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cmake/module/CheckSourceCompilesWithFlags.cmake
34 строки
1 KB
Hennadii Stepanov
scripted-diff: Rename CMake helper module
20 фев 2025, 15:39
Не верифицирован
20 фев 2025, 15:39
ea929c0
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# Copyright (c) 2023-present The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or https://opensource.org/license/mit/. include_guard(GLOBAL) #[=[ Check once if C++ source code can be compiled. Options: CXXFLAGS - A list of additional flags to pass to the compiler. LDFLAGS - A list of additional flags to pass to the linker. LINK_LIBRARIES - A list of libraries to add to the link command. For historical reasons, among the CMake `CMAKE_REQUIRED_*` variables that influence `check_cxx_source_compiles()`, only `CMAKE_REQUIRED_FLAGS` is a string rather than a list. Additionally, `target_compile_options()` also expects a list of options. The `check_cxx_source_compiles_with_flags()` function handles this case and accepts `CXXFLAGS` as a list, simplifying the code at the caller site. #]=] function(check_cxx_source_compiles_with_flags source result_var) cmake_parse_arguments(PARSE_ARGV 2 _ "" "" "CXXFLAGS;LDFLAGS;LINK_LIBRARIES") list(JOIN __CXXFLAGS " " CMAKE_REQUIRED_FLAGS) set(CMAKE_REQUIRED_LINK_OPTIONS ${__LDFLAGS}) set(CMAKE_REQUIRED_LIBRARIES ${__LINK_LIBRARIES}) include(CheckCXXSourceCompiles) check_cxx_source_compiles("${source}" ${result_var}) set(${result_var} ${${result_var}} PARENT_SCOPE) endfunction()