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# - Try to find the freetype library
# Once done this defines
#
# LIBUSB_FOUND - system has libusb
# LIBUSB_INCLUDE_DIR - the libusb include directory
# LIBUSB_LIBRARIES - Link these to use libusb
if (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
# in cache already
set(LIBUSB_FOUND TRUE)
else (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
INCLUDE(UsePkgConfig)
PKGCONFIG(libUSB _libUSBIncDir _libUSBLinkDir _libUSBLinkFlags _libUSBCflags)
FIND_PATH(LIBUSB_INCLUDE_DIR usb.h
/usr/include
/usr/local/include
)
FIND_LIBRARY(LIBUSB_LIBRARY NAMES usb
PATHS
${_libUSBLinkDir}
/usr/lib
/usr/local/lib
)
set( LIBUSB_LIBRARIES ${LIBUSB_LIBRARY} CACHE INTERNAL "The libraries for libusb" )
if (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
set( LIBUSB_FOUND TRUE)
endif (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
if (LIBUSB_FOUND)
if (NOT libUSB_FIND_QUIETLY)
message(STATUS "Found LIBUSB: ${LIBUSB_LIBRARIES}")
endif (NOT libUSB_FIND_QUIETLY)
else (LIBUSB_FOUND)
if (libUSB_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find LIBUSB")
endif (libUSB_FIND_REQUIRED)
endif (LIBUSB_FOUND)
MARK_AS_ADVANCED(
LIBUSB_INCLUDE_DIR LIBUSB_LIBRARIES
)
endif (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
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