diff options
Diffstat (limited to 'CMake/Macros.cmake')
| -rw-r--r-- | CMake/Macros.cmake | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/CMake/Macros.cmake b/CMake/Macros.cmake new file mode 100644 index 00000000..d57dd6ad --- /dev/null +++ b/CMake/Macros.cmake @@ -0,0 +1,120 @@ +#*************************************************************************** +# _ _ ____ _ +# Project ___| | | | _ \| | +# / __| | | | |_) | | +# | (__| |_| | _ <| |___ +# \___|\___/|_| \_\_____| +# +# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al. +# +# This software is licensed as described in the file COPYING, which +# you should have received as part of this distribution. The terms +# are also available at https://curl.se/docs/copyright.html. +# +# You may opt to use, copy, modify, merge, publish, distribute and/or sell +# copies of the Software, and permit persons to whom the Software is +# furnished to do so, under the terms of the COPYING file. +# +# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY +# KIND, either express or implied. +# +########################################################################### +#File defines convenience macros for available feature testing + +# This macro checks if the symbol exists in the library and if it +# does, it prepends library to the list. It is intended to be called +# multiple times with a sequence of possibly dependent libraries in +# order of least-to-most-dependent. Some libraries depend on others +# to link correctly. +macro(check_library_exists_concat LIBRARY SYMBOL VARIABLE) + check_library_exists("${LIBRARY};${CURL_LIBS}" ${SYMBOL} "${CMAKE_LIBRARY_PATH}" + ${VARIABLE}) + if(${VARIABLE}) + set(CURL_LIBS ${LIBRARY} ${CURL_LIBS}) + endif() +endmacro() + +# Check if header file exists and add it to the list. +# This macro is intended to be called multiple times with a sequence of +# possibly dependent header files. Some headers depend on others to be +# compiled correctly. +macro(check_include_file_concat FILE VARIABLE) + check_include_files("${CURL_INCLUDES};${FILE}" ${VARIABLE}) + if(${VARIABLE}) + set(CURL_INCLUDES ${CURL_INCLUDES} ${FILE}) + set(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -D${VARIABLE}") + endif() +endmacro() + +# For other curl specific tests, use this macro. +macro(curl_internal_test CURL_TEST) + if(NOT DEFINED "${CURL_TEST}") + set(MACRO_CHECK_FUNCTION_DEFINITIONS + "-D${CURL_TEST} ${CURL_TEST_DEFINES} ${CMAKE_REQUIRED_FLAGS}") + if(CMAKE_REQUIRED_LIBRARIES) + set(CURL_TEST_ADD_LIBRARIES + "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") + endif() + + message(STATUS "Performing Curl Test ${CURL_TEST}") + try_compile(${CURL_TEST} + ${CMAKE_BINARY_DIR} + ${CMAKE_CURRENT_SOURCE_DIR}/CMake/CurlTests.c + CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} + "${CURL_TEST_ADD_LIBRARIES}" + OUTPUT_VARIABLE OUTPUT) + if(${CURL_TEST}) + set(${CURL_TEST} 1 CACHE INTERNAL "Curl test ${FUNCTION}") + message(STATUS "Performing Curl Test ${CURL_TEST} - Success") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Performing Curl Test ${CURL_TEST} passed with the following output:\n" + "${OUTPUT}\n") + else() + message(STATUS "Performing Curl Test ${CURL_TEST} - Failed") + set(${CURL_TEST} "" CACHE INTERNAL "Curl test ${FUNCTION}") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Performing Curl Test ${CURL_TEST} failed with the following output:\n" + "${OUTPUT}\n") + endif() + endif() +endmacro() + +macro(curl_nroff_check) + find_program(NROFF NAMES gnroff nroff) + if(NROFF) + # Need a way to write to stdin, this will do + file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt" "test") + # Tests for a valid nroff option to generate a manpage + foreach(_MANOPT "-man" "-mandoc") + execute_process(COMMAND "${NROFF}" ${_MANOPT} + OUTPUT_VARIABLE NROFF_MANOPT_OUTPUT + INPUT_FILE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt" + ERROR_QUIET) + # Save the option if it was valid + if(NROFF_MANOPT_OUTPUT) + message("Found *nroff option: -- ${_MANOPT}") + set(NROFF_MANOPT ${_MANOPT}) + set(NROFF_USEFUL ON) + break() + endif() + endforeach() + # No need for the temporary file + file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt") + if(NOT NROFF_USEFUL) + message(WARNING "Found no *nroff option to get plaintext from man pages") + endif() + else() + message(WARNING "Found no *nroff program") + endif() +endmacro() + +macro(optional_dependency DEPENDENCY) + set(CURL_${DEPENDENCY} AUTO CACHE STRING "Build curl with ${DEPENDENCY} support (AUTO, ON or OFF)") + set_property(CACHE CURL_${DEPENDENCY} PROPERTY STRINGS AUTO ON OFF) + + if(CURL_${DEPENDENCY} STREQUAL AUTO) + find_package(${DEPENDENCY}) + elseif(CURL_${DEPENDENCY}) + find_package(${DEPENDENCY} REQUIRED) + endif() +endmacro() |