new:/usr/local/libtorrent-0.11.4/test# echo 'main(){}' > foobar.c; gcc foobar.c -v -save-temps Using built-in specs. Target: i486-linux-gnu Configured with: ../src/configure -v --enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --program-suffix=-4.1 --enable-__cxa_atexit --enable-clocale=gnu --enable-libstdcxx-debug --enable-mpfr --with-tune=i686 --enable-checking=release i486-linux-gnu Thread model: posix gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21) /usr/lib/gcc/i486-linux-gnu/4.1.2/cc1 -E -quiet -v foobar.c -mtune=i686 -fpch-preprocess -o foobar.i ignoring nonexistent directory "/usr/local/include/i486-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../i486-linux-gnu/include" ignoring nonexistent directory "/usr/include/i486-linux-gnu" #include "..." search starts here: #include <...> search starts here: /usr/local/include /usr/lib/gcc/i486-linux-gnu/4.1.2/include /usr/include End of search list. :0: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See for instructions. For Debian GNU/Linux specific bug reporting instructions, see .