diff options
| author | Petr Hosek <phosek@chromium.org> | 2018-10-30 19:19:47 +0000 |
|---|---|---|
| committer | Petr Hosek <phosek@chromium.org> | 2018-10-30 19:19:47 +0000 |
| commit | 98b45bc391b72b4372fffe1c15b66802cac71ebd (patch) | |
| tree | 1a14b90d00e8df334971957ba531aa7136d0b290 /cmake/config-ix.cmake | |
| parent | 376be794541b152ff494c39dca5be96c63bc7629 (diff) | |
[CMake] Check -ffreestanding as C not C++ flag
When -ffreestanding is used, main() isn't considered special and
when compiled as C++ code it'll get mangled which makes the
compilation fail since main() will be undefined so this check will
never succeed.
Differential Revision: https://reviews.llvm.org/D49332
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@345632 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake/config-ix.cmake')
| -rw-r--r-- | cmake/config-ix.cmake | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake index 27097b7e9..8ab9f1f29 100644 --- a/cmake/config-ix.cmake +++ b/cmake/config-ix.cmake @@ -53,6 +53,7 @@ if (COMPILER_RT_HAS_NODEFAULTLIBS_FLAG) endif () # CodeGen options. +check_c_compiler_flag(-ffreestanding COMPILER_RT_HAS_FFREESTANDING_FLAG) check_cxx_compiler_flag(-fPIC COMPILER_RT_HAS_FPIC_FLAG) check_cxx_compiler_flag(-fPIE COMPILER_RT_HAS_FPIE_FLAG) check_cxx_compiler_flag(-fno-builtin COMPILER_RT_HAS_FNO_BUILTIN_FLAG) @@ -64,7 +65,6 @@ check_cxx_compiler_flag(-fno-sanitize=safe-stack COMPILER_RT_HAS_FNO_SANITIZE_SA check_cxx_compiler_flag(-fvisibility=hidden COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG) check_cxx_compiler_flag(-frtti COMPILER_RT_HAS_FRTTI_FLAG) check_cxx_compiler_flag(-fno-rtti COMPILER_RT_HAS_FNO_RTTI_FLAG) -check_cxx_compiler_flag(-ffreestanding COMPILER_RT_HAS_FFREESTANDING_FLAG) check_cxx_compiler_flag("-Werror -fno-function-sections" COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG) check_cxx_compiler_flag(-std=c++11 COMPILER_RT_HAS_STD_CXX11_FLAG) check_cxx_compiler_flag(-ftls-model=initial-exec COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC) |