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FindSDL2_mixer.cmake
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FindSDL2_mixer.cmake
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# - 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 compatiblity 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).
#
# Modified by Gabriel Kind for EasyRPG project to find SDL2_mixer.
#
#=============================================================================
# Copyright 2003-2009 Kitware, Inc.
# Copyright 2012 Benjamin Eikel
# Copyright 2013 Gabriel Kind
#
#=============================================================================
# CMake - Cross Platform Makefile Generator
# Copyright 2000-2011 Kitware, Inc., Insight Software Consortium
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# * Neither the names of Kitware, Inc., the Insight Software Consortium,
# nor the names of their contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# ------------------------------------------------------------------------------
#
# The above copyright and license notice applies to distributions of
# CMake in source and binary form. Some source files contain additional
# notices of original copyright by their contributors; see each source
# for details. Third-party software packages supplied with CMake under
# compatible licenses provide their own copyright notices documented in
# corresponding subdirectories.
#
# ------------------------------------------------------------------------------
#
# CMake was initially developed by Kitware with the following sponsorship:
#
# * National Library of Medicine at the National Institutes of Health
# as part of the Insight Segmentation and Registration Toolkit (ITK).
#
# * US National Labs (Los Alamos, Livermore, Sandia) ASC Parallel
# Visualization Initiative.
#
# * National Alliance for Medical Image Computing (NAMIC) is funded by the
# National Institutes of Health through the NIH Roadmap for Medical Research,
# Grant U54 EB005149.
#
# * Kitware, Inc.
#
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_mixer.h
HINTS
ENV SDL2MIXERDIR
ENV SDL2DIR
PATH_SUFFIXES include/SDL2 include
)
if(NOT SDL2_MIXER_LIBRARY AND SDL2MIXER_LIBRARY)
set(SDL2_MIXER_LIBRARY ${SDL2MIXER_LIBRARY} CACHE FILEPATH "file cache entry
initialized from old variable name")
endif()
find_library(SDL2_MIXER_LIBRARY
NAMES SDL2_mixer
HINTS
ENV SDLMIXERDIR
ENV SDLDIR
PATH_SUFFIXES lib
)
if(SDL2_MIXER_INCLUDE_DIR AND EXISTS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h")
file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MAJOR "${SDL2_MIXER_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MINOR "${SDL2_MIXER_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_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 compatiblity
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)