1# Distributed under the OSI-approved BSD 3-Clause License. See accompanying 2# file Copyright.txt or https://cmake.org/licensing for details. 3 4#[=======================================================================[.rst: 5FindSDL_image 6------------- 7 8Locate SDL_image library 9 10This module defines: 11 12:: 13 14 SDL_IMAGE_LIBRARIES, the name of the library to link against 15 SDL_IMAGE_INCLUDE_DIRS, where to find the headers 16 SDL_IMAGE_FOUND, if false, do not try to link against 17 SDL_IMAGE_VERSION_STRING - human-readable string containing the 18 version of SDL_image 19 20 21 22For backward compatibility the following variables are also set: 23 24:: 25 26 SDLIMAGE_LIBRARY (same value as SDL_IMAGE_LIBRARIES) 27 SDLIMAGE_INCLUDE_DIR (same value as SDL_IMAGE_INCLUDE_DIRS) 28 SDLIMAGE_FOUND (same value as SDL_IMAGE_FOUND) 29 30 31 32$SDLDIR is an environment variable that would correspond to the 33./configure --prefix=$SDLDIR used in building SDL. 34 35Created by Eric Wing. This was influenced by the FindSDL.cmake 36module, but with modifications to recognize OS X frameworks and 37additional Unix paths (FreeBSD, etc). 38#]=======================================================================] 39 40if(NOT SDL_IMAGE_INCLUDE_DIR AND SDLIMAGE_INCLUDE_DIR) 41 set(SDL_IMAGE_INCLUDE_DIR ${SDLIMAGE_INCLUDE_DIR} CACHE PATH "directory cache 42entry initialized from old variable name") 43endif() 44find_path(SDL_IMAGE_INCLUDE_DIR SDL_image.h 45 HINTS 46 ENV SDLIMAGEDIR 47 ENV SDLDIR 48 PATH_SUFFIXES SDL 49 # path suffixes to search inside ENV{SDLDIR} 50 include/SDL include/SDL12 include/SDL11 include 51) 52 53if(CMAKE_SIZEOF_VOID_P EQUAL 8) 54 set(VC_LIB_PATH_SUFFIX lib/x64) 55else() 56 set(VC_LIB_PATH_SUFFIX lib/x86) 57endif() 58 59if(NOT SDL_IMAGE_LIBRARY AND SDLIMAGE_LIBRARY) 60 set(SDL_IMAGE_LIBRARY ${SDLIMAGE_LIBRARY} CACHE FILEPATH "file cache entry 61initialized from old variable name") 62endif() 63find_library(SDL_IMAGE_LIBRARY 64 NAMES SDL_image 65 HINTS 66 ENV SDLIMAGEDIR 67 ENV SDLDIR 68 PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX} 69) 70 71if(SDL_IMAGE_INCLUDE_DIR AND EXISTS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h") 72 file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$") 73 file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$") 74 file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$") 75 string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MAJOR "${SDL_IMAGE_VERSION_MAJOR_LINE}") 76 string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MINOR "${SDL_IMAGE_VERSION_MINOR_LINE}") 77 string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_PATCH "${SDL_IMAGE_VERSION_PATCH_LINE}") 78 set(SDL_IMAGE_VERSION_STRING ${SDL_IMAGE_VERSION_MAJOR}.${SDL_IMAGE_VERSION_MINOR}.${SDL_IMAGE_VERSION_PATCH}) 79 unset(SDL_IMAGE_VERSION_MAJOR_LINE) 80 unset(SDL_IMAGE_VERSION_MINOR_LINE) 81 unset(SDL_IMAGE_VERSION_PATCH_LINE) 82 unset(SDL_IMAGE_VERSION_MAJOR) 83 unset(SDL_IMAGE_VERSION_MINOR) 84 unset(SDL_IMAGE_VERSION_PATCH) 85endif() 86 87set(SDL_IMAGE_LIBRARIES ${SDL_IMAGE_LIBRARY}) 88set(SDL_IMAGE_INCLUDE_DIRS ${SDL_IMAGE_INCLUDE_DIR}) 89 90include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) 91 92FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_image 93 REQUIRED_VARS SDL_IMAGE_LIBRARIES SDL_IMAGE_INCLUDE_DIRS 94 VERSION_VAR SDL_IMAGE_VERSION_STRING) 95 96# for backward compatibility 97set(SDLIMAGE_LIBRARY ${SDL_IMAGE_LIBRARIES}) 98set(SDLIMAGE_INCLUDE_DIR ${SDL_IMAGE_INCLUDE_DIRS}) 99set(SDLIMAGE_FOUND ${SDL_IMAGE_FOUND}) 100 101mark_as_advanced(SDL_IMAGE_LIBRARY SDL_IMAGE_INCLUDE_DIR) 102