-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Ian,
I'm NOT using --build/--host/--target: + CC=gcc -m32 CXX=g++ -m32 FC=gfortran -m32 F77=gfortran -m32 ../configure --enable-build-with-cxx - --prefix=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/ - --program-prefix=kernelgen- --enable-languages=fortran,c++ - --with-mpfr-include=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/include/ - --with-mpfr-lib=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/lib - --with-gmp-include=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/include/ - --with-gmp-lib=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/lib - --with-mpc-include=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/include/ - --with-mpc-lib=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/lib - --enable-plugin --enable-gold=default --disable-ld - --with-ld=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/bin/kernelgen-ld - --disable-multilib - --libdir=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/lib But I get: checking dynamic linker characteristics... configure: error: Link tests are not allowed after GCC_NO_EXECUTABLES. Or actually even earlier than that there is configure:2934: checking for C compiler default output file name configure:2956: /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILD/gcc-4.8-20130912/build/./prev-gcc/xgcc - -B/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILD/gcc-4.8-20130912/build/./prev-gcc/ - -B/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/x86_64-unknown-linux-gnu/bin/ - -B/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/x86_64-unknown-linux-gnu/bin/ - -B/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/x86_64-unknown-linux-gnu/lib/ - -isystem /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/x86_64-unknown-linux-gnu/include - -isystem /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/x86_64-unknown-linux-gnu/sys-include -m32 -gtoggle -static-libstdc++ -static-libgcc conftest.c >&5 /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/bin/kernelgen-ld: error: /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILD/gcc-4.8-20130912/build/./prev-gcc/crtbegin.o: incompatible target /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/bin/kernelgen-ld: error: /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILD/gcc-4.8-20130912/build/./prev-gcc/crtend.o: incompatible target collect2: error: ld returned 1 exit status So, crtbegin.o/crtend.o are still ELF64. On 10/24/2013 07:07 AM, Ian Lance Taylor wrote: > On Wed, Oct 23, 2013 at 9:59 PM, Dmitry Mikushin > <dmi...@kernelgen.org> wrote: >> Still all sorts of problems: >> >> with BOOT_CFLAGS="-m32" and CFLAGS_FOR_TARGET="-m32" I get a >> number of compilation errors e.g. "error: unknown type name >> 'UTItype'" with BOOT_CFLAGS="-m32" only I get "configure: error: >> Link tests are not allowed after GCC_NO_EXECUTABLES." > > > Should have said this last time: please reply to the mailing list, > not just to me. Thanks. > > I would not expect to see the "Link tests" error unless you are > still using the --build/--host/--target configure arguments. I > was suggesting that you omit those. > > Ian > >> 2013/10/24 Ian Lance Taylor <i...@google.com> >>> >>> >>> On Oct 23, 2013 8:27 PM, "Dmitry Mikushin" >>> <dmi...@kernelgen.org> wrote: >>>> >>>> Dear Ian, >>>> >>>> I started exactly with adding -m32 options as you mentioned, >>>> but in this case the resulting toolchain executables are >>>> ELF64. >>> >>> You'll probably also have to set BOOT_CFLAGS or something like >>> that--see the install instructions. >>> >>> Ian >>> >>>> 2013/10/21 Ian Lance Taylor <i...@google.com> >>>>> >>>>> On Sun, Oct 20, 2013 at 10:04 PM, Dmitry Mikushin >>>>> <dmi...@kernelgen.org> wrote: >>>>>> >>>>>> I'm trying to build a GCC toolchain (4.8-20130912 >>>>>> snapshot) targeting x86-64 multiarch on i686 host, using >>>>>> x86-64 builder: >>>>>> >>>>>> + cd >>>>>> >>>>>> /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILD/gcc-4.8-20130912 >>>>>> >>>>>> + mkdir build >>>>>> + cd build/ + CC=gcc -m32 CXX=g++ -m32 FC=gfortran -m32 >>>>>> F77=gfortran -m32 ../configure --enable-build-with-cxx - >>>>>> >>>>>> --prefix=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/ >>>>>> >>>>>> - - --program-prefix=kernelgen- --enable-languages=fortran,c++ >>>>>> - >>>>>> >>>>>> --with-mpfr-include=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/include/ >>>>>> >>>>>> - - >>>>>> >>>>>> --with-mpfr-lib=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/lib >>>>>> >>>>>> - - >>>>>> >>>>>> --with-gmp-include=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/include/ >>>>>> >>>>>> - - >>>>>> >>>>>> --with-gmp-lib=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/lib >>>>>> >>>>>> - - >>>>>> >>>>>> --with-mpc-include=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/include/ >>>>>> >>>>>> - - >>>>>> >>>>>> --with-mpc-lib=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/lib >>>>>> >>>>>> - - --enable-plugin --enable-gold=default --disable-ld >>>>>> - >>>>>> >>>>>> --with-ld=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/bin/kernelgen-ld >>>>>> >>>>>> - - --disable-multilib >>>>>> - >>>>>> >>>>>> --libdir=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILDROOT/lib >>>>>> >>>>>> - - --build=x86_64-linux-gnu --host=i686-linux-gnu >>>>>> --target=x86_64-linux-gnu >>>>>> >>>>>> + cd >>>>>> >>>>>> /home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/BUILD/gcc-4.8-20130912/build >>>>>> >>>>>> + CC=gcc -m32 CXX=g++ -m32 FC=gfortran -m32 F77=gfortran -m32 >>>>>> >>>>>> CPLUS_INCLUDE_PATH=/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/include:/home/marcusmae/rpmbuild/kernelgen/head_llvm192445_i686-linux-gnu_x86_64-linux-gnu_debug/INSTALL/include/libelf >>>>>> >>>>>> KERNELGEN_FALLBACK=1 make -j24 CFLAGS=-g -O0 CXXFLAGS=-g -O0 >>>>>> >>>>>> The build fails with >>>>>> >>>>>> cc -g -O2 -O2 -g -O2 -DIN_GCC >>>>>> -DCROSS_DIRECTORY_STRUCTURE - -DNATIVE_CROSS -W -Wall >>>>>> -Wno-narrowing -Wwrite-strings -Wcast-qual - >>>>>> -Wstrict-prototypes -Wmissing-prototypes >>>>>> -Wold-style-definition - -isystem ./include -fpic >>>>>> -mlong-double-80 -g -DIN_LIBGCC2 - -fbuilding-libgcc >>>>>> -fno-stack-protector -Dinhibit_libc -fpic - >>>>>> -mlong-double-80 -I. -I. -I../.././gcc -I../../../libgcc >>>>>> - -I../../../libgcc/. -I../../../libgcc/../gcc - >>>>>> -I../../../libgcc/../include >>>>>> -I../../../libgcc/config/libbid - >>>>>> -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS -DUSE_TLS -o >>>>>> morestack_s.o - -MT morestack_s.o -MD -MP -MF >>>>>> morestack_s.dep -DSHARED -c - -xassembler-with-cpp >>>>>> ../../../libgcc/config/i386/morestack.S sed -e >>>>>> 's/__PFX__/__/g' \ -e 's/__FIXPTPFX__/__/g' < >>>>>> ../../../libgcc/libgcc-std.ver.in > libgcc-std.ver >>>>>> dest=../.././gcc/include/tmp$$-unwind.h; \ cp unwind.h >>>>>> $dest; \ chmod a+r $dest; \ sh >>>>>> ../../../libgcc/../move-if-change $dest >>>>>> ../.././gcc/include/unwind.h echo timestamp > >>>>>> libgcc_tm.stamp cc1: error: unrecognized command line >>>>>> option '-mlong-double-80' cc1: error: unrecognized >>>>>> command line option '-mlong-double-80' cc1: error: >>>>>> unrecognized command line option '-fbuilding-libgcc' cc1: >>>>>> warning: unrecognized command line option >>>>>> "-Wno-narrowing" [enabled by default] >>>>>> >>>>>> What's wrong here? >>>>> >>>>> You're trying to do a fairly complex Canadian Cross. To >>>>> make this work you must first build the build-x-target and >>>>> host-x-target compilers, and put them on your PATH. >>>>> >>>>> Basically "cc" in this command needs to be a build-x-target >>>>> compiler built from the same sources that you are using to >>>>> build your Canadian Cross. >>>>> >>>>> By the way I'm not sure exactly what you are trying to do >>>>> but it might would work more easily if you omitted the >>>>> --build, --host, and --target options from your configure >>>>> line and simply set CC="gcc -m32" CXX="g++ -m32" when >>>>> building. >>>>> >>>>> Ian >>>> >>>> >> >> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iQEcBAEBAgAGBQJSaLVIAAoJENwm3+sbf/pMF04H/jAHGMYWj0mTnj+aKQf1ZiVK Nx/YFRgVyoN98p//FWX3yd9ia/RgtrdNcgyzEZbxrvd13IY/TvozuSFYNUf/EqlP PBqmGg34L++6rP34orSN31N4oYprrcDe6I4BkVQXPORBslo6iK/RzppubTW3Qa6p r9VJhhlutLCCrzPERlK0xTQvP7nJ35RzSvKEM7+6OMwqjBgXGIfZMAOGhAI6ee7H lD3aRvwNyf5guxJC2ZqDHG0DyDFmmM230wZoYKRo/jAkmQK284nNgJ6EL49/S5Gq ufhnzii+oESvFtan2Dbf2gkTFNjeQlkGaQfbpdq21NLl5QswYS+clS/YQMr9oAw= =5xsK -----END PGP SIGNATURE-----
