http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54834
Bug #: 54834 Summary: bootstrap fails when building libbacktrace Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: t...@gcc.gnu.org Target: x86_64-apple-darwin11.4.0 Created attachment 28371 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28371 configure log The failure mode is copied below. I attach my libbacktrace/config.log. make all-am /bin/sh ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I../../libbacktrace -I ../../libbacktrace/../include -I ../../libbacktrace/../libgcc -I ../libgcc -I ../gcc/include -I ../../gcc/include -funwind-tables -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -Werror -g -c -o backtrace.lo ../../libbacktrace/backtrace.c libtool: compile: gcc -DHAVE_CONFIG_H -I. -I../../libbacktrace -I ../../libbacktrace/../include -I ../../libbacktrace/../libgcc -I ../libgcc -I ../gcc/include -I ../../gcc/include -funwind-tables -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -Werror -g -c ../../libbacktrace/backtrace.c -o backtrace.o In file included from ../../libbacktrace/backtrace.c:35: ../gcc/include/unwind.h:48: error: unknown machine mode 'unwind_word' ../gcc/include/unwind.h:49: error: unknown machine mode 'unwind_word' In file included from ../../libbacktrace/backtrace.c:35: ../gcc/include/unwind.h:252:4: error: #error "__SIZEOF_LONG__ macro not defined" ../gcc/include/unwind.h:256:4: error: #error "__SIZEOF_POINTER__ macro not defined" make[4]: *** [backtrace.lo] Error 1 make[3]: *** [all] Error 2 make[2]: *** [all-stage1-libbacktrace] Error 2 make[1]: *** [stage1-bubble] Error 2 make: *** [all] Error 2