1#*************************************************************************** 2# _ _ ____ _ 3# Project ___| | | | _ \| | 4# / __| | | | |_) | | 5# | (__| |_| | _ <| |___ 6# \___|\___/|_| \_\_____| 7# 8# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 9# 10# This software is licensed as described in the file COPYING, which 11# you should have received as part of this distribution. The terms 12# are also available at https://curl.se/docs/copyright.html. 13# 14# You may opt to use, copy, modify, merge, publish, distribute and/or sell 15# copies of the Software, and permit persons to whom the Software is 16# furnished to do so, under the terms of the COPYING file. 17# 18# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19# KIND, either express or implied. 20# 21# SPDX-License-Identifier: curl 22# 23########################################################################### 24# File defines convenience macros for available feature testing 25 26# Check if header file exists and add it to the list. 27# This macro is intended to be called multiple times with a sequence of 28# possibly dependent header files. Some headers depend on others to be 29# compiled correctly. 30macro(check_include_file_concat_curl _file _variable) 31 check_include_files("${CURL_INCLUDES};${_file}" ${_variable}) 32 if(${_variable}) 33 list(APPEND CURL_INCLUDES ${_file}) 34 endif() 35endmacro() 36 37# For other curl specific tests, use this macro. 38# Return result in variable: CURL_TEST_OUTPUT 39macro(curl_internal_test _curl_test) 40 if(NOT DEFINED "${_curl_test}") 41 string(REPLACE ";" " " _cmake_required_definitions "${CMAKE_REQUIRED_DEFINITIONS}") 42 if(CMAKE_REQUIRED_LIBRARIES) 43 set(_curl_test_add_libraries 44 "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") 45 endif() 46 47 message(STATUS "Performing Test ${_curl_test}") 48 try_compile(${_curl_test} 49 ${PROJECT_BINARY_DIR} 50 "${CMAKE_CURRENT_SOURCE_DIR}/CMake/CurlTests.c" 51 CMAKE_FLAGS 52 "-DCOMPILE_DEFINITIONS:STRING=-D${_curl_test} ${CURL_TEST_DEFINES} ${_cmake_required_definitions}" 53 "${_curl_test_add_libraries}" 54 OUTPUT_VARIABLE CURL_TEST_OUTPUT) 55 if(${_curl_test}) 56 set(${_curl_test} 1 CACHE INTERNAL "Curl test") 57 message(STATUS "Performing Test ${_curl_test} - Success") 58 else() 59 set(${_curl_test} "" CACHE INTERNAL "Curl test") 60 message(STATUS "Performing Test ${_curl_test} - Failed") 61 endif() 62 endif() 63endmacro() 64 65macro(curl_dependency_option _option_name _find_name _desc_name) 66 set(${_option_name} "AUTO" CACHE STRING "Build curl with ${_desc_name} support (AUTO, ON or OFF)") 67 set_property(CACHE ${_option_name} PROPERTY STRINGS "AUTO" "ON" "OFF") 68 69 if(${_option_name} STREQUAL "AUTO") 70 find_package(${_find_name}) 71 elseif(${_option_name}) 72 find_package(${_find_name} REQUIRED) 73 endif() 74endmacro() 75 76# Convert the passed paths to libpath linker options and add them to CMAKE_REQUIRED_*. 77macro(curl_required_libpaths _libpaths_arg) 78 if(CMAKE_VERSION VERSION_LESS 3.31) 79 set(_libpaths "${_libpaths_arg}") 80 foreach(_libpath IN LISTS _libpaths) 81 list(APPEND CMAKE_REQUIRED_LINK_OPTIONS "${CMAKE_LIBRARY_PATH_FLAG}${_libpath}") 82 endforeach() 83 else() 84 list(APPEND CMAKE_REQUIRED_LINK_DIRECTORIES "${_libpaths_arg}") 85 endif() 86endmacro() 87