Merge topic 'ImproveFindSDLxxxModules'

68c6b13 FindSDL: Stay compatible with old input variables
9ed24c5 FindSDL: Remove from find_... calls PATHS that are set by default
38a0f71 FindSDL: Add my copyright tag to all FindSDL_* modules
020d213 FindSDL: Add version support
61a566c FindSDL: Format documentation
22154c7 FindSDL: Update documentation
4541c07 FindSDL: Add version support for FindSDL_ttf
a28c247 FindSDL: Use SDL_TTF prefix for variables
9f5dbf4 FindSDL: Update documentation
d83f80d FindSDL: Add version support for FindSDL_mixer
c10b691 FindSDL: Use SDL_MIXER prefix for variables
03dd6cc FindSDL: Pass SDL_SOUND_LIBRARY to FIND_PACKAGE_HANDLE_STANDARD_ARGS
326beca FindSDL: Use same capitalization for FPHSA as file name
cfe5b87 FindSDL: Version support for FindSDL_sound
776d3fe FindSDL: Format the documentation
a5194e2 FindSDL: Add "cmake_minimum_required" to "try_compile" project
...

6 files changed, 285 insertions, 189 deletions

diff --git a/Modules/FindSDL.cmake b/Modules/FindSDL.cmake
index adaec95..9359323 100644
--- a/Modules/FindSDL.cmake
+++ b/Modules/FindSDL.cmake
@@ -1,16 +1,17 @@
-# Locate SDL library
+# - Locate SDL library
 # This module defines
-# SDL_LIBRARY, the name of the library to link against
-# SDL_FOUND, if false, do not try to link to SDL
-# SDL_INCLUDE_DIR, where to find SDL.h
+#  SDL_LIBRARY, the name of the library to link against
+#  SDL_FOUND, if false, do not try to link to SDL
+#  SDL_INCLUDE_DIR, where to find SDL.h
+#  SDL_VERSION_STRING, human-readable string containing the version of SDL
 #
 # This module responds to the the flag:
-# SDL_BUILDING_LIBRARY
-# If this is defined, then no SDL_main will be linked in because
-# only applications need main().
-# Otherwise, it is assumed you are building an application and this
-# module will attempt to locate and set the the proper link flags
-# as part of the returned SDL_LIBRARY variable.
+#  SDL_BUILDING_LIBRARY
+#    If this is defined, then no SDL_main will be linked in because
+#    only applications need main().
+#    Otherwise, it is assumed you are building an application and this
+#    module will attempt to locate and set the the proper link flags
+#    as part of the returned SDL_LIBRARY variable.
 #
 # Don't forget to include SDLmain.h and SDLmain.m your project for the
 # OS X framework based version. (Other versions link to -lSDLmain which
@@ -54,6 +55,7 @@
 
 #=============================================================================
 # Copyright 2003-2009 Kitware, Inc.
+# Copyright 2012 Benjamin Eikel
 #
 # Distributed under the OSI-approved BSD License (the "License");
 # see accompanying file Copyright.txt for details.
@@ -68,18 +70,7 @@
 find_path(SDL_INCLUDE_DIR SDL.h
   HINTS
     ENV SDLDIR
-  PATH_SUFFIXES include/SDL include
-  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
 )
 
 # SDL-1.1 is the name used by FreeBSD ports...
@@ -88,12 +79,6 @@ find_library(SDL_LIBRARY_TEMP
   NAMES SDL SDL-1.1
   HINTS
     ENV SDLDIR
-  PATH_SUFFIXES lib
-  PATHS
-  /sw
-  /opt/local
-  /opt/csw
-  /opt
 )
 
 if(NOT SDL_BUILDING_LIBRARY)
@@ -169,7 +154,24 @@ if(SDL_LIBRARY_TEMP)
   set(SDL_LIBRARY_TEMP "${SDL_LIBRARY_TEMP}" CACHE INTERNAL "")
 endif()
 
+if(SDL_INCLUDE_DIR AND EXISTS "${SDL_INCLUDE_DIR}/SDL_version.h")
+  file(STRINGS "${SDL_INCLUDE_DIR}/SDL_version.h" SDL_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MAJOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_INCLUDE_DIR}/SDL_version.h" SDL_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MINOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_INCLUDE_DIR}/SDL_version.h" SDL_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_PATCHLEVEL[ \t]+[0-9]+$")
+  string(REGEX REPLACE "^#define[ \t]+SDL_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_VERSION_MAJOR "${SDL_VERSION_MAJOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_VERSION_MINOR "${SDL_VERSION_MINOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_VERSION_PATCH "${SDL_VERSION_PATCH_LINE}")
+  set(SDL_VERSION_STRING ${SDL_VERSION_MAJOR}.${SDL_VERSION_MINOR}.${SDL_VERSION_PATCH})
+  unset(SDL_VERSION_MAJOR_LINE)
+  unset(SDL_VERSION_MINOR_LINE)
+  unset(SDL_VERSION_PATCH_LINE)
+  unset(SDL_VERSION_MAJOR)
+  unset(SDL_VERSION_MINOR)
+  unset(SDL_VERSION_PATCH)
+endif()
+
 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
 
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL
-                                  REQUIRED_VARS SDL_LIBRARY SDL_INCLUDE_DIR)
+                                  REQUIRED_VARS SDL_LIBRARY SDL_INCLUDE_DIR
+                                  VERSION_VAR SDL_VERSION_STRING)
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)
diff --git a/Modules/FindSDL_mixer.cmake b/Modules/FindSDL_mixer.cmake
index 97a8330..666fc6e 100644
--- a/Modules/FindSDL_mixer.cmake
+++ b/Modules/FindSDL_mixer.cmake
@@ -1,8 +1,14 @@
-# Locate SDL_mixer library
-# This module defines
-# SDLMIXER_LIBRARY, the name of the library to link against
-# SDLMIXER_FOUND, if false, do not try to link to SDL
-# SDLMIXER_INCLUDE_DIR, where to find SDL/SDL.h
+# - Locate SDL_mixer library
+# This module defines:
+#  SDL_MIXER_LIBRARIES, the name of the library to link against
+#  SDL_MIXER_INCLUDE_DIRS, where to find the headers
+#  SDL_MIXER_FOUND, if false, do not try to link against
+#  SDL_MIXER_VERSION_STRING - human-readable string containing the version of SDL_mixer
+#
+# For backward compatiblity the following variables are also set:
+#  SDLMIXER_LIBRARY (same value as SDL_MIXER_LIBRARIES)
+#  SDLMIXER_INCLUDE_DIR (same value as SDL_MIXER_INCLUDE_DIRS)
+#  SDLMIXER_FOUND (same value as SDL_MIXER_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(SDLMIXER_INCLUDE_DIR SDL_mixer.h
+if(NOT SDL_MIXER_INCLUDE_DIR AND SDLMIXER_INCLUDE_DIR)
+  set(SDL_MIXER_INCLUDE_DIR ${SDLMIXER_INCLUDE_DIR} CACHE PATH "directory cache
+entry initialized from old variable name")
+endif()
+find_path(SDL_MIXER_INCLUDE_DIR SDL_mixer.h
   HINTS
     ENV SDLMIXERDIR
     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(SDLMIXER_LIBRARY
+if(NOT SDL_MIXER_LIBRARY AND SDLMIXER_LIBRARY)
+  set(SDL_MIXER_LIBRARY ${SDLMIXER_LIBRARY} CACHE FILEPATH "file cache entry
+initialized from old variable name")
+endif()
+find_library(SDL_MIXER_LIBRARY
   NAMES SDL_mixer
   HINTS
     ENV SDLMIXERDIR
     ENV SDLDIR
-  PATH_SUFFIXES lib
-  PATHS
-  ~/Library/Frameworks
-  /Library/Frameworks
-  /sw
-  /opt/local
-  /opt/csw
-  /opt
 )
 
+if(SDL_MIXER_INCLUDE_DIR AND EXISTS "${SDL_MIXER_INCLUDE_DIR}/SDL_mixer.h")
+  file(STRINGS "${SDL_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL_MIXER_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL_MIXER_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL_MIXER_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+[0-9]+$")
+  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_MIXER_VERSION_MAJOR "${SDL_MIXER_VERSION_MAJOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_MIXER_VERSION_MINOR "${SDL_MIXER_VERSION_MINOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_MIXER_VERSION_PATCH "${SDL_MIXER_VERSION_PATCH_LINE}")
+  set(SDL_MIXER_VERSION_STRING ${SDL_MIXER_VERSION_MAJOR}.${SDL_MIXER_VERSION_MINOR}.${SDL_MIXER_VERSION_PATCH})
+  unset(SDL_MIXER_VERSION_MAJOR_LINE)
+  unset(SDL_MIXER_VERSION_MINOR_LINE)
+  unset(SDL_MIXER_VERSION_PATCH_LINE)
+  unset(SDL_MIXER_VERSION_MAJOR)
+  unset(SDL_MIXER_VERSION_MINOR)
+  unset(SDL_MIXER_VERSION_PATCH)
+endif()
+
+set(SDL_MIXER_LIBRARIES ${SDL_MIXER_LIBRARY})
+set(SDL_MIXER_INCLUDE_DIRS ${SDL_MIXER_INCLUDE_DIR})
+
 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
 
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLMIXER
-                                  REQUIRED_VARS SDLMIXER_LIBRARY SDLMIXER_INCLUDE_DIR)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_mixer
+                                  REQUIRED_VARS SDL_MIXER_LIBRARIES SDL_MIXER_INCLUDE_DIRS
+                                  VERSION_VAR SDL_MIXER_VERSION_STRING)
+
+# for backward compatiblity
+set(SDLMIXER_LIBRARY ${SDL_MIXER_LIBRARIES})
+set(SDLMIXER_INCLUDE_DIR ${SDL_MIXER_INCLUDE_DIRS})
+set(SDLMIXER_FOUND ${SDL_MIXER_FOUND})
+
+mark_as_advanced(SDL_MIXER_LIBRARY SDL_MIXER_INCLUDE_DIR)
diff --git a/Modules/FindSDL_net.cmake b/Modules/FindSDL_net.cmake
index 7e90e90..d8f479f 100644
--- a/Modules/FindSDL_net.cmake
+++ b/Modules/FindSDL_net.cmake
@@ -1,8 +1,14 @@
-# Locate SDL_net library
-# This module defines
-# SDLNET_LIBRARY, the name of the library to link against
-# SDLNET_FOUND, if false, do not try to link against
-# SDLNET_INCLUDE_DIR, where to find the headers
+# - Locate SDL_net library
+# This module defines:
+#  SDL_NET_LIBRARIES, the name of the library to link against
+#  SDL_NET_INCLUDE_DIRS, where to find the headers
+#  SDL_NET_FOUND, if false, do not try to link against
+#  SDL_NET_VERSION_STRING - human-readable string containing the version of SDL_net
+#
+# For backward compatiblity the following variables are also set:
+#  SDLNET_LIBRARY (same value as SDL_NET_LIBRARIES)
+#  SDLNET_INCLUDE_DIR (same value as SDL_NET_INCLUDE_DIRS)
+#  SDLNET_FOUND (same value as SDL_NET_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.
@@ -25,39 +32,56 @@
 # (To distribute this file outside of CMake, substitute the full
 #  License text for the above reference.)
 
-find_path(SDLNET_INCLUDE_DIR SDL_net.h
+if(NOT SDL_NET_INCLUDE_DIR AND SDLNET_INCLUDE_DIR)
+  set(SDL_NET_INCLUDE_DIR ${SDLNET_INCLUDE_DIR} CACHE PATH "directory cache
+entry initialized from old variable name")
+endif()
+find_path(SDL_NET_INCLUDE_DIR SDL_net.h
   HINTS
     ENV SDLNETDIR
     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(SDLNET_LIBRARY
+
+if(NOT SDL_NET_LIBRARY AND SDLNET_LIBRARY)
+  set(SDL_NET_LIBRARY ${SDLNET_LIBRARY} CACHE FILEPATH "file cache entry
+initialized from old variable name")
+endif()
+find_library(SDL_NET_LIBRARY
   NAMES SDL_net
   HINTS
     ENV SDLNETDIR
     ENV SDLDIR
-  PATH_SUFFIXES lib
-  PATHS
-  ~/Library/Frameworks
-  /Library/Frameworks
-  /sw
-  /opt/local
-  /opt/csw
-  /opt
 )
 
+if(SDL_NET_INCLUDE_DIR AND EXISTS "${SDL_NET_INCLUDE_DIR}/SDL_net.h")
+  file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+[0-9]+$")
+  string(REGEX REPLACE "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_MAJOR "${SDL_NET_VERSION_MAJOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_MINOR "${SDL_NET_VERSION_MINOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_PATCH "${SDL_NET_VERSION_PATCH_LINE}")
+  set(SDL_NET_VERSION_STRING ${SDL_NET_VERSION_MAJOR}.${SDL_NET_VERSION_MINOR}.${SDL_NET_VERSION_PATCH})
+  unset(SDL_NET_VERSION_MAJOR_LINE)
+  unset(SDL_NET_VERSION_MINOR_LINE)
+  unset(SDL_NET_VERSION_PATCH_LINE)
+  unset(SDL_NET_VERSION_MAJOR)
+  unset(SDL_NET_VERSION_MINOR)
+  unset(SDL_NET_VERSION_PATCH)
+endif()
+
+set(SDL_NET_LIBRARIES ${SDL_NET_LIBRARY})
+set(SDL_NET_INCLUDE_DIRS ${SDL_NET_INCLUDE_DIR})
+
 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
 
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLNET
-                                  REQUIRED_VARS SDLNET_LIBRARY SDLNET_INCLUDE_DIR)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_net
+                                  REQUIRED_VARS SDL_NET_LIBRARIES SDL_NET_INCLUDE_DIRS
+                                  VERSION_VAR SDL_NET_VERSION_STRING)
+
+# for backward compatiblity
+set(SDLNET_LIBRARY ${SDL_NET_LIBRARIES})
+set(SDLNET_INCLUDE_DIR ${SDL_NET_INCLUDE_DIRS})
+set(SDLNET_FOUND ${SDL_NET_FOUND})
+
+mark_as_advanced(SDL_NET_LIBRARY SDL_NET_INCLUDE_DIR)
diff --git a/Modules/FindSDL_sound.cmake b/Modules/FindSDL_sound.cmake
index a9153c1..5ff50be 100644
--- a/Modules/FindSDL_sound.cmake
+++ b/Modules/FindSDL_sound.cmake
@@ -1,34 +1,34 @@
-# Locates the SDL_sound library
-
+# - Locates the SDL_sound library
+#
 # This module depends on SDL being found and
 # must be called AFTER FindSDL.cmake is called.
-
+#
 # This module defines
-# SDL_SOUND_INCLUDE_DIR, where to find SDL_sound.h
-# SDL_SOUND_FOUND, if false, do not try to link to SDL
-# SDL_SOUND_LIBRARIES, this contains the list of libraries that you need
-# to link against. This is a read-only variable and is marked INTERNAL.
-# SDL_SOUND_EXTRAS, this is an optional variable for you to add your own
-# flags to SDL_SOUND_LIBRARIES. This is prepended to SDL_SOUND_LIBRARIES.
-# This is available mostly for cases this module failed to anticipate for
-# and you must add additional flags. This is marked as ADVANCED.
-
+#  SDL_SOUND_INCLUDE_DIR, where to find SDL_sound.h
+#  SDL_SOUND_FOUND, if false, do not try to link to SDL_sound
+#  SDL_SOUND_LIBRARIES, this contains the list of libraries that you need
+#    to link against. This is a read-only variable and is marked INTERNAL.
+#  SDL_SOUND_EXTRAS, this is an optional variable for you to add your own
+#    flags to SDL_SOUND_LIBRARIES. This is prepended to SDL_SOUND_LIBRARIES.
+#    This is available mostly for cases this module failed to anticipate for
+#    and you must add additional flags. This is marked as ADVANCED.
+#  SDL_SOUND_VERSION_STRING, human-readable string containing the version of SDL_sound
 #
 # This module also defines (but you shouldn't need to use directly)
-# SDL_SOUND_LIBRARY, the name of just the SDL_sound library you would link
-# against. Use SDL_SOUND_LIBRARIES for you link instructions and not this one.
+#   SDL_SOUND_LIBRARY, the name of just the SDL_sound library you would link
+#   against. Use SDL_SOUND_LIBRARIES for you link instructions and not this one.
 # And might define the following as needed
-# MIKMOD_LIBRARY
-# MODPLUG_LIBRARY
-# OGG_LIBRARY
-# VORBIS_LIBRARY
-# SMPEG_LIBRARY
-# FLAC_LIBRARY
-# SPEEX_LIBRARY
+#   MIKMOD_LIBRARY
+#   MODPLUG_LIBRARY
+#   OGG_LIBRARY
+#   VORBIS_LIBRARY
+#   SMPEG_LIBRARY
+#   FLAC_LIBRARY
+#   SPEEX_LIBRARY
 #
 # Typically, you should not use these variables directly, and you should use
 # SDL_SOUND_LIBRARIES which contains SDL_SOUND_LIBRARY and the other audio libraries
-# (if needed) to successfully compile on your system .
+# (if needed) to successfully compile on your system.
 #
 # Created by Eric Wing.
 # This module is a bit more complicated than the other FindSDL* family modules.
@@ -54,10 +54,10 @@
 # People will have to manually change the cache values of
 # SDL_LIBRARY to override this selectionor set the CMake environment
 # CMAKE_INCLUDE_PATH to modify the search paths.
-#
 
 #=============================================================================
 # 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.
@@ -77,17 +77,7 @@ find_path(SDL_SOUND_INCLUDE_DIR SDL_sound.h
   HINTS
     ENV SDLSOUNDDIR
     ENV SDLDIR
-  PATH_SUFFIXES
-    include include/SDL
-  PATHS
-  /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(SDL_SOUND_LIBRARY
@@ -95,13 +85,6 @@ find_library(SDL_SOUND_LIBRARY
   HINTS
     ENV SDLSOUNDDIR
     ENV SDLDIR
-  PATH_SUFFIXES
-    lib
-  PATHS
-  /sw
-  /opt/local
-  /opt/csw
-  /opt
   )
 
 if(SDL_FOUND AND SDL_SOUND_INCLUDE_DIR AND SDL_SOUND_LIBRARY)
@@ -176,7 +159,8 @@ if(SDL_FOUND AND SDL_SOUND_INCLUDE_DIR AND SDL_SOUND_LIBRARY)
    # in the SDL_LIBRARY string after the "-framework".
    # But if I quote the stuff in INCLUDE_DIRECTORIES, it doesn't work.
    file(WRITE ${PROJECT_BINARY_DIR}/CMakeTmp/CMakeLists.txt
-     "project(DetermineSoundLibs)
+     "cmake_minimum_required(VERSION 2.8)
+        project(DetermineSoundLibs)
         include_directories(${SDL_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
         add_executable(DetermineSoundLibs DetermineSoundLibs.c)
         target_link_libraries(DetermineSoundLibs ${TMP_TRY_LIBS})"
@@ -376,7 +360,24 @@ if(SDL_FOUND AND SDL_SOUND_INCLUDE_DIR AND SDL_SOUND_LIBRARY)
    set(SDL_SOUND_LIBRARIES "${SDL_SOUND_EXTRAS} ${SDL_SOUND_LIBRARIES_TMP}" CACHE INTERNAL "SDL_sound and dependent libraries")
  endif()
 
+if(SDL_SOUND_INCLUDE_DIR AND EXISTS "${SDL_SOUND_INCLUDE_DIR}/SDL_sound.h")
+  file(STRINGS "${SDL_SOUND_INCLUDE_DIR}/SDL_sound.h" SDL_SOUND_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SOUND_VER_MAJOR[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_SOUND_INCLUDE_DIR}/SDL_sound.h" SDL_SOUND_VERSION_MINOR_LINE REGEX "^#define[ \t]+SOUND_VER_MINOR[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_SOUND_INCLUDE_DIR}/SDL_sound.h" SDL_SOUND_VERSION_PATCH_LINE REGEX "^#define[ \t]+SOUND_VER_PATCH[ \t]+[0-9]+$")
+  string(REGEX REPLACE "^#define[ \t]+SOUND_VER_MAJOR[ \t]+([0-9]+)$" "\\1" SDL_SOUND_VERSION_MAJOR "${SDL_SOUND_VERSION_MAJOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SOUND_VER_MINOR[ \t]+([0-9]+)$" "\\1" SDL_SOUND_VERSION_MINOR "${SDL_SOUND_VERSION_MINOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SOUND_VER_PATCH[ \t]+([0-9]+)$" "\\1" SDL_SOUND_VERSION_PATCH "${SDL_SOUND_VERSION_PATCH_LINE}")
+  set(SDL_SOUND_VERSION_STRING ${SDL_SOUND_VERSION_MAJOR}.${SDL_SOUND_VERSION_MINOR}.${SDL_SOUND_VERSION_PATCH})
+  unset(SDL_SOUND_VERSION_MAJOR_LINE)
+  unset(SDL_SOUND_VERSION_MINOR_LINE)
+  unset(SDL_SOUND_VERSION_PATCH_LINE)
+  unset(SDL_SOUND_VERSION_MAJOR)
+  unset(SDL_SOUND_VERSION_MINOR)
+  unset(SDL_SOUND_VERSION_PATCH)
+endif()
+
 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
 
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_SOUND
-                                  REQUIRED_VARS SDL_SOUND_LIBRARIES SDL_SOUND_INCLUDE_DIR)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_sound
+                                  REQUIRED_VARS SDL_SOUND_LIBRARY SDL_SOUND_INCLUDE_DIR
+                                  VERSION_VAR SDL_SOUND_VERSION_STRING)
diff --git a/Modules/FindSDL_ttf.cmake b/Modules/FindSDL_ttf.cmake
index 1e68ccf..2cc5ee2 100644
--- a/Modules/FindSDL_ttf.cmake
+++ b/Modules/FindSDL_ttf.cmake
@@ -1,8 +1,14 @@
-# Locate SDL_ttf library
-# This module defines
-# SDLTTF_LIBRARY, the name of the library to link against
-# SDLTTF_FOUND, if false, do not try to link to SDL
-# SDLTTF_INCLUDE_DIR, where to find SDL/SDL.h
+# - Locate SDL_ttf library
+# This module defines:
+#  SDL_TTF_LIBRARIES, the name of the library to link against
+#  SDL_TTF_INCLUDE_DIRS, where to find the headers
+#  SDL_TTF_FOUND, if false, do not try to link against
+#  SDL_TTF_VERSION_STRING - human-readable string containing the version of SDL_ttf
+#
+# For backward compatiblity the following variables are also set:
+#  SDLTTF_LIBRARY (same value as SDL_TTF_LIBRARIES)
+#  SDLTTF_INCLUDE_DIR (same value as SDL_TTF_INCLUDE_DIRS)
+#  SDLTTF_FOUND (same value as SDL_TTF_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(SDLTTF_INCLUDE_DIR SDL_ttf.h
+if(NOT SDL_TTF_INCLUDE_DIR AND SDLTTF_INCLUDE_DIR)
+  set(SDL_TTF_INCLUDE_DIR ${SDLTTF_INCLUDE_DIR} CACHE PATH "directory cache
+entry initialized from old variable name")
+endif()
+find_path(SDL_TTF_INCLUDE_DIR SDL_ttf.h
   HINTS
     ENV SDLTTFDIR
     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(SDLTTF_LIBRARY
+if(NOT SDL_TTF_LIBRARY AND SDLTTF_LIBRARY)
+  set(SDL_TTF_LIBRARY ${SDLTTF_LIBRARY} CACHE FILEPATH "file cache entry
+initialized from old variable name")
+endif()
+find_library(SDL_TTF_LIBRARY
   NAMES SDL_ttf
   HINTS
     ENV SDLTTFDIR
     ENV SDLDIR
-  PATHS
-  ~/Library/Frameworks
-  /Library/Frameworks
-  /sw
-  /opt/local
-  /opt/csw
-  /opt
-    PATH_SUFFIXES lib
 )
 
+if(SDL_TTF_INCLUDE_DIR AND EXISTS "${SDL_TTF_INCLUDE_DIR}/SDL_ttf.h")
+  file(STRINGS "${SDL_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL_TTF_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL_TTF_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL_TTF_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+[0-9]+$")
+  string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_TTF_VERSION_MAJOR "${SDL_TTF_VERSION_MAJOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_TTF_VERSION_MINOR "${SDL_TTF_VERSION_MINOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_TTF_VERSION_PATCH "${SDL_TTF_VERSION_PATCH_LINE}")
+  set(SDL_TTF_VERSION_STRING ${SDL_TTF_VERSION_MAJOR}.${SDL_TTF_VERSION_MINOR}.${SDL_TTF_VERSION_PATCH})
+  unset(SDL_TTF_VERSION_MAJOR_LINE)
+  unset(SDL_TTF_VERSION_MINOR_LINE)
+  unset(SDL_TTF_VERSION_PATCH_LINE)
+  unset(SDL_TTF_VERSION_MAJOR)
+  unset(SDL_TTF_VERSION_MINOR)
+  unset(SDL_TTF_VERSION_PATCH)
+endif()
+
+set(SDL_TTF_LIBRARIES ${SDL_TTF_LIBRARY})
+set(SDL_TTF_INCLUDE_DIRS ${SDL_TTF_INCLUDE_DIR})
+
 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
 
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLTTF
-                                  REQUIRED_VARS SDLTTF_LIBRARY SDLTTF_INCLUDE_DIR)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_ttf
+                                  REQUIRED_VARS SDL_TTF_LIBRARIES SDL_TTF_INCLUDE_DIRS
+                                  VERSION_VAR SDL_TTF_VERSION_STRING)
+
+# for backward compatiblity
+set(SDLTTF_LIBRARY ${SDL_TTF_LIBRARIES})
+set(SDLTTF_INCLUDE_DIR ${SDL_TTF_INCLUDE_DIRS})
+set(SDLTTF_FOUND ${SDL_TTF_FOUND})
+
+mark_as_advanced(SDL_TTF_LIBRARY SDL_TTF_INCLUDE_DIR)