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Update CMakeLists to include Clang Tooling components #2

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Merged
ashley-hawkins merged 2 commits into from
Aug 25, 2025
Merged

Update CMakeLists to include Clang Tooling components #2

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1992c2d
Update CMakeLists to include Clang Tooling components
Kaydax Aug 25, 2025
9604eb7
Fix up CMakeLists.txt
ashley-hawkins Aug 25, 2025
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13 changes: 9 additions & 4 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -20,8 +20,9 @@ else()
string(REGEX MATCH "^[0-9]+\.[0-9]+" gencppm_CLANG_VERSION_MAJOR_MINOR ${CMAKE_CXX_COMPILER_VERSION})
endif()
if (NOT DEFINED LLVM_ROOT OR NOT DEFINED CLANG_ROOT)
# Get the path to the compiler
get_filename_component(CLANG_EXECUTABLE_DIR ${CMAKE_CXX_COMPILER} DIRECTORY)
# Get the real path to the compiler
get_filename_component(CLANG_EXECUTABLE_DIR ${CMAKE_CXX_COMPILER} REALPATH)
get_filename_component(CLANG_EXECUTABLE_DIR ${CLANG_EXECUTABLE_DIR} DIRECTORY)
message(STATUS "Found Clang executable directory as ${CLANG_EXECUTABLE_DIR}, using this to get the base directory of the LLVM installation.")
# Use that to get the path to the root (../)
get_filename_component(CLANG_INSTALL_PREFIX ${CLANG_EXECUTABLE_DIR} DIRECTORY)
Expand All @@ -34,7 +35,8 @@ endif()
find_package(LLVM ${gencppm_CLANG_VERSION_MAJOR_MINOR} REQUIRED CONFIG)
message(STATUS "Found LLVM ${LLVM_VERSION} at ${LLVM_DIR}")
include(AddLLVM)
find_package(Clang ${gencppm_CLANG_VERSION_MAJOR_MINOR} REQUIRED CONFIG)
find_package(Clang ${gencppm_CLANG_VERSION_MAJOR_MINOR} REQUIRED CONFIG COMPONENTS Tooling)
include(${CLANG_ROOT}/lib/cmake/clang/AddClang.cmake)
message(STATUS "Found Clang ${Clang_VERSION} at ${CLANG_INSTALL_PREFIX}")
add_compile_definitions(${LLVM_DEFINITIONS} ${CLANG_DEFINITIONS})
add_link_options(${LLVM_LDFLAGS} ${CLANG_LDFLAGS})
Expand All @@ -58,7 +60,10 @@ add_executable(${PROJECT_NAME} ${SOURCE} src/main.cpp)

add_library(${PROJECT_NAME}-module)
target_sources(${PROJECT_NAME}-module PUBLIC FILE_SET CXX_MODULES FILES ${MODULE_SOURCES})
target_link_libraries(${PROJECT_NAME}-module PUBLIC clangTooling)
clang_target_link_libraries(${PROJECT_NAME}-module PUBLIC clangTooling)
if (LLVM_LINK_LLVM_DYLIB)
target_link_libraries(${PROJECT_NAME}-module PUBLIC LLVM)
endif()
target_compile_definitions(${PROJECT_NAME}-module PUBLIC CLANG_DIR="${CLANG_INSTALL_PREFIX}/lib/clang/${LLVM_VERSION_MAJOR}")
llvm_update_compile_flags(${PROJECT_NAME}-module)

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