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Differential D108416 Diff 404168 llvm/tools/llvm-libgcc/CMakeLists.txt

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llvm/tools/llvm-libgcc/CMakeLists.txt

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				cmake_minimum_required(VERSION 3.13.4)

				# If we are not building as a part of LLVM, build llvm-libgcc as a standalone
				# project, using compiler-rt and libunwind external libraries.
				if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
				project(LLVM_LIBGCC)
				if(NOT LLVM_LIBGCC_LIBUNWIND_DIR)
				message(FATAL_ERROR
				compnerdUnsubmitted Not Done Reply Inline Actions Perhaps we can default the path since the layout is now fairly uniform due to the merged repository layout. compnerd: Perhaps we can default the path since the layout is now fairly uniform due to the merged…
				"We're building llvm-libgcc as a standalone project, but we didn't "
				" supply a path to LLVM_LIBGCC_LIBUNWIND_DIR. It's not possible to build "
				"llvm-libgcc without this path!")
				endif()
				elseif(NOT LLVM_ENABLE_LIBGCC)
				return()
				endif()

				list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")

				set(LLVM_LIBGCC_SYSROOT "${CMAKE_INSTALL_PREFIX}" CACHE PATH
				"Assumes this path as the root directory when setting symlinks.")

				set(LLVM_LIBGCC_COMPILER_RT_DIR "" CACHE PATH
				"Absolute path to a pre-existing compiler-rt builtins.")
				find_package(CompilerRT REQUIRED)
				string(REGEX REPLACE "^${LLVM_LIBGCC_SYSROOT}/lib${LLVMLIB_DIR_SUFFIX}/*" ""
				LLVM_LIBGCC_COMPILER_RT "${LLVM_LIBGCC_COMPILER_RT}")

				set(LLVM_LIBGCC_LIBUNWIND_DIR "" CACHE PATH
				"Absolute path to a pre-existing libunwind.a.")
				find_package(LLVMLibunwind REQUIRED)
				string(REGEX REPLACE "^${LLVM_LIBGCC_SYSROOT}/lib${LLVMLIB_DIR_SUFFIX}/*" ""
				LLVM_LIBGCC_UNWIND_STATIC "${LLVM_LIBGCC_UNWIND_STATIC}")

				set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib${LLVMLIB_DIR_SUFFIX}")
				set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib${LLVMLIB_DIR_SUFFIX}")
				set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib${LLVMLIB_DIR_SUFFIX}")

				compnerdUnsubmitted Not Done Reply Inline Actions I think that `bin` rather than `lib` is appropriate. The `CMAKE_RUNTIME_OUTPUT_DIRECTORY` is used for the executables and dlls on Windows. compnerd: I think that `bin` rather than `lib` is appropriate. The `CMAKE_RUNTIME_OUTPUT_DIRECTORY` is…
				add_subdirectory(lib)