this is a regression since I was already able to bootstrap gcc-4.0 on OD 7.2.1/x86 successfully:
http://gcc.gnu.org/ml/gcc/2004-09/msg00757.html The procedure for bootstrapping was similar to the one described in the message above, the only difference is that I used http://www.opendarwin.org/downloads/odcctools-20041018.tar.bz2 which corresponds to cctools-528.5 (see: http://gcc.gnu.org/ml/gcc-patches/2004-10/msg01222.html and http://www.opendarwin.org/pipermail/odcctools/2004-October/000033.html ) stage1/xgcc -Bstage1/ -B/tmp/gcc/i686-apple-darwin7.2.1/bin/ -c -O2 -g -fomit-frame-pointer - DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long- long -Wno-variadic-macros -Wold-style-definition -Werror -fno-common -DHAVE_CONFIG_H -I. - I. -I../../gcc-4.0-20041024/gcc -I../../gcc-4.0-20041024/gcc/. -I../../gcc-4.0-20041024/gcc/../ include -I./../intl -I../../gcc-4.0-20041024/gcc/../libcpp/include ../../gcc-4.0-20041024/gcc/c- lang.c -o c-lang.o In file included from ./tm.h:7, from ../../gcc-4.0-20041024/gcc/c-lang.c:26: ../../gcc-4.0-20041024/gcc/config/i386/darwin.h:47:1: error: "ASM_SPEC" redefined In file included from ./tm.h:6, from ../../gcc-4.0-20041024/gcc/c-lang.c:26: ../../gcc-4.0-20041024/gcc/config/darwin.h:334:1: error: this is the location of the previous definition make[2]: *** [c-lang.o] Error 1 make[1]: *** [stage2_build] Error 2 make: *** [bootstrap] Error 2 localhost:~/GCC/FSF/gcc-build lars$ -- Summary: bootstrap of gcc-4.0-20041024 on OpenDarwin 7.2.1/x86 (i686-apple-darwin7.2.1) failed Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: lars dot sonchocky-helldorf at hamburg dot de CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-apple-darwin7.2.1 GCC host triplet: i686-apple-darwin7.2.1 GCC target triplet: i686-apple-darwin7.2.1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18149