From 5d108d260f8fbdf95a28b9c8e25032be676424bf Mon Sep 17 00:00:00 2001 From: Martin Storsjo Date: Fri, 3 Aug 2018 05:51:31 +0000 Subject: [PATCH] [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 --- libunwind/CMakeLists.txt | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/libunwind/CMakeLists.txt b/libunwind/CMakeLists.txt index 381a275c02ac..d73c0ddfb60a 100644 --- a/libunwind/CMakeLists.txt +++ b/libunwind/CMakeLists.txt @@ -66,9 +66,10 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR_CMAKE_STYLE}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") endif() else() - message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. " - "Reconfigure with -DLLVM_CONFIG=path/to/llvm-config " - "or -DLLVM_PATH=path/to/llvm-source-root.") + message(WARNING "UNSUPPORTED LIBUNWIND CONFIGURATION DETECTED: " + "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. " + "Reconfigure with -DLLVM_CONFIG=path/to/llvm-config " + "or -DLLVM_PATH=path/to/llvm-source-root.") endif() if (EXISTS ${LLVM_CMAKE_PATH}) @@ -76,7 +77,7 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) include("${LLVM_CMAKE_PATH}/AddLLVM.cmake") include("${LLVM_CMAKE_PATH}/HandleLLVMOptions.cmake") else() - message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}") + message(WARNING "Not found: ${LLVM_CMAKE_PATH}") endif() set(PACKAGE_NAME libunwind) @@ -366,4 +367,6 @@ if (LIBUNWIND_INCLUDE_DOCS) add_subdirectory(docs) endif() -add_subdirectory(test) +if (EXISTS ${LLVM_CMAKE_PATH}) + add_subdirectory(test) +endif()