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| author | Petr Hosek <phosek@chromium.org> | 2017-02-09 02:20:25 +0000 |
|---|---|---|
| committer | Petr Hosek <phosek@chromium.org> | 2017-02-09 02:20:25 +0000 |
| commit | 5ae8aa2e8707640b48629f1aa36197e5a6c22371 (patch) | |
| tree | 56340994b8f161920a0cc36a5b21e50e6a7e1ce9 /libunwind/CMakeLists.txt | |
| parent | 6412705d857635cbb21bcf463df70296fee59d8d (diff) | |
[libunwind][CMake] Use libc++ headers when available
libunwind depends on C++ library headers. When building libunwind
as part of LLVM and libc++ is available, use its headers.
Differential Revision: https://reviews.llvm.org/D29573
Diffstat (limited to 'libunwind/CMakeLists.txt')
| -rw-r--r-- | libunwind/CMakeLists.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libunwind/CMakeLists.txt b/libunwind/CMakeLists.txt index 3ba4b65d175..7f1a118958b 100644 --- a/libunwind/CMakeLists.txt +++ b/libunwind/CMakeLists.txt @@ -282,4 +282,23 @@ endif() include_directories(include) +find_path( + LIBUNWIND_LIBCXX_INCLUDES_INTERNAL + __libcpp_version + PATHS ${LLVM_MAIN_SRC_DIR}/projects/libcxx/include + ${LLVM_MAIN_SRC_DIR}/runtimes/libcxx/include + NO_DEFAULT_PATH +) +if ((NOT LIBUNWIND_STANDALONE_BUILD OR HAVE_LIBCXX) AND + IS_DIRECTORY "${LIBUNWIND_LIBCXX_INCLUDES_INTERNAL}") + set(LIBUNWIND_CXX_INCLUDE_PATHS_DEFAULT "${LIBUNWIND_LIBCXX_INCLUDES_INTERNAL}") +endif() + +set(LIBUNWIND_CXX_INCLUDE_PATHS "${LIBUNWIND_CXX_INCLUDE_PATHS_DEFAULT}" CACHE PATH + "Paths to C++ header directories separated by ';'.") + +if (NOT LIBUNWIND_CXX_INCLUDE_PATHS STREQUAL "") + include_directories("${LIBUNWIND_CXX_INCLUDE_PATHS}") +endif() + add_subdirectory(src) |