50 lines
1.2 KiB
CMake
50 lines
1.2 KiB
CMake
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# Copyright (C) 2022 The Qt Company Ltd.
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# Copyright (C) 2023 Intel Corpotation.
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# SPDX-License-Identifier: BSD-3-Clause
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# We can't create the same interface imported target multiple times, CMake will complain if we do
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# that. This can happen if the find_package call is done in multiple different subdirectories.
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if(TARGET WrapResolv::WrapResolv)
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set(WrapResolv_FOUND ON)
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return()
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endif()
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set(WrapResolv_FOUND OFF)
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include(CheckCXXSourceCompiles)
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include(CMakePushCheckState)
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if(QNX)
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find_library(LIBRESOLV socket)
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else()
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find_library(LIBRESOLV resolv)
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endif()
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cmake_push_check_state()
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if(LIBRESOLV)
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list(APPEND CMAKE_REQUIRED_LIBRARIES "${LIBRESOLV}")
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endif()
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check_cxx_source_compiles("
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#include <netinet/in.h>
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#include <resolv.h>
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int main(int, char **)
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{
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res_init();
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}
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" HAVE_RES_INIT)
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cmake_pop_check_state()
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if(HAVE_RES_INIT)
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set(WrapResolv_FOUND ON)
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add_library(WrapResolv::WrapResolv INTERFACE IMPORTED)
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if(LIBRESOLV)
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target_link_libraries(WrapResolv::WrapResolv INTERFACE "${LIBRESOLV}")
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endif()
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(WrapResolv DEFAULT_MSG WrapResolv_FOUND)
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