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https://github.com/wesnoth/wesnoth
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c42ba83b82
It seems that cmake won't pick up on the FindPackageHandleStandardArgs macro on its on from homebrew so I've updated the script to include it.
132 lines
5.3 KiB
CMake
132 lines
5.3 KiB
CMake
#.rst:
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# FindSDL2_image
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# -------------
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#
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# Locate SDL2_image library
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#
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# This module defines:
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#
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# ::
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#
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# SDL2_IMAGE_LIBRARIES, the name of the library to link against
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# SDL2_IMAGE_INCLUDE_DIRS, where to find the headers
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# SDL2_IMAGE_FOUND, if false, do not try to link against
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# SDL2_IMAGE_VERSION_STRING - human-readable string containing the
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# version of SDL2_image
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#
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#
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#
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# For backward compatiblity the following variables are also set:
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#
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# ::
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#
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# SDL2IMAGE_LIBRARY (same value as SDL2_IMAGE_LIBRARIES)
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# SDL2IMAGE_INCLUDE_DIR (same value as SDL2_IMAGE_INCLUDE_DIRS)
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# SDL2IMAGE_FOUND (same value as SDL2_IMAGE_FOUND)
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#
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#
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#
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# $SDL2DIR is an environment variable that would correspond to the
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# ./configure --prefix=$SDL2DIR used in building SDL2.
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#
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# Created by Andreas Löf. This was influenced by the FindSDL_image.cmake
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# module, but with modifications to use SDL2.
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#
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#=============================================================================
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# Copyright 2005-2009 Kitware, Inc.
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# Copyright 2012 Benjamin Eikel
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# Copyright 2015 Andreas Löf
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# * Neither the names of Kitware, Inc., the Insight Software Consortium,
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# nor the names of their contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#=============================================================================
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if(NOT SDL2_IMAGE_INCLUDE_DIR AND SDL2IMAGE_INCLUDE_DIR)
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set(SDL2_IMAGE_INCLUDE_DIR ${SDL2IMAGE_INCLUDE_DIR} CACHE PATH "directory cache
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entry initialized from old variable name")
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endif()
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find_path(SDL2_IMAGE_INCLUDE_DIR SDL_image.h
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HINTS
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ENV SDL2IMAGEDIR
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ENV SDL2DIR
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PATH_SUFFIXES SDL2
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# path suffixes to search inside ENV{SDL2DIR}
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include/SDL2
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)
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(VC_LIB_PATH_SUFFIX lib/x64)
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else()
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set(VC_LIB_PATH_SUFFIX lib/x86)
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endif()
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if(NOT SDL2_IMAGE_LIBRARY AND SDL2IMAGE_LIBRARY)
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set(SDL2_IMAGE_LIBRARY ${SDL2IMAGE_LIBRARY} CACHE FILEPATH "file cache entry
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initialized from old variable name")
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endif()
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find_library(SDL2_IMAGE_LIBRARY
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NAMES SDL2_image
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HINTS
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ENV SDL2IMAGEDIR
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ENV SDL2DIR
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PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
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)
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if(SDL2_IMAGE_INCLUDE_DIR AND EXISTS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h")
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file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
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file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
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file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
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string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MAJOR "${SDL_IMAGE_VERSION_MAJOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MINOR "${SDL_IMAGE_VERSION_MINOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_PATCH "${SDL_IMAGE_VERSION_PATCH_LINE}")
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set(SDL2_IMAGE_VERSION_STRING ${SDL_IMAGE_VERSION_MAJOR}.${SDL_IMAGE_VERSION_MINOR}.${SDL_IMAGE_VERSION_PATCH})
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unset(SDL_IMAGE_VERSION_MAJOR_LINE)
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unset(SDL_IMAGE_VERSION_MINOR_LINE)
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unset(SDL_IMAGE_VERSION_PATCH_LINE)
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unset(SDL_IMAGE_VERSION_MAJOR)
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unset(SDL_IMAGE_VERSION_MINOR)
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unset(SDL_IMAGE_VERSION_PATCH)
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endif()
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set(SDL2_IMAGE_LIBRARIES ${SDL2_IMAGE_LIBRARY})
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set(SDL2_IMAGE_INCLUDE_DIRS ${SDL2_IMAGE_INCLUDE_DIR})
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_image
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REQUIRED_VARS SDL2_IMAGE_LIBRARIES SDL2_IMAGE_INCLUDE_DIRS
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VERSION_VAR SDL2_IMAGE_VERSION_STRING)
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# for backward compatiblity
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set(SDL2IMAGE_LIBRARY ${SDL2_IMAGE_LIBRARIES})
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set(SDL2IMAGE_INCLUDE_DIR ${SDL2_IMAGE_INCLUDE_DIRS})
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set(SDL2IMAGE_FOUND ${SDL2_IMAGE_FOUND})
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mark_as_advanced(SDL2_IMAGE_LIBRARY SDL2_IMAGE_INCLUDE_DIR)
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