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25 lines
685 B
CMake
25 lines
685 B
CMake
include(CheckCCompilerFlag)
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function(secp256k1_check_c_flags_internal flags output)
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string(MAKE_C_IDENTIFIER "${flags}" result)
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string(TOUPPER "${result}" result)
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set(result "C_SUPPORTS_${result}")
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if(NOT MSVC)
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set(CMAKE_REQUIRED_FLAGS "-Werror")
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endif()
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# This avoids running a linker.
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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check_c_compiler_flag("${flags}" ${result})
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set(${output} ${${result}} PARENT_SCOPE)
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endfunction()
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# Append flags to the COMPILE_OPTIONS directory property if CC accepts them.
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macro(try_append_c_flags)
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secp256k1_check_c_flags_internal("${ARGV}" result)
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if(result)
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add_compile_options(${ARGV})
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endif()
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endmacro()
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