1f2f5ee08c
Initialize the variable with the default value, to avoid the type mismatch warnings. Fixes: QTBUG-135648 Pick-to: 6.8 Change-Id: I3ae2c59fb42676b373bcbbe06d3e6636203e283b Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io> (cherry picked from commit 52e2a89c63a059935f438209242a0065d5ac3cf5) Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
71 lines
1.8 KiB
CMake
71 lines
1.8 KiB
CMake
# 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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cmake_policy(PUSH)
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if(POLICY CMP0067)
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cmake_policy(SET CMP0067 NEW)
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endif()
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if(DEFINED CMAKE_CXX_STANDARD)
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set(_WrapResolv_CMAKE_CXX_STANDARD_back ${CMAKE_CXX_STANDARD})
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endif()
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set(CMAKE_CXX_STANDARD 11)
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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 **argv)
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{
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res_state statep = {};
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int n = res_nmkquery(statep, 0, argv[1], 0, 0, NULL, 0, NULL, NULL, 0);
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n = res_nsend(statep, NULL, 0, NULL, 0);
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n = dn_expand(NULL, NULL, NULL, NULL, 0);
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return n;
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}
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" HAVE_LIBRESOLV_FUNCTIONS)
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if(DEFINED _WrapResolv_CMAKE_CXX_STANDARD_back)
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set(CMAKE_CXX_STANDARD ${_WrapResolv_CMAKE_CXX_STANDARD_back})
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unset(_WrapResolv_CMAKE_CXX_STANDARD_back)
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else()
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unset(CMAKE_CXX_STANDARD)
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endif()
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cmake_policy(POP)
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cmake_pop_check_state()
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if(HAVE_LIBRESOLV_FUNCTIONS)
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set(WrapResolv_FOUND ON)
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add_library(WrapResolv::WrapResolv INTERFACE IMPORTED)
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if(LIBRESOLV)
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target_link_libraries(WrapResolv::WrapResolv INTERFACE "${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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