Hi, I'm looking into updating the LLVM Debian packaging to use CMake instead of autotools. I've hit some issues in building LLDB to do with the use of BUILD_SHARED_LIBS. I thought I should email the list before proposing any changes, as described below.
Many of the libraries in LLDB are not specified as being shared or static in the CMake files. If you set BUILD_SHARED_LIBS, then it will attempt to build them as shared; this fails due to undefined library dependencies. I looked at adding them, but found there were some circular dependencies which made it a bit messy. Also, it doesn't seem very useful to build them as shared objects. Since the Makefiles only support building the internal libraries as static, I figure the CMake files should be updated to do the same. With the internal libraries built as static archives, then lldb will build successfully (with some minor dependency additions; pthread, dl, and LLVM's runtimedyld component). There are then some issues with loading the Python extension module. The extension module is a symlink to liblldb.so, whose RPATH entries aren't valid relative to the symlink target. This can be resolved by adding a symlink from lib/python<version>/site-packages/lib to lib. Any issues? If not, I'll send a patch through soon. Cheers, Andrew
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