Built OK a day or so ago without LTO. /cygdrive/e/Home/cvsroot/gcc-obj/./prev-gcc/xgcc -B/cygdrive/e/Home/cvsroot/gcc-obj/./prev-gcc/ -B/usr/local/i686-pc-cygwin/bin/ -B/usr/local/i686-pc-cygwin/bin/ -B/usr/local/i686-pc-cygwin/lib/ -isystem /usr/local/i686-pc-cygwin/include -isystem /usr/local/i686-pc-cygwin/sys-include -c -gtoggle -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -Wold-style-definition -Wc++-compat -DHAVE_CONFIG_H -I. -Ilto -I/cygdrive/e/Home/cvsroot/gcc/gcc -I/cygdrive/e/Home/cvsroot/gcc/gcc/lto -I/cygdrive/e/Home/cvsroot/gcc/gcc/../include -I/cygdrive/e/Home/cvsroot/gcc/gcc/../libcpp/include -I/cygdrive/e/Home/cvsroot/gcc/gcc/../libdecnumber -I/cygdrive/e/Home/cvsroot/gcc/gcc/../libdecnumber/dpd -I../libdecnumber -I/usr/include/libelf /cygdrive/e/Home/cvsroot/gcc/gcc/lto/lto-elf.c -o lto/lto-elf.o /cygdrive/e/Home/cvsroot/gcc/gcc/lto/lto-elf.c: In function 'lto_elf_file_close': /cygdrive/e/Home/cvsroot/gcc/gcc/lto/lto-elf.c:630:25: error: 'SHN_XINDEX' undeclared (first use in this function) /cygdrive/e/Home/cvsroot/gcc/gcc/lto/lto-elf.c:630:25: error: (Each undeclared identifier is reported only once /cygdrive/e/Home/cvsroot/gcc/gcc/lto/lto-elf.c:630:25: error: for each function it appears in.) make[3]: *** [lto/lto-elf.o] Error 1 make[3]: Leaving directory `/cygdrive/e/Home/cvsroot/gcc-obj/gcc' make[2]: *** [all-stage2-gcc] Error 2 make[2]: Leaving directory `/cygdrive/e/Home/cvsroot/gcc-obj' make[1]: *** [stage2-bubble] Error 2 make[1]: Leaving directory `/cygdrive/e/Home/cvsroot/gcc-obj' make: *** [bootstrap] Error 2
uname -a CYGWIN_NT-5.1 MCKELVEY-XP 1.7.0(0.214/5/3) 2009-10-03 14:33 i686 Cygwin g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/i686-pc-cygwin/4.5.0/lto-wrapper.exe Target: i686-pc-cygwin Configured with: /cygdrive/e/Home/cvsroot/gcc/configure --verbose --enable-threads --disable-nls --enable-checking=release --disable-win32-registry --enable-languages=c,c++ Thread model: posix gcc version 4.5.0 20091015 (experimental) (GCC) BUILDING: alias CONFIGURECVS='/cygdrive/e/Home/cvsroot/gcc/configure --verbose --enable-threads --disable-nls --enable-checking=release --enable-lto --disable-win32-registry --enable-languages=c,c++ 2>&1 | tee clog' alias BUILD='nice make CFLAGS='\'''\'' BOOT_CFLAGS='\'''\'' LIBCFLAGS='\''-g -O'\'' CXXFLAGS='\''-O'\'' LIBCXXFLAGS='\''-g -O'\'' bootstrap 2>&1 | tee log' -- Summary: LTO Fails to bootstrap, stage 2 Product: gcc Version: lto Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: mckelvey at maskull dot com GCC build triplet: i686-pc-cygwin GCC host triplet: i686-pc-cygwin GCC target triplet: i686-pc-cygwin http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41746