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-rw-r--r--Modules/FindSDL_image.cmake101
1 files changed, 59 insertions, 42 deletions
diff --git a/Modules/FindSDL_image.cmake b/Modules/FindSDL_image.cmake
index f215bda..4cae032 100644
--- a/Modules/FindSDL_image.cmake
+++ b/Modules/FindSDL_image.cmake
@@ -1,19 +1,26 @@
-# 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
# 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
+# 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.
@@ -25,46 +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
- PATHS
- ~/Library/Frameworks
- /Library/Frameworks
- /usr/local/include/SDL
- /usr/include/SDL
- /usr/local/include/SDL12
- /usr/local/include/SDL11 # FreeBSD ports
- /usr/include/SDL12
- /usr/include/SDL11
- /sw/include/SDL # Fink
- /sw/include
- /opt/local/include/SDL # DarwinPorts
- /opt/local/include
- /opt/csw/include/SDL # Blastwave
- /opt/csw/include
- /opt/include/SDL
- /opt/include
+ ENV SDLIMAGEDIR
+ ENV SDLDIR
+ 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}
- $ENV{SDLDIR}
- PATH_SUFFIXES lib64 lib
- PATHS
- ~/Library/Frameworks
- /Library/Frameworks
- /sw
- /opt/local
- /opt/csw
- /opt
+ ENV SDLIMAGEDIR
+ ENV SDLDIR
)
-INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+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(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})
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLIMAGE
- REQUIRED_VARS SDLIMAGE_LIBRARY SDLIMAGE_INCLUDE_DIR)
+mark_as_advanced(SDL_IMAGE_LIBRARY SDL_IMAGE_INCLUDE_DIR)