[PATCH] D143088: [CMake] Save and restore CMAKE_EXE_LINKER_FLAGS manually
Petr Hosek via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 1 09:32:08 PST 2023
phosek created this revision.
phosek added a reviewer: mstorsjo.
Herald added a project: All.
phosek requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
cmake_push_check_state and cmake_pop_check_state doesn't save and
restore CMAKE_EXE_LINKER_FLAGS so we need to do it manually.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D143088
Files:
llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
Index: llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
===================================================================
--- llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
+++ llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
@@ -8,13 +8,12 @@
# Until the minimum CMAKE version is 3.18
include(CheckCXXCompilerFlag)
- include(CMakePushCheckState)
# cmake builtin compatible, except we assume lang is C or CXX
function(llvm_check_linker_flag lang flag out_var)
cmake_policy(PUSH)
cmake_policy(SET CMP0056 NEW)
- cmake_push_check_state()
+ set(_CMAKE_EXE_LINKER_FLAGS_SAVE ${CMAKE_EXE_LINKER_FLAGS})
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${flag}")
if("${lang}" STREQUAL "C")
check_c_compiler_flag("" ${out_var})
@@ -23,7 +22,7 @@
else()
message(FATAL_ERROR "\"${lang}\" is not C or CXX")
endif()
- cmake_pop_check_state()
+ set(CMAKE_EXE_LINKER_FLAGS ${_CMAKE_EXE_LINKER_FLAGS_SAVE})
cmake_policy(POP)
endfunction()
endif()
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