Trying to compile the last svn ffmpeg version in a powerpc machine with Ubuntu 8.10:
$ uname -a Linux aliena 2.6.25-2-powerpc #1 Tue Sep 30 14:49:00 UTC 2008 ppc GNU/Linux $ gcc -v Using built-in specs. Target: powerpc-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.3.2-1ubuntu12' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --disable-softfloat --enable-secureplt --enable-targets=powerpc-linux,powerpc64-linux --with-cpu=default32 --with-long-double-128 --enable-checking=release --build=powerpc-linux-gnu --host=powerpc-linux-gnu --target=powerpc-linux-gnu Thread model: posix gcc version 4.3.2 (Ubuntu 4.3.2-1ubuntu12) The error is: gcc -DHAVE_AV_CONFIG_H -I. -I"/home/sergio/ffmpeg" -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -std=c99 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -fomit-frame-pointer -maltivec -mabi=altivec -pthread -g -Wdeclaration-after-statement -Wall -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wno-pointer-sign -Wcast-qual -Wwrite-strings -Wtype-limits -Wundef -O3 -fno-math-errno -fno-signed-zeros -c -o libavcodec/bmp.o libavcodec/bmp.c libavcodec/bmp.c: In function bmp_decode_frame: libavcodec/bmp.c:51: warning: rgb[1] may be used uninitialized in this function libavcodec/bmp.c:51: warning: rgb[2] may be used uninitialized in this function libavcodec/bmp.c:307: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-4.3/README.Bugs> for instructions. make: *** [libavcodec/bmp.o] Error 1 Using the same gcc version in a 386 Ubuntu 8.10 machine there is no error. -- Summary: sigsegv compiling ffmpeg svn Product: gcc Version: 4.3.2 Status: UNCONFIRMED Severity: critical Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: sergio dot roa at dfki dot de http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39825