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author | Michal Gorny <mgorny@gentoo.org> | 2017-01-09 23:31:05 +0000 |
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committer | Michal Gorny <mgorny@gentoo.org> | 2017-01-09 23:31:05 +0000 |
commit | 44cd53af00a69eadad48bbf22b0e4898a2e19758 (patch) | |
tree | ea01e5780062df5086aee6ff0cb3087f0bbfcbf9 /CMakeLists.txt | |
parent | 1f4def2006ff6cb24a84a0ee23c19a7fc65a4b89 (diff) |
[cmake] Obtain LLVM_CMAKE_PATH from llvm-config if available
Use the new --cmakedir option to obtain LLVM_CMAKE_PATH straight from
llvm-config. Fallback to local reconstruction if llvm-config does not
support this option.
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@291506 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'CMakeLists.txt')
-rw-r--r-- | CMakeLists.txt | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 2aefd79..05f76ab 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -49,8 +49,19 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include") set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") - set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") set(LLVM_LIT_PATH "${LLVM_PATH}/utils/lit/lit.py") + + # --cmakedir is supported since llvm r291218 (4.0 release) + execute_process( + COMMAND ${LLVM_CONFIG_PATH} --cmakedir + RESULT_VARIABLE HAD_ERROR + OUTPUT_VARIABLE CONFIG_OUTPUT) + if(NOT HAD_ERROR) + string(STRIP "${CONFIG_OUTPUT}" LLVM_CMAKE_PATH) + else() + set(LLVM_CMAKE_PATH + "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") + endif() else() message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. " "Reconfigure with -DLLVM_CONFIG_PATH=path/to/llvm-config " |