# - Find Xi # Find the Xi libraries # # This module defines the following variables: # XI_FOUND - true if XI_INCLUDE_DIR & XI_LIBRARY are found # XI_LIBRARIES - Set when XI_LIBRARY is found # XI_INCLUDE_DIRS - Set when XI_INCLUDE_DIR is found # # XI_INCLUDE_DIR - where to find XInput2.h, etc. # XI_LIBRARY - the Xi library # #============================================================================= # Copyright 2011 O.S. Systems Software Ltda. # Copyright 2011 Otavio Salvador # Copyright 2011 Marc-Andre Moreau # Copyright 2013 Corey Clayton # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. #============================================================================= include(CheckSymbolExists) find_path(XI_INCLUDE_DIR NAMES X11/extensions/XInput2.h PATHS /opt/X11/include DOC "The Xi include directory") find_library(XI_LIBRARY NAMES Xi PATHS /opt/X11/lib DOC "The Xi library") include(FindPackageHandleStandardArgs) FIND_PACKAGE_HANDLE_STANDARD_ARGS(Xi DEFAULT_MSG XI_LIBRARY XI_INCLUDE_DIR) if(XI_FOUND) check_symbol_exists(XITouchClass "${XI_INCLUDE_DIR}/X11/extensions/XInput2.h" HAVE_XI_TOUCH_CLASS) if (NOT HAVE_XI_TOUCH_CLASS) set(XI_FOUND 0) endif() endif() if(XI_FOUND) set(XI_LIBRARIES ${XI_LIBRARY}) set(XI_INCLUDE_DIRS ${XI_INCLUDE_DIR}) endif() mark_as_advanced(XI_INCLUDE_DIR XI_LIBRARY)