05f3c61013
Unfortunately libusb-1.0 header file brings some extra warnings
/usr/include/libusb-1.0/libusb.h:1431:9: warning:
cast from 'unsigned char *' to 'struct libusb_control_setup *' increases required alignment from 1 to 2 [-Wcast-align]
return (struct libusb_control_setup *) transfer->buffer;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/libusb-1.0/libusb.h:1460:39: warning:
cast from 'unsigned char *' to 'struct libusb_control_setup *' increases required alignment from 1 to 2 [-Wcast-align]
struct libusb_control_setup *setup = (struct libusb_control_setup *) buffer;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/libusb-1.0/libusb.h:1505:39: warning:
cast from 'unsigned char *' to 'struct libusb_control_setup *' increases required alignment from 1 to 2 [-Wcast-align]
struct libusb_control_setup *setup = (struct libusb_control_setup *) buffer;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
58 lines
2.0 KiB
CMake
58 lines
2.0 KiB
CMake
# This CMake script wants to use libusb functionality, therefore it looks
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# for libusb include files and libraries.
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#
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# Operating Systems Supported:
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# - Unix (requires pkg-config)
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# Tested with Ubuntu 9.04 and Fedora 11
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# - Windows (requires MinGW)
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# Tested with Windows XP/Windows 7
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#
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# This should work for both 32 bit and 64 bit systems.
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#
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# Author: F. Kooman <fkooman@tuxed.net>
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#
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# FreeBSD has built-in libusb since 800069
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IF(CMAKE_SYSTEM_NAME MATCHES FreeBSD)
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EXEC_PROGRAM(sysctl ARGS -n kern.osreldate OUTPUT_VARIABLE FREEBSD_VERSION)
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SET(MIN_FREEBSD_VERSION 800068)
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IF(FREEBSD_VERSION GREATER ${MIN_FREEBSD_VERSION})
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SET(LIBUSB_FOUND TRUE)
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SET(LIBUSB_INCLUDE_DIRS "/usr/include")
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SET(LIBUSB_LIBRARIES "usb")
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SET(LIBUSB_LIBRARY_DIRS "/usr/lib/")
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ENDIF(FREEBSD_VERSION GREATER ${MIN_FREEBSD_VERSION})
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ENDIF(CMAKE_SYSTEM_NAME MATCHES FreeBSD)
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IF(NOT LIBUSB_FOUND)
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IF(WIN32)
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FIND_PATH(LIBUSB_INCLUDE_DIRS lusb0_usb.h "$ENV{ProgramFiles}/LibUSB-Win32/include" NO_SYSTEM_ENVIRONMENT_PATH)
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FIND_LIBRARY(LIBUSB_LIBRARIES NAMES libusb PATHS "$ENV{ProgramFiles}/LibUSB-Win32/lib/gcc")
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SET(LIBUSB_LIBRARY_DIR "$ENV{ProgramFiles}/LibUSB-Win32/bin/x86/")
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# Must fix up variable to avoid backslashes during packaging
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STRING(REGEX REPLACE "\\\\" "/" LIBUSB_LIBRARY_DIR ${LIBUSB_LIBRARY_DIR})
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ELSE(WIN32)
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# If not under Windows we use PkgConfig
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FIND_PACKAGE (PkgConfig)
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IF(PKG_CONFIG_FOUND)
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PKG_CHECK_MODULES(LIBUSB REQUIRED libusb-1.0)
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ELSE(PKG_CONFIG_FOUND)
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MESSAGE(FATAL_ERROR "Could not find PkgConfig")
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ENDIF(PKG_CONFIG_FOUND)
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ENDIF(WIN32)
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IF(LIBUSB_INCLUDE_DIRS AND LIBUSB_LIBRARIES)
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SET(LIBUSB_FOUND TRUE)
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ENDIF(LIBUSB_INCLUDE_DIRS AND LIBUSB_LIBRARIES)
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ENDIF(NOT LIBUSB_FOUND)
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IF(LIBUSB_FOUND)
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IF(NOT LIBUSB_FIND_QUIETLY)
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MESSAGE(STATUS "Found LIBUSB: ${LIBUSB_LIBRARIES} ${LIBUSB_INCLUDE_DIRS}")
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ENDIF (NOT LIBUSB_FIND_QUIETLY)
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ELSE(LIBUSB_FOUND)
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IF(LIBUSB_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Could not find LIBUSB")
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ENDIF(LIBUSB_FIND_REQUIRED)
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ENDIF(LIBUSB_FOUND)
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