[CMake] Allow building standalone without any llvm-config available
This is the same as libcxxabi/libcxx do. Differential Revision: https://reviews.llvm.org/D50135 llvm-svn: 338819
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@ -66,9 +66,10 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR_CMAKE_STYLE}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm")
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endif()
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else()
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message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. "
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"Reconfigure with -DLLVM_CONFIG=path/to/llvm-config "
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"or -DLLVM_PATH=path/to/llvm-source-root.")
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message(WARNING "UNSUPPORTED LIBUNWIND CONFIGURATION DETECTED: "
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"llvm-config not found and LLVM_MAIN_SRC_DIR not defined. "
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"Reconfigure with -DLLVM_CONFIG=path/to/llvm-config "
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"or -DLLVM_PATH=path/to/llvm-source-root.")
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endif()
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if (EXISTS ${LLVM_CMAKE_PATH})
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@ -76,7 +77,7 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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include("${LLVM_CMAKE_PATH}/AddLLVM.cmake")
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include("${LLVM_CMAKE_PATH}/HandleLLVMOptions.cmake")
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else()
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message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}")
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message(WARNING "Not found: ${LLVM_CMAKE_PATH}")
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endif()
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set(PACKAGE_NAME libunwind)
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@ -366,4 +367,6 @@ if (LIBUNWIND_INCLUDE_DOCS)
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add_subdirectory(docs)
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endif()
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add_subdirectory(test)
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if (EXISTS ${LLVM_CMAKE_PATH})
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add_subdirectory(test)
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endif()
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