# - Try to find the LIBIGL library
# Once done this will define
#
#  LIBIGL_FOUND - system has LIBIGL
#  LIBIGL_INCLUDE_DIR - **the** LIBIGL include directory
if(LIBIGL_FOUND)
	return()
endif()

find_path(LIBIGL_INCLUDE_DIR igl/readOBJ.h
	HINTS
		ENV LIBIGL
		ENV LIBIGLROOT
		ENV LIBIGL_ROOT
		ENV LIBIGL_DIR
	PATHS
		${CMAKE_SOURCE_DIR}/../..
		${CMAKE_SOURCE_DIR}/..
		${CMAKE_SOURCE_DIR}
		${CMAKE_SOURCE_DIR}/libigl
		${CMAKE_SOURCE_DIR}/../libigl
		${CMAKE_SOURCE_DIR}/../../libigl
		/usr
		/usr/local
		/usr/local/igl/libigl
	PATH_SUFFIXES include
)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LIBIGL
	"\nlibigl not found --- You can download it using:\n\tgit clone --recursive https://github.com/libigl/libigl.git ${CMAKE_SOURCE_DIR}/../libigl" LIBIGL_INCLUDE_DIR)
mark_as_advanced(LIBIGL_INCLUDE_DIR)

list(APPEND CMAKE_MODULE_PATH "${LIBIGL_INCLUDE_DIR}/../shared/cmake")

