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openmw-tes3mp/cmake/FindOSGPlugins.cmake

51 lines
1.8 KiB
CMake

# This module accepts the following env variable
# OSGPlugins_LIB_DIR - <OpenSceneGraph>/lib/osgPlugins-<X.X.X> , path to search plugins
#
# Once done this will define
# OSGPlugins_FOUND - System has the all required components.
# OSGPlugins_LIBRARIES - Link these to use the required osg plugins components.
#
# Components:
# - osgdb_png
# - osgdb_tga
# - osgdb_dds
# - osgdb_jpeg
include(LibFindMacros)
include(Findosg_functions)
if (NOT OSGPlugins_LIB_DIR)
set(_mode WARNING)
if (OSGPlugins_FIND_REQUIRED)
set(_mode FATAL_ERROR)
endif()
message(${_mode} "OSGPlugins_LIB_DIR variable must be set")
endif()
foreach(_library ${OSGPlugins_FIND_COMPONENTS})
string(TOUPPER ${_library} _library_uc)
set(_component OSGPlugins_${_library})
set(${_library_uc}_DIR ${OSGPlugins_LIB_DIR}) # to help function osg_find_library
set(_saved_lib_prefix ${CMAKE_FIND_LIBRARY_PREFIXES}) # save CMAKE_FIND_LIBRARY_PREFIXES
set(CMAKE_FIND_LIBRARY_PREFIXES "") # search libraries with no prefix
osg_find_library(${_library_uc} ${_library}) # find it into ${_library_uc}_LIBRARIES
set(CMAKE_FIND_LIBRARY_PREFIXES ${_saved_lib_prefix}) # restore prefix
if (${_library_uc}_LIBRARIES)
set(${_component}_LIBRARY ${${_library_uc}_LIBRARIES}) # fake as if we call find_library
else()
set(${_component}_LIBRARY ${_component}_LIBRARY-NOTFOUND)
endif()
list(APPEND OSGPlugins_PROCESS_LIBS ${_component}_LIBRARY)
endforeach()
foreach(_dependency PNG ZLIB JPEG) # needed by osgdb_png or osgdb_jpeg
libfind_package(OSGPlugins ${_dependency})
set(${_dependency}_LIBRARY_OPTS ${_dependency}_LIBRARY)
#list(APPEND OSGPlugins_PROCESS_LIBS ${_dependency}_LIBRARY)
endforeach()
libfind_process(OSGPlugins)