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
...

1 files changed, 31 insertions, 29 deletions

diff --git a/Modules/FindSDL.cmake b/Modules/FindSDL.cmake
index adaec95a20..9359323273 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)