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