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authorNAKAMURA Takumi <geek4civic@gmail.com>2011-10-16 02:54:33 +0000
committerNAKAMURA Takumi <geek4civic@gmail.com>2011-10-16 02:54:33 +0000
commit4025061b8a31e612af17bd9548b35e1918135291 (patch)
tree711a80ce51df123b34e42185ace2bbdf442b4a10 /tools/CMakeLists.txt
parente5ab51d51f6e5cebf57db76c7f8527febc6a2b71 (diff)
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CMake: Introduce LLVM_CLANG_SOURCE_DIR, "tools/clang" by default. Clang will not be built if LLVM_CLANG_SOURCE_DIR="" or ${LLVM_CLANG_SOURCE_DIR}/CMakeLists.txt is not found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142103 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/CMakeLists.txt')
-rw-r--r--tools/CMakeLists.txt7
1 files changed, 5 insertions, 2 deletions
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)