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| author | Petr Hosek <phosek@chromium.org> | 2016-11-16 23:59:06 +0000 |
|---|---|---|
| committer | Petr Hosek <phosek@chromium.org> | 2016-11-16 23:59:06 +0000 |
| commit | 8e07a88bfacfc98f0fe6e146cd0c5d4db28956a3 (patch) | |
| tree | f334c2122a3e8633316bf135d908e47879c11535 /clang/CMakeLists.txt | |
| parent | f72a8d4e08394a5b51a9ec07599b854dbd97f9a6 (diff) | |
[CMake] Support lld with LTO bootstrap
lld has LTO support, if requested we should add a dependency on lld
rather than LLVMgold when doing LTO bootstrap build.
Differential Revision: https://reviews.llvm.org/D26649
llvm-svn: 287179
Diffstat (limited to 'clang/CMakeLists.txt')
| -rw-r--r-- | clang/CMakeLists.txt | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt index ab4090d704c8..422bedaa9875 100644 --- a/clang/CMakeLists.txt +++ b/clang/CMakeLists.txt @@ -511,10 +511,10 @@ if (CLANG_ENABLE_BOOTSTRAP) set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-stamps/) set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-bins/) - # If the next stage is LTO we need to depend on LTO and possibly LLVMgold + # If the next stage is LTO we need to depend on LTO and possibly lld or LLVMgold if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO AND NOT LLVM_BUILD_INSTRUMENTED) - add_dependencies(clang-bootstrap-deps LTO) if(APPLE) + add_dependencies(clang-bootstrap-deps LTO) # on Darwin we need to set DARWIN_LTO_LIBRARY so that -flto will work # using the just-built compiler, and we need to override DYLD_LIBRARY_PATH # so that the host object file tools will use the just-built libLTO. @@ -526,7 +526,12 @@ if (CLANG_ENABLE_BOOTSTRAP) set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib -DDYLD_LIBRARY_PATH=${LLVM_LIBRARY_OUTPUT_INTDIR}) elseif(NOT WIN32) - add_dependencies(clang-bootstrap-deps LLVMgold llvm-ar llvm-ranlib) + add_dependencies(clang-bootstrap-deps llvm-ar llvm-ranlib) + if(BOOTSTRAP_LLVM_ENABLE_LLD) + add_dependencies(clang-bootstrap-deps lld) + elseif(LLVM_BINUTILS_INCDIR) + add_dependencies(clang-bootstrap-deps LLVMgold) + endif() set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar) set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib) endif() |