http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45906
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-10-06 16:14:16 UTC --- (In reply to comment #0) > make[4]: Entering directory > `/home/samson/src/gccB451/arm-none-linux-gnueabi/libstdc++-v3/src' > /bin/sh ../libtool --tag CXX --mode=compile arm-none-linux-gnueabi-c++ > -I/home/samson/src/gccB451/arm-none-linux-gnueabi/libstdc++-v3/include/arm-none-linux-gnueabi > -I/home/samson/src/gccB451/arm-none-linux-gnueabi/libstdc++-v3/include > -I/home/samson/src/gcc-4.5.1/libstdc++-v3/libsupc++ -fno-implicit-templates > -Wall -Wextra -Wwrite-strings -Wcast-qual -fdiagnostics-show-location=once > -ffunction-sections -fdata-sections -g -O2 -D_GNU_SOURCE -std=gnu++0x -c > /home/samson/src/gcc-4.5.1/libstdc++-v3/src/atomic.cc > libtool: compile: arm-none-linux-gnueabi-c++ > ... Is that using the previously-built 4.4.1 compiler, not the newly-built 4.5.1 one?