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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 1 | include(CheckLinkerFlag OPTIONAL) |
| 2 | |||
| 3 | if (COMMAND check_linker_flag) |
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| 4 | macro(llvm_check_linker_flag) |
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| 5 | check_linker_flag(${ARGN}) |
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| 6 | endmacro() |
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| 7 | else() |
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| 8 | # Until the minimum CMAKE version is 3.18 |
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| 9 | |||
| 10 | include(CheckCXXCompilerFlag) |
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| 11 | include(CMakePushCheckState) |
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| 12 | |||
| 13 | # cmake builtin compatible, except we assume lang is C or CXX |
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| 14 | function(llvm_check_linker_flag lang flag out_var) |
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| 15 | cmake_policy(PUSH) |
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| 16 | cmake_policy(SET CMP0056 NEW) |
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| 17 | cmake_push_check_state() |
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| 18 | set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${flag}") |
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| 19 | if("${lang}" STREQUAL "C") |
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| 20 | check_c_compiler_flag("" ${out_var}) |
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| 21 | elseif("${lang}" STREQUAL "CXX") |
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| 22 | check_cxx_compiler_flag("" ${out_var}) |
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| 23 | else() |
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| 24 | message(FATAL_ERROR "\"${lang}\" is not C or CXX") |
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| 25 | endif() |
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| 26 | cmake_pop_check_state() |
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| 27 | cmake_policy(POP) |
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| 28 | endfunction() |
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| 29 | endif() |