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## Detect the raytracing library rtfact
INCLUDE(CheckLibraryExists)
## Set some possible paths to use when looking for the RTfact installation
SET(RTFACT_POSSIBLE_ROOT_DIRS
${RTFACT_ROOT_DIR}
$ENV{RTFACT_ROOT_DIR}
)
## First, try to find the required header files (RTpie/IRayTracer.hpp)
FIND_PATH(RTFACT_INCLUDE_PATH
NAMES RTpie/IRayTracer.hpp
PATHS ${RTFACT_POSSIBLE_ROOT_DIRS}
PATH_SUFFIXES include
DOC "RTfact header include dir")
IF (NOT RTFACT_INCLUDE_PATH)
MESSAGE(STATUS "Could not find RTfact header file (RTpie/IRayTracer.hpp)! Real time ray tracing will be disabled!")
ELSE()
SET(RTFACT_INCLUDE_DIR ${RTFACT_INCLUDE_PATH} CACHE STRING "Full path to the RTfact headers")
## Now, try to find the rtfact library itself.
FIND_LIBRARY(RTFACT_OPT_LIBRARY
NAMES RTfactRTpie
PATHS ${RTFACT_POSSIBLE_ROOT_DIRS} ${RTFACT_POSSIBLE_ROOT_DIRS}/build ${RTFACT_POSSIBLE_ROOT_DIRS}/build/lib ${RTFACT_POSSIBLE_ROOT_DIRS}/build/Release ${RTFACT_POSSIBLE_ROOT_DIRS}/build/lib/Release ${RTFACT_POSSIBLE_ROOT_DIRS}/remote/build ${RTFACT_POSSIBLE_ROOT_DIRS}/remote/build/lib ${RTFACT_POSSIBLE_ROOT_DIRS}/remote/build/Release ${RTFACT_POSSIBLE_ROOT_DIRS}/remote/build/lib/Release
PATH_SUFFIXES lib
DOC "RTfact library, optimized")
## And a possible debug version
FIND_LIBRARY(RTFACT_DEBUG_LIBRARY
NAMES RTfactRemoted RTfactRTpie
PATHS ${RTFACT_POSSIBLE_ROOT_DIRS} ${RTFACT_POSSIBLE_ROOT_DIRS}/build ${RTFACT_POSSIBLE_ROOT_DIRS}/build/lib ${RTFACT_POSSIBLE_ROOT_DIRS}/build/Debug ${RTFACT_POSSIBLE_ROOT_DIRS}/remote/build ${RTFACT_POSSIBLE_ROOT_DIRS}/remote/build/Debug ${RTFACT_POSSIBLE_ROOT_DIRS}/remote/build/lib
PATH_SUFFIXES lib
DOC "RTfact library, debug")
IF (RTFACT_OPT_LIBRARY OR RTFACT_DEBUG_LIBRARY)
BALL_COMBINE_LIBS(RTFACT_LIBRARIES ${RTFACT_OPT_LIBRARY} ${RTFACT_DEBUG_LIBRARY})
SET(RTFACT_FOUND TRUE)
ELSE()
MESSAGE(STATUS "Could not find RTfact libraries!")
SET(RTFACT_FOUND FALSE)
ENDIF()
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(RTFACT DEFAULT_MSG
RTFACT_INCLUDE_DIR
RTFACT_LIBRARIES)
MARK_AS_ADVANCED(RTFACT_INCLUDE_DIR)
MARK_AS_ADVANCED(RTFACT_LIBRARIES)
ENDIF()
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