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https://github.com/fish-shell/fish-shell
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Remove CheckIncludeFiles.cmake
We apparently vendored it for the sake of attempting to support
old cmake versions:
7aefaff298.
"This file can be dropped once the minimum version of CMake for fish is 3.11.0"
So, drop it like it's hot.
This commit is contained in:
Aaron Gyes
parent
9d59254a72
commit
398f3213d2
1 changed files with 0 additions and 123 deletions
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# Distributed under the OSI-approved BSD 3-Clause License. See full license information in
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# doc_src/license.hdr or https://cmake.org/licensing for details.
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#.rst:
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# CheckIncludeFiles
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# -----------------
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#
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# Provides a macro to check if a list of one or more header files can
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# be included together in ``C``.
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#
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# .. command:: CHECK_INCLUDE_FILES
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#
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# ::
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#
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# CHECK_INCLUDE_FILES("<includes>" <variable> [LANGUAGE <language>])
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#
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# Check if the given ``<includes>`` list may be included together
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# in a ``C`` source file and store the result in an internal cache
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# entry named ``<variable>``. Specify the ``<includes>`` argument
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# as a :ref:`;-list <CMake Language Lists>` of header file names.
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#
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# If LANGUAGE is set, the specified compiler will be used to perform the
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# check. Acceptable values are C and CXX.
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#
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# The following variables may be set before calling this macro to modify
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# the way the check is run:
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#
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# ``CMAKE_REQUIRED_FLAGS``
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# string of compile command line flags
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# ``CMAKE_REQUIRED_DEFINITIONS``
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# list of macros to define (-DFOO=bar)
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# ``CMAKE_REQUIRED_INCLUDES``
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# list of include directories
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# ``CMAKE_REQUIRED_QUIET``
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# execute quietly without messages
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#
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# See modules :module:`CheckIncludeFile` and :module:`CheckIncludeFileCXX`
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# to check for a single header file in ``C`` or ``CXX`` languages.
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macro(CHECK_INCLUDE_FILES INCLUDE VARIABLE)
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if(NOT DEFINED "${VARIABLE}")
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set(CMAKE_CONFIGURABLE_FILE_CONTENT "/* */\n")
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if("x${ARGN}" STREQUAL "x")
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if(CMAKE_C_COMPILER_LOADED)
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set(_lang C)
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elseif(CMAKE_CXX_COMPILER_LOADED)
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set(_lang CXX)
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else()
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message(FATAL_ERROR "CHECK_INCLUDE_FILES needs either C or CXX language enabled")
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endif()
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elseif("x${ARGN}" MATCHES "^xLANGUAGE;([a-zA-Z]+)$")
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set(_lang "${CMAKE_MATCH_1}")
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else()
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message(FATAL_ERROR "Unknown arguments:\n ${ARGN}\n")
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endif()
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if(_lang STREQUAL "C")
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set(src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckIncludeFiles/${VARIABLE}.c)
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elseif(_lang STREQUAL "CXX")
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set(src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckIncludeFiles/${VARIABLE}.cpp)
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else()
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message(FATAL_ERROR "Unknown language:\n ${_lang}\nSupported languages: C, CXX.\n")
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endif()
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if(CMAKE_REQUIRED_INCLUDES)
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set(CHECK_INCLUDE_FILES_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}")
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else()
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set(CHECK_INCLUDE_FILES_INCLUDE_DIRS)
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endif()
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set(CHECK_INCLUDE_FILES_CONTENT "/* */\n")
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set(MACRO_CHECK_INCLUDE_FILES_FLAGS ${CMAKE_REQUIRED_FLAGS})
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foreach(FILE ${INCLUDE})
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string(APPEND CMAKE_CONFIGURABLE_FILE_CONTENT
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"#include <${FILE}>\n")
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endforeach()
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string(APPEND CMAKE_CONFIGURABLE_FILE_CONTENT
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"\n\nint main(void){return 0;}\n")
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configure_file("${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in"
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"${src}" @ONLY)
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set(_INCLUDE ${INCLUDE}) # remove empty elements
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if("${_INCLUDE}" MATCHES "^([^;]+);.+;([^;]+)$")
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list(LENGTH _INCLUDE _INCLUDE_LEN)
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set(_description "${_INCLUDE_LEN} include files ${CMAKE_MATCH_1}, ..., ${CMAKE_MATCH_2}")
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elseif("${_INCLUDE}" MATCHES "^([^;]+);([^;]+)$")
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set(_description "include files ${CMAKE_MATCH_1}, ${CMAKE_MATCH_2}")
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else()
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set(_description "include file ${_INCLUDE}")
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endif()
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if(NOT CMAKE_REQUIRED_QUIET)
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message(STATUS "Looking for ${_description}")
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endif()
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try_compile(${VARIABLE}
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${CMAKE_BINARY_DIR}
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${src}
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COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
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CMAKE_FLAGS
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-DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_INCLUDE_FILES_FLAGS}
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"${CHECK_INCLUDE_FILES_INCLUDE_DIRS}"
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OUTPUT_VARIABLE OUTPUT)
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if(${VARIABLE})
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if(NOT CMAKE_REQUIRED_QUIET)
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message(STATUS "Looking for ${_description} - found")
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endif()
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set(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if files ${INCLUDE} "
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"exist passed with the following output:\n"
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"${OUTPUT}\n\n")
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else()
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if(NOT CMAKE_REQUIRED_QUIET)
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message(STATUS "Looking for ${_description} - not found")
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endif()
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set(${VARIABLE} "" CACHE INTERNAL "Have includes ${INCLUDE}")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if files ${INCLUDE} "
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"exist failed with the following output:\n"
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"${OUTPUT}\nSource:\n${CMAKE_CONFIGURABLE_FILE_CONTENT}\n")
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endif()
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endif()
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endmacro()
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