diff options
| -rw-r--r-- | docs/CMake.html | 5 | ||||
| -rw-r--r-- | tools/CMakeLists.txt | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/docs/CMake.html b/docs/CMake.html index 6389c7f22a..ac07b0d6d4 100644 --- a/docs/CMake.html +++ b/docs/CMake.html @@ -351,6 +351,11 @@ Function Interface library. If the library or its headers are installed on a custom location, you can set the variables FFI_INCLUDE_DIR and FFI_LIBRARY_DIR. Defaults to OFF.</dd> + + <dt><b>LLVM_CLANG_SOURCE_DIR</b>:PATH</dt> + <dd>Path to Clang's source directory. Defaults to tools/clang. + Clang will not be built when it is empty or it does not point valid + path.</dd> </dl> </div> diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt index e66648bee1..3c679b82d3 100644 --- a/tools/CMakeLists.txt +++ b/tools/CMakeLists.txt @@ -59,11 +59,14 @@ if( LLVM_ENABLE_PIC ) endif() endif() -if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/clang/CMakeLists.txt ) +set(LLVM_CLANG_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/clang" CACHE PATH "Path to Clang source directory") + +if (NOT ${LLVM_CLANG_SOURCE_DIR} STREQUAL "" + AND EXISTS ${LLVM_CLANG_SOURCE_DIR}/CMakeLists.txt) option(LLVM_BUILD_CLANG "Whether to build Clang as part of LLVM" ON) if (${LLVM_BUILD_CLANG}) add_subdirectory( ${CMAKE_CURRENT_SOURCE_DIR}/clang ) endif() -endif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/clang/CMakeLists.txt ) +endif () set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) |