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 --enable-checking=release i486-linux-gnu Thread model: posix gcc version 4.1.2 (Ubuntu 4.1.2-0ubuntu4) /usr/lib/gcc/i486-linux-gnu/4.1.2/cc1 -quiet -v helloworld.c -quiet -dumpbase helloworld.c -mtune=generic -auxbase helloworld -version -fstack-protector -fstack-protector -o /tmp/ccrZWauM.s 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. GNU C version 4.1.2 (Ubuntu 4.1.2-0ubuntu4) (i486-linux-gnu) compiled by GNU C version 4.1.2 (Ubuntu 4.1.2-0ubuntu4). GGC heuristics: --param ggc-min-expand=63 --param ggc-min-heapsize=63340 helloworld.c:1: 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 .