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Diffstat (limited to 'cmake/FindSDL2_image.cmake')
| -rw-r--r-- | cmake/FindSDL2_image.cmake | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/cmake/FindSDL2_image.cmake b/cmake/FindSDL2_image.cmake new file mode 100644 index 0000000..3f73762 --- /dev/null +++ b/cmake/FindSDL2_image.cmake @@ -0,0 +1,100 @@ +# Locate SDL_image library +# +# This module defines: +# +# :: +# +# SDL2_IMAGE_LIBRARIES, the name of the library to link against +# SDL2_IMAGE_INCLUDE_DIRS, where to find the headers +# SDL2_IMAGE_FOUND, if false, do not try to link against +# SDL2_IMAGE_VERSION_STRING - human-readable string containing the version of SDL_image +# +# +# +# For backward compatibility the following variables are also set: +# +# :: +# +# SDLIMAGE_LIBRARY (same value as SDL2_IMAGE_LIBRARIES) +# SDLIMAGE_INCLUDE_DIR (same value as SDL2_IMAGE_INCLUDE_DIRS) +# SDLIMAGE_FOUND (same value as SDL2_IMAGE_FOUND) +# +# +# +# $SDLDIR is an environment variable that would correspond to the +# ./configure --prefix=$SDLDIR used in building SDL. +# +# Created by Eric Wing. This was influenced by the FindSDL.cmake +# module, but with modifications to recognize OS X frameworks and +# additional Unix paths (FreeBSD, etc). + +#============================================================================= +# Copyright 2005-2009 Kitware, Inc. +# Copyright 2012 Benjamin Eikel +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +find_path(SDL2_IMAGE_INCLUDE_DIR SDL_image.h + HINTS + ENV SDL2IMAGEDIR + ENV SDL2DIR + PATH_SUFFIXES SDL2 + # path suffixes to search inside ENV{SDLDIR} + include/SDL2 include + PATHS ${SDL2_IMAGE_PATH} + ) + +if(CMAKE_SIZEOF_VOID_P EQUAL 8) + set(VC_LIB_PATH_SUFFIX lib/x64) +else() + set(VC_LIB_PATH_SUFFIX lib/x86) +endif() + +find_library(SDL2_IMAGE_LIBRARY + NAMES SDL2_image + HINTS + ENV SDL2IMAGEDIR + ENV SDL2DIR + PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX} + PATHS ${SDL2_IMAGE_PATH} + ) + +if(SDL2_IMAGE_INCLUDE_DIR AND EXISTS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h") + file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$") + file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$") + file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MAJOR "${SDL2_IMAGE_VERSION_MAJOR_LINE}") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MINOR "${SDL2_IMAGE_VERSION_MINOR_LINE}") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_PATCH "${SDL2_IMAGE_VERSION_PATCH_LINE}") + set(SDL2_IMAGE_VERSION_STRING ${SDL2_IMAGE_VERSION_MAJOR}.${SDL2_IMAGE_VERSION_MINOR}.${SDL2_IMAGE_VERSION_PATCH}) + unset(SDL2_IMAGE_VERSION_MAJOR_LINE) + unset(SDL2_IMAGE_VERSION_MINOR_LINE) + unset(SDL2_IMAGE_VERSION_PATCH_LINE) + unset(SDL2_IMAGE_VERSION_MAJOR) + unset(SDL2_IMAGE_VERSION_MINOR) + unset(SDL2_IMAGE_VERSION_PATCH) +endif() + +set(SDL2_IMAGE_LIBRARIES ${SDL2_IMAGE_LIBRARY}) +set(SDL2_IMAGE_INCLUDE_DIRS ${SDL2_IMAGE_INCLUDE_DIR}) + +include(FindPackageHandleStandardArgs) + +FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_image + REQUIRED_VARS SDL2_IMAGE_LIBRARIES SDL2_IMAGE_INCLUDE_DIRS + VERSION_VAR SDL2_IMAGE_VERSION_STRING) + +# for backward compatibility +set(SDLIMAGE_LIBRARY ${SDL2_IMAGE_LIBRARIES}) +set(SDLIMAGE_INCLUDE_DIR ${SDL2_IMAGE_INCLUDE_DIRS}) +set(SDLIMAGE_FOUND ${SDL2_IMAGE_FOUND}) + +mark_as_advanced(SDL2_IMAGE_LIBRARY SDL2_IMAGE_INCLUDE_DIR) |