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| author | Vladislav Khmelevsky <och95@yandex.ru> | 2023-09-15 14:52:20 +0400 |
|---|---|---|
| committer | Vladislav Khmelevsky <och95@yandex.ru> | 2023-09-19 23:29:05 +0400 |
| commit | 80c01dd626e05369aa438ca3800bbd5874cfc8e4 (patch) | |
| tree | f4b9fc539db5e600df279d3e6a69361ca99c69b3 | |
| parent | 682270877d43c26d2ab3eed8c7f88bff12e9f19d (diff) | |
| download | llvm-80c01dd626e05369aa438ca3800bbd5874cfc8e4.zip llvm-80c01dd626e05369aa438ca3800bbd5874cfc8e4.tar.gz llvm-80c01dd626e05369aa438ca3800bbd5874cfc8e4.tar.bz2 | |
[BOLT][runtime] Test for outline-atomics support
I'm using clang-10 to build bolt which doesn't have moutline-atomics
option and though it doesn't do it. So test compiler for supporting it
before appending to the list of cxxflags.
Differential Revision: https://reviews.llvm.org/D159521
| -rw-r--r-- | bolt/runtime/CMakeLists.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/bolt/runtime/CMakeLists.txt b/bolt/runtime/CMakeLists.txt index 838c8cb..6a65f80 100644 --- a/bolt/runtime/CMakeLists.txt +++ b/bolt/runtime/CMakeLists.txt @@ -1,4 +1,5 @@ cmake_minimum_required(VERSION 3.20.0) +include(CheckCXXCompilerFlag) include(CheckIncludeFiles) include(GNUInstallDirs) @@ -33,7 +34,10 @@ if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64") set(BOLT_RT_FLAGS ${BOLT_RT_FLAGS} "-mno-sse") endif() if (CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64") - set(BOLT_RT_FLAGS ${BOLT_RT_FLAGS} "-mno-outline-atomics") + check_cxx_compiler_flag("-mno-outline-atomics" CXX_SUPPORTS_OUTLINE_ATOMICS) + if (CXX_SUPPORTS_OUTLINE_ATOMICS) + set(BOLT_RT_FLAGS ${BOLT_RT_FLAGS} "-mno-outline-atomics") + endif() endif() # Don't let the compiler think it can create calls to standard libs |