# - Try to find USB-1.0
# Once done this will define
#
# USB-1.0_FOUND - system has USB-1.0
# USB-1.0_INCLUDE_DIRS - the USB-1.0 include directory
# USB-1.0_LIBRARIES - Link these to use USB-1.0
# USB-1.0_DEFINITIONS - Compiler switches required for using USB-1.0
#
# Copyright (c) 2009 Andreas Schneider <[email protected]>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#


if (USB-1.0_LIBRARIES AND USB-1.0_INCLUDE_DIRS)
# in cache already
set(USB-1.0_FOUND TRUE)
else (USB-1.0_LIBRARIES AND USB-1.0_INCLUDE_DIRS)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
include(UsePkgConfig)
pkgconfig(libusb-1.0 _USB-1.0_INCLUDEDIR _USB-1.0_LIBDIR _USB-1.0_LDFLAGS _USB-1.0_CFLAGS)
else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(_USB-1.0 libusb-1.0)
endif (PKG_CONFIG_FOUND)
endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)

find_path(USB-1.0_INCLUDE_DIR
NAMES
libusb.h
PATHS
${_USB-1.0_INCLUDEDIR}
/usr/include
/usr/local/include
/opt/local/include
/sw/include
PATH_SUFFIXES
libusb-1.0
)
mark_as_advanced(USB-1.0_INCLUDE_DIR)

find_library(USB-1.0_LIBRARY
NAMES
usb-1.0
PATHS
${_USB-1.0_LIBDIR}
/usr/lib
/usr/local/lib
/opt/local/lib
/sw/lib
)
mark_as_advanced(USB-1.0_LIBRARY)

if (USB-1.0_LIBRARY)
set(USB-1.0_FOUND TRUE)
mark_as_advanced(USB-1.0_FOUND)
endif (USB-1.0_LIBRARY)

set(USB-1.0_INCLUDE_DIRS
${USB-1.0_INCLUDE_DIR}
)

if (USB-1.0_FOUND)
set(USB-1.0_LIBRARIES
${USB-1.0_LIBRARIES}
${USB-1.0_LIBRARY}
)
endif (USB-1.0_FOUND)

if (USB-1.0_INCLUDE_DIRS AND USB-1.0_LIBRARIES)
set(USB-1.0_FOUND TRUE)
endif (USB-1.0_INCLUDE_DIRS AND USB-1.0_LIBRARIES)

if (USB-1.0_FOUND)
if (NOT USB-1.0_FIND_QUIETLY)
message(STATUS "Found USB-1.0: ${USB-1.0_LIBRARIES}")
endif (NOT USB-1.0_FIND_QUIETLY)
else (USB-1.0_FOUND)
if (USB-1.0_FIND_REQUIRED)
message(FATAL_ERROR "Could not find USB-1.0")
endif (USB-1.0_FIND_REQUIRED)
endif (USB-1.0_FOUND)

# show the USB-1.0_INCLUDE_DIRS and USB-1.0_LIBRARIES variables only in the advanced view
mark_as_advanced(USB-1.0_INCLUDE_DIRS USB-1.0_LIBRARIES)

endif (USB-1.0_LIBRARIES AND USB-1.0_INCLUDE_DIRS)