cxx/test/lit.site.cfg.in
Eric Fiselier 9071bc098b [libcxx] Add support for building and testing with an ABI library not along linker paths
Summary:
This patch adds support for building/testing libc++ with an ABI library that the linker would not normally find.

- `CMAKE_LIBRARY_PATH` is used to specify the list of search directories.
- The ABI library is now found using `find_library` instead of assuming its along the linker's search path.
- `CMAKE_LIBRARY_PATH` is passed to our LIT config as `library_paths`.
- For each path in `library_paths` the following flags are added `-L<path> -Wl,-rpath -Wl,<path>`

Some changes in existing behavior were also added:
- `target_link_libraries` is now passed the ABI library file instead of the library name. Ex `target_link_libraries(cxx "/usr/lib/libc++abi.so")` vs `target_link_libraries(cxx "c++abi")`.
- `-Wl,-rpath -Wl,<path>` is now used on OSX to link to libc++ instead of env['DYLD_LIBRARY_PATH'] if `use_system_lib=False`.




Reviewers: mclow.lists, danalbert, EricWF

Reviewed By: EricWF

Subscribers: emaste, cfe-commits

Differential Revision: http://reviews.llvm.org/D5038

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@220118 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-18 01:15:17 +00:00

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@AUTO_GEN_COMMENT@
config.cxx_under_test = "@LIBCXX_COMPILER@"
config.std = "@LIBCXX_STD_VERSION@"
config.libcxx_src_root = "@LIBCXX_SOURCE_DIR@"
config.libcxx_obj_root = "@LIBCXX_BINARY_DIR@"
config.python_executable = "@PYTHON_EXECUTABLE@"
config.enable_shared = @LIBCXX_ENABLE_SHARED@
config.cxx_abi = "@LIBCXX_CXX_ABI_LIBNAME@"
config.llvm_use_sanitizer = "@LLVM_USE_SANITIZER@"
config.library_paths = "@CMAKE_LIBRARY_PATH@"
# Let the main config do the real work.
lit_config.load_config(config, "@LIBCXX_SOURCE_DIR@/test/lit.cfg")