The current gcc 4.2 branch (revision 122824) fails to build on powerpc-apple-darwin8 with the error...
gcc -g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0 -fkeep-inline-functions -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -fno-common -DHAVE_CONFIG_H -o cc1-dummy c-lang.o stub-objc.o attribs.o c-errors.o c-lex.o c-pragma.o c-decl.o c-typeck.o c-convert.o c-aux-info.o c-common.o c-opts.o c-format.o c-semantics.o c-incpath.o cppdefault.o c-ppoutput.o c-cppbuiltin.o prefix.o c-objc-common.o c-dump.o c-pch.o c-parser.o darwin-c.o rs6000-c.o c-gimplify.o tree-mudflap.o c-pretty-print.o c-omp.o dummy-checksum.o \ main.o tree-browser.o libbackend.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a ../libcpp/libcpp.a -lintl -L/sw/lib -liconv ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a /usr/bin/ld: Undefined symbols: _decl_readonly_section_1 collect2: ld returned 1 exit status make[3]: *** [cc1-dummy] Error 1 make[2]: *** [all-stage1-gcc] Error 2 make[1]: *** [stage1-bubble] Error 2 make: *** [all] Error 2 Hopefully we can get this fixed before the RC release is made from gcc 4.2 branch. Jack