diff options
Diffstat (limited to 'Modules/FindSDL_image.cmake')
-rw-r--r-- | Modules/FindSDL_image.cmake | 81 |
1 files changed, 52 insertions, 29 deletions
diff --git a/Modules/FindSDL_image.cmake b/Modules/FindSDL_image.cmake index 8c9e891..4cae032 100644 --- a/Modules/FindSDL_image.cmake +++ b/Modules/FindSDL_image.cmake @@ -1,8 +1,14 @@ -# Locate SDL_image library -# This module defines -# SDLIMAGE_LIBRARY, the name of the library to link against -# SDLIMAGE_FOUND, if false, do not try to link to SDL -# SDLIMAGE_INCLUDE_DIR, where to find SDL/SDL.h +# - Locate SDL_image library +# This module defines: +# SDL_IMAGE_LIBRARIES, the name of the library to link against +# SDL_IMAGE_INCLUDE_DIRS, where to find the headers +# SDL_IMAGE_FOUND, if false, do not try to link against +# SDL_IMAGE_VERSION_STRING - human-readable string containing the version of SDL_image +# +# For backward compatiblity the following variables are also set: +# SDLIMAGE_LIBRARY (same value as SDL_IMAGE_LIBRARIES) +# SDLIMAGE_INCLUDE_DIR (same value as SDL_IMAGE_INCLUDE_DIRS) +# SDLIMAGE_FOUND (same value as SDL_IMAGE_FOUND) # # $SDLDIR is an environment variable that would # correspond to the ./configure --prefix=$SDLDIR @@ -14,6 +20,7 @@ #============================================================================= # 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. @@ -25,40 +32,56 @@ # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) -find_path(SDLIMAGE_INCLUDE_DIR SDL_image.h +if(NOT SDL_IMAGE_INCLUDE_DIR AND SDLIMAGE_INCLUDE_DIR) + set(SDL_IMAGE_INCLUDE_DIR ${SDLIMAGE_INCLUDE_DIR} CACHE PATH "directory cache +entry initialized from old variable name") +endif() +find_path(SDL_IMAGE_INCLUDE_DIR SDL_image.h HINTS ENV SDLIMAGEDIR ENV SDLDIR - PATH_SUFFIXES include include/SDL - PATHS - ~/Library/Frameworks - /Library/Frameworks - /usr/local/include/SDL12 - /usr/local/include/SDL11 # FreeBSD ports - /usr/include/SDL12 - /usr/include/SDL11 - /sw # Fink - /opt/local # DarwinPorts - /opt/csw # Blastwave - /opt + PATH_SUFFIXES SDL SDL12 SDL11 ) -find_library(SDLIMAGE_LIBRARY +if(NOT SDL_IMAGE_LIBRARY AND SDLIMAGE_LIBRARY) + set(SDL_IMAGE_LIBRARY ${SDLIMAGE_LIBRARY} CACHE FILEPATH "file cache entry +initialized from old variable name") +endif() +find_library(SDL_IMAGE_LIBRARY NAMES SDL_image HINTS ENV SDLIMAGEDIR ENV SDLDIR - PATH_SUFFIXES lib - PATHS - ~/Library/Frameworks - /Library/Frameworks - /sw - /opt/local - /opt/csw - /opt ) +if(SDL_IMAGE_INCLUDE_DIR AND EXISTS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h") + file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$") + file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$") + file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MAJOR "${SDL_IMAGE_VERSION_MAJOR_LINE}") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MINOR "${SDL_IMAGE_VERSION_MINOR_LINE}") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_PATCH "${SDL_IMAGE_VERSION_PATCH_LINE}") + set(SDL_IMAGE_VERSION_STRING ${SDL_IMAGE_VERSION_MAJOR}.${SDL_IMAGE_VERSION_MINOR}.${SDL_IMAGE_VERSION_PATCH}) + unset(SDL_IMAGE_VERSION_MAJOR_LINE) + unset(SDL_IMAGE_VERSION_MINOR_LINE) + unset(SDL_IMAGE_VERSION_PATCH_LINE) + unset(SDL_IMAGE_VERSION_MAJOR) + unset(SDL_IMAGE_VERSION_MINOR) + unset(SDL_IMAGE_VERSION_PATCH) +endif() + +set(SDL_IMAGE_LIBRARIES ${SDL_IMAGE_LIBRARY}) +set(SDL_IMAGE_INCLUDE_DIRS ${SDL_IMAGE_INCLUDE_DIR}) + include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) -FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLIMAGE - REQUIRED_VARS SDLIMAGE_LIBRARY SDLIMAGE_INCLUDE_DIR) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_image + REQUIRED_VARS SDL_IMAGE_LIBRARIES SDL_IMAGE_INCLUDE_DIRS + VERSION_VAR SDL_IMAGE_VERSION_STRING) + +# for backward compatiblity +set(SDLIMAGE_LIBRARY ${SDL_IMAGE_LIBRARIES}) +set(SDLIMAGE_INCLUDE_DIR ${SDL_IMAGE_INCLUDE_DIRS}) +set(SDLIMAGE_FOUND ${SDL_IMAGE_FOUND}) + +mark_as_advanced(SDL_IMAGE_LIBRARY SDL_IMAGE_INCLUDE_DIR) |