1 # - Locate SDL2_mixer library (modified from Cmake's FindSDL_mixer.cmake)
3 # SDL2_MIXER_LIBRARIES, the name of the library to link against
4 # SDL2_MIXER_INCLUDE_DIRS, where to find the headers
5 # SDL2_MIXER_FOUND, if false, do not try to link against
6 # SDL2_MIXER_VERSION_STRING - human-readable string containing the version of SDL2_mixer
8 # For backward compatiblity the following variables are also set:
9 # SDL2MIXER_LIBRARY (same value as SDL2_MIXER_LIBRARIES)
10 # SDL2MIXER_INCLUDE_DIR (same value as SDL2_MIXER_INCLUDE_DIRS)
11 # SDL2MIXER_FOUND (same value as SDL2_MIXER_FOUND)
13 # $SDLDIR is an environment variable that would
14 # correspond to the ./configure --prefix=$SDLDIR
15 # used in building SDL.
17 #=============================================================================
18 # Copyright 2000-2014 Kitware, Inc.
19 # Copyright 2000-2011 Insight Software Consortium
20 # Copyright 2014 Justin Jacobs
21 # All rights reserved.
23 # Distributed under the OSI-approved BSD License (the "License");
24 # see accompanying file Copyright.txt for details.
26 # This software is distributed WITHOUT ANY WARRANTY; without even the
27 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
28 # See the License for more information.
29 #=============================================================================
31 if(NOT SDL2_MIXER_INCLUDE_DIR AND SDL2MIXER_INCLUDE_DIR)
32 set(SDL2_MIXER_INCLUDE_DIR ${SDL2MIXER_INCLUDE_DIR} CACHE PATH "directory cache
33 entry initialized from old variable name")
35 find_path(SDL2_MIXER_INCLUDE_DIR SDL_mixer.h
39 PATH_SUFFIXES include/SDL2 include
42 if(NOT SDL2_MIXER_LIBRARY AND SDL2MIXER_LIBRARY)
43 set(SDL2_MIXER_LIBRARY ${SDL2MIXER_LIBRARY} CACHE FILEPATH "file cache entry
44 initialized from old variable name")
46 find_library(SDL2_MIXER_LIBRARY
54 if(SDL2_MIXER_INCLUDE_DIR AND EXISTS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h")
55 file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+[0-9]+$")
56 file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+[0-9]+$")
57 file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+[0-9]+$")
58 string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MAJOR "${SDL2_MIXER_VERSION_MAJOR_LINE}")
59 string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MINOR "${SDL2_MIXER_VERSION_MINOR_LINE}")
60 string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_PATCH "${SDL2_MIXER_VERSION_PATCH_LINE}")
61 set(SDL2_MIXER_VERSION_STRING ${SDL2_MIXER_VERSION_MAJOR}.${SDL2_MIXER_VERSION_MINOR}.${SDL2_MIXER_VERSION_PATCH})
62 unset(SDL2_MIXER_VERSION_MAJOR_LINE)
63 unset(SDL2_MIXER_VERSION_MINOR_LINE)
64 unset(SDL2_MIXER_VERSION_PATCH_LINE)
65 unset(SDL2_MIXER_VERSION_MAJOR)
66 unset(SDL2_MIXER_VERSION_MINOR)
67 unset(SDL2_MIXER_VERSION_PATCH)
70 set(SDL2_MIXER_LIBRARIES ${SDL2_MIXER_LIBRARY})
71 set(SDL2_MIXER_INCLUDE_DIRS ${SDL2_MIXER_INCLUDE_DIR})
73 include(FindPackageHandleStandardArgs)
75 FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_mixer
76 REQUIRED_VARS SDL2_MIXER_LIBRARIES SDL2_MIXER_INCLUDE_DIRS
77 VERSION_VAR SDL2_MIXER_VERSION_STRING)
79 # for backward compatiblity
80 set(SDL2MIXER_LIBRARY ${SDL2_MIXER_LIBRARIES})
81 set(SDL2MIXER_INCLUDE_DIR ${SDL2_MIXER_INCLUDE_DIRS})
82 set(SDL2MIXER_FOUND ${SDL2_MIXER_FOUND})
84 mark_as_advanced(SDL2_MIXER_LIBRARY SDL2_MIXER_INCLUDE_DIR)