libigl_Martin/tutorial/cmake/FindEMBREE.cmake

#
# Try to find EMBREE
# Once done this will define
#
# EMBREE_FOUND           - system has EMBREE
# EMBREE_INCLUDE_DIRS    - the EMBREE include directories
# EMBREE_LIBRARIES       - Link these to use EMBREE
#

FIND_PATH(EMBREE_INCLUDE_DIR embree/include/embree.h
	  PATHS
		${PROJECT_SOURCE_DIR}/../../external/embree
		NO_DEFAULT_PATH
    )

SET(SEARCH_PATHS "${EMBREE_INCLUDE_DIR}" "${EMBREE_INCLUDE_DIR}/build" "${EMBREE_INCLUDE_DIR}/lib")

FIND_LIBRARY(EMBREE_CORE_LIBRARY  NAMES embree PATHS ${SEARCH_PATHS} PATH_SUFFIXES a lib)
FIND_LIBRARY(EMBREE_CORE_LIBRARY2 NAMES device PATHS ${SEARCH_PATHS} PATH_SUFFIXES a lib)
FIND_LIBRARY(EMBREE_CORE_LIBRARY3 NAMES image PATHS ${SEARCH_PATHS} PATH_SUFFIXES a lib)
FIND_LIBRARY(EMBREE_CORE_LIBRARY4 NAMES lexers PATHS ${SEARCH_PATHS} PATH_SUFFIXES a lib)
#FIND_LIBRARY(EMBREE_CORE_LIBRARY5 NAMES loaders PATHS ${SEARCH_PATHS} PATH_SUFFIXES a lib)
FIND_LIBRARY(EMBREE_CORE_LIBRARY6 NAMES sys PATHS ${SEARCH_PATHS} PATH_SUFFIXES a lib)

if(EMBREE_CORE_LIBRARY AND EMBREE_INCLUDE_DIR)
set(EMBREE_FOUND TRUE)
endif(EMBREE_CORE_LIBRARY AND EMBREE_INCLUDE_DIR)

IF (EMBREE_FOUND)
   message(STATUS "Found EMBREE: ${EMBREE_INCLUDE_DIR}")

   SET(EMBREE_LIBRARIES
   "${EMBREE_CORE_LIBRARY}"
   "${EMBREE_CORE_LIBRARY2}"
   "${EMBREE_CORE_LIBRARY3}"
   "${EMBREE_CORE_LIBRARY4}"
   #"${EMBREE_CORE_LIBRARY5}"
   "${EMBREE_CORE_LIBRARY6}"
   )
   SET(EMBREE_INCLUDE_DIRS ${EMBREE_INCLUDE_DIR} ${EMBREE_INCLUDE_DIR}/embree)
ELSE (EMBREE_FOUND)
    message(STATUS "could NOT find EMBREE")
ENDIF (EMBREE_FOUND)