname -Wl,xineplug_decode_dts.so -o > .libs/xineplug_decode_dts.so > /usr/lib/gcc/i486-linux-gnu/4.2.3/../../../../lib/libdts_pic.a(parse.o): In > function `dts_init': > (.text+0x5ee): undefined reference to `cos' > /usr/lib/gcc/i486-linux-gnu/4.2.3/../../../../lib/libdts_pic.a(parse.o): In > function `dts_init': > (.text+0x66e): undefined reference to `cos' > /usr/lib/gcc/i486-linux-gnu/4.2.3/../../../../lib/libdts_pic.a(parse.o): In > function `dts_init': > (.text+0x6be): undefined reference to `cos' > /usr/lib/gcc/i486-linux-gnu/4.2.3/../../../../lib/libdts_pic.a(parse.o): In > function `dts_init': > (.text+0x70e): undefined reference to `sin' > collect2: ld returned 1 exit status > make[2]: *** [xineplug_decode_dts.la] Fehler 1 > make[2]: Verlasse Verzeichnis '/usr/src/xine-lib-1.2/src/audio_dec' > make[1]: *** [all-recursive] Fehler 1 > make[1]: Verlasse Verzeichnis '/usr/src/xine-lib-1.2/src' > make: *** [all-recursive] Fehler 1 > > Full Log is attached... > > * OS is Xubuntu 8.04 > * FFMPEG library I built is the same you guys recommended (r 15261) > * libm.so is installaded > * configure log shows: (checking if gcc supports -ffast-math flag... yes) > > I had to set many CPPFlags to redirect configure to the new location of the > ffmpeg headers: > > ./autogen.sh --prefix=/usr --with-external-ffmpeg --with-xvmc-lib=XvMCNVIDIA > --with-xxmc-lib=XvMCNVIDIA CPPFLAGS="-I/usr/local/include/libavcodec > -I/usr/local/include/libavdevice -I/usr/local/include/libavformat > -I/usr/local/include/libavutil -I/usr/local/include/libpostproc > -I/usr/local/include/libyasm -I/usr/include" > > Otherwise configure would not find any ffmpeg header at all (looking at the old > place in /lib/include/ffmpeg) > > so ... how do I change my Ubuntu into a little "math juggling" Einstein? ;-) > > Thanks! > > I had the same problem. I solved it by modifying the Makefile in the /usr/src/xine-lib-1.2/src/audio_dec directory. I had to add the option -lm on a line mentioning libsdts
hope that helps sp -- Serge Pecher Director SDMO nv/sa T : +32 3 620 16 41 F : +32 3 646 06 25 M : +32 475 78 20 28 _______________________________________________ vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
