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Find OpenAL the proper way

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This commit is contained in:
Erik Hofman
2016-05-30 10:50:22 +02:00
parent 733c283b1a
commit d1a808c630
2 changed files with 60 additions and 2 deletions
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3
CMakeLists.txt
View File

@@ -245,7 +245,6 @@ check_include_file(sys/time.h HAVE_SYS_TIME_H)
check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
check_include_file(unistd.h HAVE_UNISTD_H)
check_include_file(windows.h HAVE_WINDOWS_H)
check_include_file(AL/alext.h HAVE_AL_EXT_H)
if(HAVE_INTTYPES_H)
# ShivaVG needs inttypes.h
@@ -388,7 +387,7 @@ include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
${Boost_INCLUDE_DIRS}
${ZLIB_INCLUDE_DIR}
${OPENAL_INCLUDE_DIR}
${OPENAL_INCLUDE_DIRS}
${CURL_INCLUDE_DIRS}
)

59
CMakeModules/FindOpenAL.cmake Normal file
View File

@@ -0,0 +1,59 @@
# Copyright Matus Chochlik.
# Distributed under the Boost Software License, Version 1.0.
# See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt
#
# 2016-05-30: Updated for FlightGear --EMH--
#
unset(OPENAL_INCLUDE_DIRS)
set(OPENAL_FOUND 0)
#
# try to find AL/al.h
find_path(
OPENAL_AL_H_DIR AL/al.h
PATHS ${HEADER_SEARCH_PATHS}
NO_DEFAULT_PATH
)
# if that didn't work try the system directories
if((NOT OPENAL_AL_H_DIR) OR (NOT EXISTS ${OPENAL_AL_H_DIR}))
find_path(OPENAL_AL_H_DIR AL/al.h)
endif()
# if found append it to the include directories
if((OPENAL_AL_H_DIR) AND (EXISTS ${OPENAL_AL_H_DIR}))
set(OPENAL_INCLUDE_DIRS ${OPENAL_INCLUDE_DIRS} ${OPENAL_AL_H_DIR})
set(HAVE_AL_H true)
set(OPENAL_FOUND 1)
endif()
#
#
# try to find AL/alext.h
find_path(
OPENAL_ALEXT_H_DIR AL/alext.h
PATHS ${HEADER_SEARCH_PATHS}
NO_DEFAULT_PATH
)
# if that didn't work try the system directories
if((NOT OPENAL_ALEXT_H_DIR) OR (NOT EXISTS ${OPENAL_ALEXT_H_DIR}))
find_path(OPENAL_ALEXT_H_DIR AL/alext.h)
endif()
#
if((OPENAL_ALEXT_H_DIR) AND (EXISTS ${OPENAL_ALEXT_H_DIR}))
set(OPENAL_INCLUDE_DIRS ${OPENAL_INCLUDE_DIRS} ${OPENAL_ALEXT_H_DIR})
set(HAVE_ALEXT_H true)
endif()
# try to find the AL library
find_library(
OPENAL_LIBRARY NAMES openal
PATHS ${LIBRARY_SEARCH_PATHS}
NO_DEFAULT_PATH
)
if(NOT OPENAL_LIBRARY)
find_library(OPENAL_LIBRARY NAMES openal)
endif()
set(OPENAL_LIBRARIES "")
if(OPENAL_LIBRARY AND EXISTS ${OPENAL_LIBRARY})
set(OPENAL_LIBRARIES ${OPENAL_LIBRARIES} ${OPENAL_LIBRARY})
endif()