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 _______________________________________________ LibreOffice mailing list LibreOffice@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/libreoffice