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# - Try to find libusb-1.0
# Once done, this will define
#
# USB_FOUND - system has libusb-1.0
# USB_INCLUDE_DIRS - the libusb-1.0 include directories
# USB_LIBRARIES - link these to use libusb-1.0
include(LibFindMacros)
# Dependencies
# pkg-config + libusb fails on FreeBSD, though libusb is in base
if(NOT(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD"))
# Use pkg-config to get hints about paths
libfind_pkg_check_modules(USB_PKGCONF libusb-1.0>=1.0.3)
# We want to look for libusb-1.0
set(USB_LIBRARY_NAME usb-1.0)
else()
set(USB_PKGCONF_INCLUDE_DIRS /usr/include)
set(USB_PKGCONF_LIBRARY_DIRS /usr/lib)
set(USB_LIBRARY_NAME usb)
endif()
# Include dir
find_path(USB_INCLUDE_DIR
NAMES libusb.h
PATHS ${USB_PKGCONF_INCLUDE_DIRS}
)
# Finally the library itself
find_library(USB_LIBRARY
NAMES ${USB_LIBRARY_NAME}
PATHS ${USB_PKGCONF_LIBRARY_DIRS}
)
# Set the include dir variables and the libraries and let libfind_process do the rest.
# NOTE: Singular variables for this library, plural for libraries this this lib depends on.
set(USB_PROCESS_INCLUDES USB_INCLUDE_DIR)
set(USB_PROCESS_LIBS USB_LIBRARY)
libfind_process(USB)
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