On Sun, Jun 26, 2016 at 6:50 PM, Davide Italiano <dccitali...@gmail.com> wrote: > On Sun, Jun 26, 2016 at 6:48 PM, Davide Italiano <dccitali...@gmail.com> > wrote: >> Hi, >> I'm experimenting a bit with LTO using clang and lld (the new LLVM linker). >> I'm able to build a decent fraction of libreoffice if I invoke >> autogen.sh like this: >> >> ./autogen.sh CC=~/work/llvm/build-release/bin/clang >> CXX=~/work/llvm/build-release/bin/clang++ >> AR=~/work/llvm/build-release/bin/llvm-ar RANLIB=/usr/bin/true >> LDFLAGS="-fuse-ld=lld" CFLAGS="-flto" CXXFLAGS="-flto" --without-java >> --without-help --without-myspell-dicts --disable-liblangtag >> --with-system-curl --with-system-lcms2 >> >> (please note that as long as I'm using the LLVM tools I don't need >> plugin(s) as binutils does). >> >> I set up my PATH so that ld symlinks to lld. >> >> $ ld --version >> LLD 3.9 (https://llvm.org/svn/llvm-project/lld/trunk 273771) >> >> After some librabries/executables are built/linked successfully I hit >> the following: >> >> [build DEP] LNK:Library/libbiblo.so >> [build LNK] Library/libbiblo.so >> /home/davide/lto_experiments/libreoffice/external/coinmp/ExternalPackage_coinmp.mk:31: >> *** file >> /home/davide/lto_experiments/libreoffice/workdir/UnpackedTarball/coinmp/Cbc/src/.libs/libCbc.so.3.8.8 >> does not exist in the tarball. Stop. >> make[1]: *** Waiting for unfinished jobs.... >> Makefile:254: recipe for target 'build' failed >> make: *** [build] Error 2 >> ``` >> >> $ find . -name "libCbc.so*" >> $ >> >> So I decided to build libCbc by myself going in the correct directory >> and invoking make: >> >> $ cd ./workdir/UnpackedTarball/coinmp/Cbc/ && ./configure && make >> [...] >> >> but still the build fails with the same error. >> Any ideas why the library is not built? Is this a bug in LLVM or in >> the build system? >> >> As a side note, I'm able to finish successfully a non-LTO build with >> clang+lld. >> >> Thanks! >> >> -- >> Davide > > Also, FWIW this is the revision I'm at: > > commit 63f15b36f7a196edb20ce7a0aba6f6b3d28dd652 > Author: Ashod Nakashian <ashod.nakash...@collabora.co.uk> > Date: Sun Jun 12 22:04:50 2016 -0400 > > -- > Davide
I refreshed to: commit 04136c95c5be30004e627f2866fe6ecea60a04f1 Author: Muhammet Kara <muhammet.k...@pardus.org.tr> Date: Fri Jun 17 15:24:19 2016 +0300 Move accessibility relations to .ui files, Part 10: tdf#87026 $ ~/work/llvm/build-release/bin/clang --version clang version 3.9.0 (trunk 273841) (llvm/trunk 273938) $ ~/work/llvm/build-release/bin/clang++ --version clang version 3.9.0 (trunk 273841) (llvm/trunk 273938) clang is upstream clang + the patch for abi_attribute. but the problem is still there :( BTW, I think this is related to clang because I'm able to reproduce without LTO: $ ./autogen.sh CC=~/work/llvm/build-release/bin/clang CXX=~/work/llvm/build-release/bin/clang++ --enable-dbgutil --without-java --without-help --without-myspell-dicts [build EPK] fonts_carlito [build EPK] fonts_dejavu [build EPK] fonts_gentium [build EPK] fonts_liberation [build EPK] fonts_liberation_narrow [build EPK] fonts_libertineg [build EPK] fonts_opensans [build EPK] fonts_ptserif [build EPK] fonts_sourcecode [build EPK] fonts_sourcesans [build UPK] a8c2c5b8f09e7ede322d5c602ff6a4b6-mythes-1.2.4.tar.gz [build MOD] poppler /home/davide/lto_experiments/libreoffice/external/redland/ExternalPackage_raptor.mk:21: *** file /home/davide/lto_experiments/libreoffice/workdir/UnpackedTarball/raptor/src/.libs/libraptor2-lo.so.0.0.0 does not exist in the tarball. Stop. Any ideas on how to debug this? Thanks! -- Davide _______________________________________________ LibreOffice mailing list LibreOffice@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/libreoffice