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# - Find libusb for portable USB support
#
# If the LibUSB_ROOT environment variable
# is defined, it will be used as base path.
# The following standard variables get defined:
# LibUSB_FOUND: true if LibUSB was found
# LibUSB_INCLUDE_DIR: the directory that contains the include file
# LibUSB_LIBRARIES: the libraries
find_package(PkgConfig)
IF(PKG_CONFIG_FOUND)
IF(DEPENDS_DIR) #Otherwise use System pkg-config path
SET(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:${DEPENDS_DIR}/libusb/lib/pkgconfig")
ENDIF()
SET(MODULE "libusb-1.0")
IF(CMAKE_SYSTEM_NAME MATCHES "Linux")
SET(MODULE "libusb-1.0>=1.0.20")
ENDIF()
IF(LibUSB_FIND_REQUIRED)
SET(LibUSB_REQUIRED "REQUIRED")
ENDIF()
PKG_CHECK_MODULES(LibUSB ${LibUSB_REQUIRED} ${MODULE})
FIND_LIBRARY(LibUSB_LIBRARY
NAMES ${LibUSB_LIBRARIES}
HINTS ${LibUSB_LIBRARY_DIRS}
)
SET(LibUSB_LIBRARIES ${LibUSB_LIBRARY})
RETURN()
ENDIF()
FIND_PATH(LibUSB_INCLUDE_DIRS
NAMES libusb.h
PATHS
"${DEPENDS_DIR}/libusb"
"${DEPENDS_DIR}/libusbx"
ENV LibUSB_ROOT
PATH_SUFFIXES
include
libusb
include/libusb-1.0
)
SET(LIBUSB_NAME libusb)
FIND_LIBRARY(LibUSB_LIBRARIES
NAMES ${LIBUSB_NAME}-1.0
PATHS
"${DEPENDS_DIR}/libusb"
"${DEPENDS_DIR}/libusbx"
ENV LibUSB_ROOT
PATH_SUFFIXES
x64/Release/dll
x64/Debug/dll
Win32/Release/dll
Win32/Debug/dll
MS64
MS64/dll
)
IF(WIN32)
FIND_FILE(LibUSB_DLL
${LIBUSB_NAME}-1.0.dll
PATHS
"${DEPENDS_DIR}/libusb"
"${DEPENDS_DIR}/libusbx"
ENV LibUSB_ROOT
PATH_SUFFIXES
x64/Release/dll
x64/Debug/dll
Win32/Release/dll
Win32/Debug/dll
MS64
MS64/dll
)
ENDIF()
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibUSB FOUND_VAR LibUSB_FOUND
REQUIRED_VARS LibUSB_LIBRARIES LibUSB_INCLUDE_DIRS)
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