Hi Owen, I'm seeing this failure on one of my machines -- PPC G5: $ # APPLE LOCAL use -mlongcall for large text support /Volumes/SandBox/Clean/bug/llvm-gcc.obj/./gcc/xgcc -B/Volumes/SandBox/Clean/bug/llvm-gcc.obj/./gcc/ -B/Volumes/SandBox/Clean/bug/llvm-gcc.install/powerpc-apple-darwin9.1.0/bin/ -B/Volumes/SandBox/Clean/bug/llvm-gcc.install/powerpc-apple-darwin9.1.0/lib/ -isystem /Volumes/SandBox/Clean/bug/llvm-gcc.install/powerpc-apple-darwin9.1.0/include -isystem /Volumes/SandBox/Clean/bug/llvm-gcc.install/powerpc-apple-darwin9.1.0/sys-include -O2 -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/SandBox/Clean/bug/llvm.src/include -I/Volumes/SandBox/Clean/bug/llvm.obj/include -mlongcall \ -c ../../llvm-gcc.src/gcc/config/darwin-crt2.c -o crt2.o xgcc: Internal error: Segmentation fault (program cc1) Please submit a full bug report. See <URL:http://developer.apple.com/bugreporter> for instructions. make[3]: *** [crt2.o] Error 1 rm gpl.pod fsf-funding.pod gcov.pod gfdl.pod cpp.pod gcc.pod make[2]: *** [all-stage1-gcc] Error 2 make[1]: *** [stage1-bubble] Error 2 make: *** [all] Error 2 xgcc: Internal error: Segmentation fault (program cc1) xgcc: Internal error: Segmentation fault (program cc1) I did a binary search, and it turns out that this patch was the first one that broke things: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20080128/057882.html Could you take a look at it? I can give you access to my machine if you need it. Thanks! -bw