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-rw-r--r--CMakeLists.txt19
1 files changed, 19 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a70ebcf4b4d..ab43a4a603d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,6 +93,25 @@ if(CMAKE_HOST_APPLE AND APPLE)
endif()
endif()
+# Git Mono-Repo handling: automatically set the LLVM_EXTERNAL_${project}_SOURCE_DIR
+set(LLVM_ALL_PROJECTS "clang;libcxx;libcxxabi;lldb;compiler-rt;lld;polly")
+set(LLVM_ENABLE_PROJECTS "" CACHE STRING
+ "Semicolon-separated list of projects to build (${LLVM_ALL_PROJECTS}), or \"all\".")
+if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
+ set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
+endif()
+foreach(proj ${LLVM_ENABLE_PROJECTS})
+ set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
+ if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}")
+ message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}")
+ endif()
+ string(TOUPPER "${proj}" upper_proj)
+ set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
+ if (proj STREQUAL "clang")
+ set(LLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../clang-tools-extra")
+ endif()
+endforeach()
+
# The following only works with the Ninja generator in CMake >= 3.0.
set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING
"Define the maximum number of concurrent compilation jobs.")