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SDL2 ships with CMake config files, so a finder file should not be necessary for it.pull/1706/head
Gleb Mazovetskiy
5 years ago
committed by
Anders Jenbo
2 changed files with 8 additions and 262 deletions
@ -1,255 +0,0 @@
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# - Find SDL2 |
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# Find the SDL2 headers and libraries |
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# |
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# SDL2::SDL2 - Imported target to use for building a library |
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# SDL2::SDL2main - Imported interface target to use if you want SDL and SDLmain. |
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# SDL2_FOUND - True if SDL2 was found. |
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# SDL2_DYNAMIC - If we found a DLL version of SDL (meaning you might want to copy a DLL from SDL2::SDL2) |
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# |
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# Original Author: |
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# 2015 Ryan Pavlik <ryan.pavlik@gmail.com> <abiryan@ryand.net> |
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# |
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# Copyright Sensics, Inc. 2015. |
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# Distributed under the Boost Software License, Version 1.0. |
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# (See accompanying file LICENSE_1_0.txt or copy at |
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# http://www.boost.org/LICENSE_1_0.txt) |
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# Set up architectures (for windows) and prefixes (for mingw builds) |
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if(WIN32) |
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if(MINGW) |
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include(MinGWSearchPathExtras OPTIONAL) |
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if(MINGWSEARCH_TARGET_TRIPLE) |
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set(SDL2_PREFIX ${MINGWSEARCH_TARGET_TRIPLE}) |
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endif() |
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endif() |
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if(CMAKE_SIZEOF_VOID_P EQUAL 8) |
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set(SDL2_LIB_PATH_SUFFIX lib/x64) |
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if(NOT MSVC AND NOT SDL2_PREFIX) |
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set(SDL2_PREFIX x86_64-w64-mingw32) |
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endif() |
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else() |
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set(SDL2_LIB_PATH_SUFFIX lib/x86) |
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if(NOT MSVC AND NOT SDL2_PREFIX) |
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set(SDL2_PREFIX i686-w64-mingw32) |
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endif() |
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endif() |
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endif() |
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if(SDL2_PREFIX) |
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set(SDL2_ORIGPREFIXPATH ${CMAKE_PREFIX_PATH}) |
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if(SDL2_ROOT_DIR) |
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list(APPEND CMAKE_PREFIX_PATH "${SDL2_ROOT_DIR}") |
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endif() |
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if(CMAKE_PREFIX_PATH) |
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foreach(_prefix ${CMAKE_PREFIX_PATH}) |
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list(APPEND CMAKE_PREFIX_PATH "${_prefix}/${SDL2_PREFIX}") |
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endforeach() |
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endif() |
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if(MINGWSEARCH_PREFIXES) |
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list(APPEND CMAKE_PREFIX_PATH ${MINGWSEARCH_PREFIXES}) |
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endif() |
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endif() |
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# Invoke pkgconfig for hints |
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find_package(PkgConfig QUIET) |
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set(SDL2_INCLUDE_HINTS) |
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set(SDL2_LIB_HINTS) |
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if(PKG_CONFIG_FOUND) |
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pkg_search_module(SDL2PC QUIET sdl2) |
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if(SDL2PC_INCLUDE_DIRS) |
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set(SDL2_INCLUDE_HINTS ${SDL2PC_INCLUDE_DIRS}) |
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endif() |
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if(SDL2PC_LIBRARY_DIRS) |
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set(SDL2_LIB_HINTS ${SDL2PC_LIBRARY_DIRS}) |
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endif() |
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endif() |
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include(FindPackageHandleStandardArgs) |
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find_library(SDL2_LIBRARY |
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NAMES |
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SDL2 |
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HINTS |
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${SDL2_LIB_HINTS} |
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PATHS |
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${SDL2_ROOT_DIR} |
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ENV SDL2DIR |
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PATH_SUFFIXES lib SDL2 ${SDL2_LIB_PATH_SUFFIX}) |
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set(_sdl2_framework FALSE) |
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# Some special-casing if we've found/been given a framework. |
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# Handles whether we're given the library inside the framework or the framework itself. |
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if(APPLE AND "${SDL2_LIBRARY}" MATCHES "(/[^/]+)*.framework(/.*)?$") |
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set(_sdl2_framework TRUE) |
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set(SDL2_FRAMEWORK "${SDL2_LIBRARY}") |
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# Move up in the directory tree as required to get the framework directory. |
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while("${SDL2_FRAMEWORK}" MATCHES "(/[^/]+)*.framework(/.*)$" AND NOT "${SDL2_FRAMEWORK}" MATCHES "(/[^/]+)*.framework$") |
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get_filename_component(SDL2_FRAMEWORK "${SDL2_FRAMEWORK}" DIRECTORY) |
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endwhile() |
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if("${SDL2_FRAMEWORK}" MATCHES "(/[^/]+)*.framework$") |
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set(SDL2_FRAMEWORK_NAME ${CMAKE_MATCH_1}) |
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# If we found a framework, do a search for the header ahead of time that will be more likely to get the framework header. |
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find_path(SDL2_INCLUDE_DIR |
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NAMES |
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SDL_haptic.h # this file was introduced with SDL2 |
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HINTS |
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"${SDL2_FRAMEWORK}/Headers/") |
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else() |
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# For some reason we couldn't get the framework directory itself. |
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# Shouldn't happen, but might if something is weird. |
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unset(SDL2_FRAMEWORK) |
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endif() |
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endif() |
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find_path(SDL2_INCLUDE_DIR |
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NAMES |
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SDL_haptic.h # this file was introduced with SDL2 |
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HINTS |
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${SDL2_INCLUDE_HINTS} |
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PATHS |
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${SDL2_ROOT_DIR} |
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ENV SDL2DIR |
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PATH_SUFFIXES include include/sdl2 include/SDL2 SDL2) |
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if(WIN32 AND SDL2_LIBRARY) |
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find_file(SDL2_RUNTIME_LIBRARY |
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NAMES |
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SDL2.dll |
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libSDL2.dll |
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HINTS |
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${SDL2_LIB_HINTS} |
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PATHS |
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${SDL2_ROOT_DIR} |
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ENV SDL2DIR |
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PATH_SUFFIXES bin lib ${SDL2_LIB_PATH_SUFFIX}) |
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endif() |
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if(WIN32 OR ANDROID OR IOS OR (APPLE AND NOT _sdl2_framework)) |
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set(SDL2_EXTRA_REQUIRED SDL2_SDLMAIN_LIBRARY) |
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find_library(SDL2_SDLMAIN_LIBRARY |
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NAMES |
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SDL2main |
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PATHS |
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${SDL2_ROOT_DIR} |
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ENV SDL2DIR |
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PATH_SUFFIXES lib ${SDL2_LIB_PATH_SUFFIX}) |
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endif() |
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if(MINGW AND NOT SDL2PC_FOUND) |
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find_library(SDL2_MINGW_LIBRARY mingw32) |
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find_library(SDL2_MWINDOWS_LIBRARY mwindows) |
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endif() |
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if(SDL2_PREFIX) |
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# Restore things the way they used to be. |
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set(CMAKE_PREFIX_PATH ${SDL2_ORIGPREFIXPATH}) |
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endif() |
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# handle the QUIETLY and REQUIRED arguments and set QUATLIB_FOUND to TRUE if |
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# all listed variables are TRUE |
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include(FindPackageHandleStandardArgs) |
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find_package_handle_standard_args(SDL2 |
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DEFAULT_MSG |
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SDL2_LIBRARY |
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SDL2_INCLUDE_DIR |
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${SDL2_EXTRA_REQUIRED}) |
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if(SDL2_FOUND) |
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if(NOT TARGET SDL2::SDL2) |
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# Create SDL2::SDL2 |
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if(WIN32 AND SDL2_RUNTIME_LIBRARY) |
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set(SDL2_DYNAMIC TRUE) |
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add_library(SDL2::SDL2 SHARED IMPORTED) |
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set_target_properties(SDL2::SDL2 |
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PROPERTIES |
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IMPORTED_IMPLIB "${SDL2_LIBRARY}" |
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IMPORTED_LOCATION "${SDL2_RUNTIME_LIBRARY}" |
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INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}" |
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) |
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else() |
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add_library(SDL2::SDL2 UNKNOWN IMPORTED) |
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if(SDL2_FRAMEWORK AND SDL2_FRAMEWORK_NAME) |
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# Handle the case that SDL2 is a framework and we were able to decompose it above. |
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set_target_properties(SDL2::SDL2 PROPERTIES |
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IMPORTED_LOCATION "${SDL2_FRAMEWORK}/${SDL2_FRAMEWORK_NAME}") |
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elseif(_sdl2_framework AND SDL2_LIBRARY MATCHES "(/[^/]+)*.framework$") |
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# Handle the case that SDL2 is a framework and SDL_LIBRARY is just the framework itself. |
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# This takes the basename of the framework, without the extension, |
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# and sets it (as a child of the framework) as the imported location for the target. |
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# This is the library symlink inside of the framework. |
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set_target_properties(SDL2::SDL2 PROPERTIES |
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IMPORTED_LOCATION "${SDL2_LIBRARY}/${CMAKE_MATCH_1}") |
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else() |
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# Handle non-frameworks (including non-Mac), as well as the case that we're given the library inside of the framework |
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set_target_properties(SDL2::SDL2 PROPERTIES |
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IMPORTED_LOCATION "${SDL2_LIBRARY}") |
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endif() |
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set_target_properties(SDL2::SDL2 |
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PROPERTIES |
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INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}" |
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) |
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endif() |
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if(APPLE) |
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# Need Cocoa here, is always a framework |
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find_library(SDL2_COCOA_LIBRARY Cocoa) |
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list(APPEND SDL2_EXTRA_REQUIRED SDL2_COCOA_LIBRARY) |
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if(SDL2_COCOA_LIBRARY) |
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set_target_properties(SDL2::SDL2 PROPERTIES |
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IMPORTED_LINK_INTERFACE_LIBRARIES ${SDL2_COCOA_LIBRARY}) |
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endif() |
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endif() |
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# Compute what to do with SDL2main |
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set(SDL2MAIN_LIBRARIES SDL2::SDL2) |
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add_library(SDL2::SDL2main INTERFACE IMPORTED) |
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if(SDL2_SDLMAIN_LIBRARY) |
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add_library(SDL2::SDL2main_real STATIC IMPORTED) |
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set_target_properties(SDL2::SDL2main_real |
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PROPERTIES |
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IMPORTED_LOCATION "${SDL2_SDLMAIN_LIBRARY}") |
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set(SDL2MAIN_LIBRARIES SDL2::SDL2main_real ${SDL2MAIN_LIBRARIES}) |
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endif() |
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if(MINGW) |
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# Bugfix |
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set(SDL2MAIN_LIBRARIES -Wl,--whole-archive ${SDL2MAIN_LIBRARIES} -Wl,--no-whole-archive) |
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# MinGW requires some additional libraries to appear earlier in the link line. |
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if(SDL2PC_LIBRARIES) |
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# Use pkgconfig-suggested extra libraries if available. |
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list(REMOVE_ITEM SDL2PC_LIBRARIES SDL2main SDL2) |
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set(SDL2MAIN_LIBRARIES ${SDL2PC_LIBRARIES} ${SDL2MAIN_LIBRARIES}) |
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else() |
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# fall back to extra libraries specified in pkg-config in |
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# an official binary distro of SDL2 for MinGW I downloaded |
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if(SDL2_MINGW_LIBRARY) |
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set(SDL2MAIN_LIBRARIES ${SDL2_MINGW_LIBRARY} ${SDL2MAIN_LIBRARIES}) |
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endif() |
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if(SDL2_MWINDOWS_LIBRARY) |
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set(SDL2MAIN_LIBRARIES ${SDL2_MWINDOWS_LIBRARY} ${SDL2MAIN_LIBRARIES}) |
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endif() |
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endif() |
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set_target_properties(SDL2::SDL2main |
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PROPERTIES |
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INTERFACE_COMPILE_DEFINITIONS "main=SDL_main") |
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endif() |
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set_target_properties(SDL2::SDL2main |
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PROPERTIES |
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INTERFACE_LINK_LIBRARIES "${SDL2MAIN_LIBRARIES}") |
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endif() |
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mark_as_advanced(SDL2_ROOT_DIR) |
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endif() |
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mark_as_advanced(SDL2_LIBRARY |
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SDL2_RUNTIME_LIBRARY |
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SDL2_INCLUDE_DIR |
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SDL2_SDLMAIN_LIBRARY |
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SDL2_COCOA_LIBRARY |
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SDL2_MINGW_LIBRARY |
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SDL2_MWINDOWS_LIBRARY) |
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find_package(Threads REQUIRED) |
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set_property(TARGET SDL2::SDL2 APPEND PROPERTY |
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INTERFACE_LINK_LIBRARIES Threads::Threads) |
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