# Distributed under the OSI-approved BSD 3-Clause License. See accompanying # file Copyright.txt or https://cmake.org/licensing for details. # based on https://trenki2.github.io/blog/2017/07/04/using-sdl2-image-with-cmake/ #.rst: # FindSDL2_mixer # ------------- # # Locate SDL2_mixer library # # This module defines: # # :: # # SDL2_MIXER_LIBRARIES, the name of the library to link against # SDL2_MIXER_INCLUDE_DIRS, where to find the headers # SDL2_MIXER_FOUND, if false, do not try to link against # SDL2_MIXER_VERSION_STRING - human-readable string containing the # version of SDL2_mixer # # # # For backward compatibility the following variables are also set: # # :: # # SDL2MIXER_LIBRARY (same value as SDL2_MIXER_LIBRARIES) # SDL2MIXER_INCLUDE_DIR (same value as SDL2_MIXER_INCLUDE_DIRS) # SDL2MIXER_FOUND (same value as SDL2_MIXER_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 # additional Unix paths (FreeBSD, etc). if(NOT SDL2_MIXER_INCLUDE_DIR AND SDL2MIXER_INCLUDE_DIR) set(SDL2_MIXER_INCLUDE_DIR ${SDL2MIXER_INCLUDE_DIR} CACHE PATH "directory cache entry initialized from old variable name") endif() find_path(SDL2_MIXER_INCLUDE_DIR SDL_image.h HINTS ENV SDL2MIXERDIR ENV SDL2DIR ${SDL2_DIR} PATH_SUFFIXES SDL2 # path suffixes to search inside ENV{SDL2DIR} include/SDL2 include ) if(CMAKE_SIZEOF_VOID_P EQUAL 8) set(VC_LIB_PATH_SUFFIX lib/x64) else() set(VC_LIB_PATH_SUFFIX lib/x86) endif() if(NOT SDL2_MIXER_LIBRARY AND SDL2MIXER_LIBRARY) set(SDL2_MIXER_LIBRARY ${SDL2MIXER_LIBRARY} CACHE FILEPATH "file cache entry initialized from old variable name") endif() find_library(SDL2_MIXER_LIBRARY NAMES SDL2_mixer HINTS ENV SDL2MIXERDIR ENV SDL2DIR ${SDL2_DIR} PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX} ) if(SDL2_MIXER_INCLUDE_DIR AND EXISTS "${SDL2_MIXER_INCLUDE_DIR}/SDL2_mixer.h") file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL2_mixer.h" SDL2_MIXER_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL2_MIXER_MAJOR_VERSION[ \t]+[0-9]+$") file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL2_mixer.h" SDL2_MIXER_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_MIXER_MINOR_VERSION[ \t]+[0-9]+$") file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL2_mixer.h" SDL2_MIXER_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_MIXER_PATCHLEVEL[ \t]+[0-9]+$") string(REGEX REPLACE "^#define[ \t]+SDL2_MIXER_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MAJOR "${SDL2_MIXER_VERSION_MAJOR_LINE}") string(REGEX REPLACE "^#define[ \t]+SDL2_MIXER_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MINOR "${SDL2_MIXER_VERSION_MINOR_LINE}") string(REGEX REPLACE "^#define[ \t]+SDL2_MIXER_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_PATCH "${SDL2_MIXER_VERSION_PATCH_LINE}") set(SDL2_MIXER_VERSION_STRING ${SDL2_MIXER_VERSION_MAJOR}.${SDL2_MIXER_VERSION_MINOR}.${SDL2_MIXER_VERSION_PATCH}) unset(SDL2_MIXER_VERSION_MAJOR_LINE) unset(SDL2_MIXER_VERSION_MINOR_LINE) unset(SDL2_MIXER_VERSION_PATCH_LINE) unset(SDL2_MIXER_VERSION_MAJOR) unset(SDL2_MIXER_VERSION_MINOR) unset(SDL2_MIXER_VERSION_PATCH) endif() set(SDL2_MIXER_LIBRARIES ${SDL2_MIXER_LIBRARY}) set(SDL2_MIXER_INCLUDE_DIRS ${SDL2_MIXER_INCLUDE_DIR}) include(FindPackageHandleStandardArgs) FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_mixer REQUIRED_VARS SDL2_MIXER_LIBRARIES SDL2_MIXER_INCLUDE_DIRS VERSION_VAR SDL2_MIXER_VERSION_STRING) # for backward compatibility set(SDL2MIXER_LIBRARY ${SDL2_MIXER_LIBRARIES}) set(SDL2MIXER_INCLUDE_DIR ${SDL2_MIXER_INCLUDE_DIRS}) set(SDL2MIXER_FOUND ${SDL2_MIXER_FOUND}) mark_as_advanced(SDL2_MIXER_LIBRARY SDL2_MIXER_INCLUDE_DIR)