initial buildroot for linux 5.15

package/libphidget/Config.in

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+config BR2_PACKAGE_LIBPHIDGET
+	bool "libphidget"
+	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libusb
+	depends on !BR2_STATIC_LIBS
+	select BR2_PACKAGE_LIBUSB
+	help
+	  The libphidget library provides an API for controlling
+	  Phidgets USB devices. The library translates API function
+	  calls to libusb function calls to control attached Phidgets
+	  devices that provide GPIO's, DAC's, accelerometers, servo
+	  motors, and other capabilities either singly or on combo
+	  devices.
+
+	  To use libphidget for controlling locally attached devices you
+	  need to set up the userspace USB device tree /dev/bus/usb. See
+	  file udev/99-phidgets.rules.
+
+	  The libphidget library also contains an API for sending
+	  commands to a local or remote phidgetwebservice using HTTP.
+	  The phidgetwebservice then translates HTTP requests to
+	  libphidget API function calls to control locally attached
+	  Phidgets devices.
+
+	  http://phidgets.com/
+
+comment "libphidget needs a toolchain w/ threads, dynamic library, gcc >= 4.9"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9

package/libphidget/libphidget.hash

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+# locally computed
+sha256  0e789912700228808519cf5c41e19f9b761da635c6bb676b147897936b23851f  libphidget_2.1.9.20190409.tar.gz
+sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  COPYING

package/libphidget/libphidget.mk

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+################################################################################
+#
+# libphidget
+#
+################################################################################
+
+LIBPHIDGET_VERSION = 2.1.9.20190409
+LIBPHIDGET_SOURCE = libphidget_$(LIBPHIDGET_VERSION).tar.gz
+LIBPHIDGET_SITE = https://www.phidgets.com/downloads/phidget21/libraries/linux/libphidget
+LIBPHIDGET_DEPENDENCIES = libusb
+LIBPHIDGET_CONF_OPTS = --disable-ldconfig
+LIBPHIDGET_INSTALL_STAGING = YES
+LIBPHIDGET_LICENSE = LGPL-3.0
+LIBPHIDGET_LICENSE_FILES = COPYING
+
+$(eval $(autotools-package))