After configuring Target: x86_64-unknown-linux-gnu gcc version 4.5.0 20090715 (experimental) [trunk revision 149654] (GCC)
with ../../mainline/configure --enable-checking=release --prefix=/pkgs/gcc-mainline-mem-stats --enable-languages=c --enable-gather-detailed-mem-stats I get the bootstrap error: Configuring stage 2 in ./gmp < stuff omitted> checking how to run the C++ preprocessor... /lib/cpp configure: error: C++ preprocessor "/lib/cpp" fails sanity check See `config.log' for more details. make[2]: *** [configure-stage2-gmp] Error 1 make[2]: Leaving directory `/home/lucier/programs/gcc/objdirs/mainline' make[1]: *** [stage2-bubble] Error 2 make[1]: Leaving directory `/home/lucier/programs/gcc/objdirs/mainline' make: *** [bootstrap] Error 2 This is using an in-tree gmp 4.3.0, gmp/config.log reports: configure:11030: checking how to run the C++ preprocessor configure:11061: /home/lucier/programs/gcc/objdirs/mainline/./prev-gcc/g++ -B/home/lucier/programs/gcc/objdirs/mainline/./prev-gcc/ -B/pkgs/gcc-mainline-mem-stats/x86_64-unknown-linux-gnu/bin/ -nostdinc++ -I/home/lucier/programs/gcc/objdirs/mainline/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu -I/home/lucier/programs/gcc/objdirs/mainline/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include -I/home/lucier/programs/gcc/objdirs/mainline/../../mainline/libstdc++-v3/libsupc++ -L/home/lucier/programs/gcc/objdirs/mainline/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs -E -DNO_ASM conftest.cc /home/lucier/programs/gcc/mainline/gmp/configure: line 11062: /home/lucier/programs/gcc/objdirs/mainline/./prev-gcc/g++: No such file or directory <stuff omitted> configure:11061: /lib/cpp -DNO_ASM conftest.cc cpp: error trying to exec 'cc1plus': execvp: No such file or directory Am i missing something? Brad