Current gcc trunk no longer bootstraps with --enable-build-with-cxx on x86_64-apple-darwin10. The build fails at...
config.status: executing depdir commands mkdir .deps g++ -I../../gcc/libcpp -I. -I../../gcc/libcpp/../include -I../../gcc/libcpp/include -g -W -Wall -Wwrite-strings -Wmissing-format-attribute -pedantic -Wno-long-long -I../../gcc/libcpp -I. -I../../gcc/libcpp/../include -I../../gcc/libcpp/include -c -o charset.o -MT charset.o -MMD -MP -MF .deps/charset.Tpo ../../gcc/libcpp/charset.c In file included from ../../gcc/libcpp/charset.c:22: ../../gcc/libcpp/system.h:260:21: warning: libintl.h: No such file or directory In file included from ../../gcc/libcpp/system.h:30, from ../../gcc/libcpp/charset.c:22: /usr/lib/gcc/i686-apple-darwin10/4.2.1/include/stddef.h:152: error: multiple types in one declaration /usr/lib/gcc/i686-apple-darwin10/4.2.1/include/stddef.h:152: error: declaration does not declare anything make[3]: *** [charset.o] Error 1 make[2]: *** [all-stage1-libcpp] Error 2 make[1]: *** [stage1-bubble] Error 2 make: *** [all] Error 2 when the build is configured as... ../gcc/configure --prefix=/Users/howarth/dist --with-gmp=/sw --with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw --with-mpc=/sw --with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --enable-checking=yes --enable-languages=c,c++ --enable-build-with-cxx -- Summary: --enable-build-with-cxx compiling gcc/libcpp/charset.c Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: howarth at nitro dot med dot uc dot edu GCC build triplet: x86_64-apple-darwin10 GCC host triplet: x86_64-apple-darwin10 GCC target triplet: x86_64-apple-darwin10 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45538