If I remember correctly the CMake stuff relating to LLDB_vers.c is kind of confusing. I can have a look when I'm back in the office on Monday if nobody else beats me.
On Fri, Sep 25, 2015 at 10:29 AM via lldb-dev <lldb-dev@lists.llvm.org> wrote: > Due to recent changes, rebuilding with cmake and ninja in an existing > build on > OSX gets the following linker errors (note: it builds fine from scratch): > > $ ninja > . . . > Undefined symbols for architecture x86_64: > "_liblldb_coreVersionString", referenced from: > lldb_private::GetVersion() in lldb.cpp.o > ld: symbol(s) not found for architecture x86_64 > clang: error: linker command failed with exit code 1 (use -v to see > invocation) > . . . > ninja: build stopped: subcommand failed. > > > I've tried to fix this wirth the attached patch, but it gets a warning > about > multiple rules for LLDB_vers.c: > > $ ninja > [1/1] Re-running CMake... > . . . > ninja: warning: multiple rules generate tools/lldb/source/LLDB_vers.c. > builds involving this target will not be correct; continuing anyway > . . . > [13/13] Creating executable symlink bin/lldb > > Does anyone know how to fix this the right way to avoid these warnings? > > > BTW, anyone know why I also get the following warnings? (They are > unrelated to > the linker error or the patch, but just curious): > > . . . > [6/13] Linking CXX shared library lib/liblldb.3.8.0.dylib > ld: warning: cannot export hidden symbol lldb::SBListener::GetSP() > from tools/lldb/source/API/CMakeFiles/liblldb.dir/SBAttachInfo.cpp.o > ld: warning: cannot export hidden symbol lldb::SBListener::GetSP() > from tools/lldb/source/API/CMakeFiles/liblldb.dir/SBLaunchInfo.cpp.o > . . . > ld: warning: cannot export hidden symbol > lldb::endian::InlHostByteOrder() from > lib/liblldbExpression.a(IRForTarget.cpp.o) > [13/13] Creating executable symlink bin/lldb > > Thanks in advance, > -Dawn > _______________________________________________ > lldb-dev mailing list > lldb-dev@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >
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