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openmw-tes3mp/cmake/FindBullet.cmake

74 lines
2.5 KiB
CMake

# - Try to find the Bullet physics engine
#
# This module accepts the following env variables
# BULLET_ROOT - Can be set to bullet install path or Windows build path
#
# Once done this will define
# Bullet_FOUND - System has the all required components.
# Bullet_INCLUDE_DIRS - Include directory necessary for using the required components headers.
# Bullet_LIBRARIES - Link these to use the required bullet components.
# Bullet_VERSION - Version of libbullet
#
# For each of the components
# - LinearMath
# - BulletCollision
# - BulletSoftBody
# - BulletDynamics
#
# Copyright (c) 2009, Philip Lowman <philip at yhbt.com>
# Modified for OpenMW to parse BT_BULLET_VERSION.
#
# Redistribution AND use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
include(LibFindMacros)
# Macro: _internal_find_bullet_library
# Checks for the given component by invoking pkgconfig etc.
macro(_internal_find_bullet_library _lib)
libfind_pkg_detect(Bullet_${_lib} bullet
FIND_LIBRARY ${_lib}
HINTS $ENV{BULLET_ROOT}
PATH_SUFFIXES lib
)
libfind_process(Bullet_${_lib})
endmacro()
set(_known_components LinearMath BulletCollision BulletSoftBody BulletDynamics)
# Check if the required components were found and add their stuff to the Bullet_* vars.
foreach (_component ${Bullet_FIND_COMPONENTS})
list(FIND _known_components ${_component} _known_component)
if (_known_component EQUAL -1)
message(FATAL_ERROR "Unknown component '${_component}'")
endif()
set(Bullet_${_component}_Debug_FIND_QUIETLY TRUE) # don't spam messages with optional Debug component
_internal_find_bullet_library(${_component})
_internal_find_bullet_library(${_component}_Debug)
if (Bullet_${_component}_Debug_FOUND)
set(Bullet_LIBRARIES ${Bullet_LIBRARIES} optimized ${Bullet_${_component}_LIBRARIES} debug ${Bullet_${_component}_Debug_LIBRARIES})
else()
set(Bullet_LIBRARIES ${Bullet_LIBRARIES} ${Bullet_${_component}_LIBRARIES})
endif()
endforeach()
libfind_pkg_detect(Bullet bullet
FIND_PATH btBulletCollisionCommon.h
HINTS $ENV{BULLET_ROOT}
PATH_SUFFIXES include/bullet
)
set(Bullet_INCLUDE_DIRS ${Bullet_INCLUDE_DIR})
libfind_version_header(Bullet LinearMath/btScalar.h BT_BULLET_VERSION)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Bullet
FOUND_VAR Bullet_FOUND
VERSION_VAR Bullet_VERSION
HANDLE_COMPONENTS
REQUIRED_VARS
Bullet_LIBRARIES
Bullet_INCLUDE_DIR
)