FindDFU.cmake

# - Try to find DFU
# Once done this will define
#
#  DFU_FOUND - system has DFU
#  DFU_INCLUDE_DIR - the DFU include directory
#  DFU_LIBRARIES - Link these to use DFU
#  DFU_VERSION_STRING - Human readable version number of dfu
#  DFU_VERSION_MAJOR  - Major version number of dfu
#  DFU_VERSION_MINOR  - Minor version number of dfu

# Copyright (c) 2017, Ilia Platone, <info@iliaplatone.com>
# Based on FindLibfacile by Carsten Niehaus, <cniehaus@gmx.de>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.

if (DFU_INCLUDE_DIR AND DFU_LIBRARIES)

  # in cache already
  set(DFU_FOUND TRUE)
  message(STATUS "Found DFU: ${DFU_LIBRARIES}")


else (DFU_INCLUDE_DIR AND DFU_LIBRARIES)

    find_path(DFU_INCLUDE_DIR dfu.h
      PATH_SUFFIXES dfu
      ${_obIncDir}
      ${GNUWIN32_DIR}/include
    )

  find_library(DFU_LIBRARIES NAMES dfu
    PATHS
    ${_obLinkDir}
    ${GNUWIN32_DIR}/lib
    /usr/local/lib
    HINTS ${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}
  )

if(DFU_INCLUDE_DIR AND DFU_LIBRARIES)
  set(DFU_FOUND TRUE)
else (DFU_INCLUDE_DIR AND DFU_LIBRARIES)
  set(DFU_FOUND FALSE)
endif(DFU_INCLUDE_DIR AND DFU_LIBRARIES)

  if (DFU_FOUND)
    if (NOT DFU_FIND_QUIETLY)
      message(STATUS "Found DFU: ${DFU_LIBRARIES}")
    endif (NOT DFU_FIND_QUIETLY)
  else (DFU_FOUND)
    if (DFU_FIND_REQUIRED)
      message(FATAL_ERROR "DFU not found. Please install libdfu-dev")
    endif (DFU_FIND_REQUIRED)
  endif (DFU_FOUND)

  mark_as_advanced(DFU_LIBRARIES)
  
endif (DFU_INCLUDE_DIR AND DFU_LIBRARIES)