initial buildroot for linux 5.15

package/hidapi/Config.in

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+config BR2_PACKAGE_HIDAPI
+	bool "hidapi"
+	depends on BR2_PACKAGE_HAS_UDEV
+	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libusb
+	select BR2_PACKAGE_LIBUSB
+	select BR2_PACKAGE_LIBGUDEV
+	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
+	# runtime UTF conversion support
+	select BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_COPY if BR2_TOOLCHAIN_USES_GLIBC
+	help
+	  HIDAPI is a multi-platform library which allows an application
+	  to interface with USB and Bluetooth HID-Class devices on
+	  Windows, Linux, and Mac OS X.
+
+	  http://github.com/libusb/hidapi/
+
+comment "hidapi needs udev /dev management and a toolchain w/ NPTL, threads, gcc >= 4.9"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || \
+		!BR2_PACKAGE_HAS_UDEV || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9

package/hidapi/hidapi.hash

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+# Locally calculated
+sha256  391d8e52f2d6a5cf76e2b0c079cfefe25497ba1d4659131297081fc0cd744632  hidapi-0.11.0.tar.gz
+sha256  7d3b087c34f35d4d538e3bcddd1ff8f66e92f9ef336881999482800ddf840913  LICENSE.txt
+sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  LICENSE-gpl3.txt
+sha256  30eb1bef29b46f8ba7ab8b416035dbd93cb034a45481dd97815b944284582cd2  LICENSE-bsd.txt
+sha256  fb5436aa63d1b71a8dfbf74ecaf1a5b4e1ec4df7f80074d11fec99284f69ca5f  LICENSE-orig.txt

package/hidapi/hidapi.mk

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+################################################################################
+#
+# hidapi
+#
+################################################################################
+
+HIDAPI_VERSION = 0.11.0
+HIDAPI_SITE = $(call github,libusb,hidapi,hidapi-$(HIDAPI_VERSION))
+HIDAPI_INSTALL_STAGING = YES
+# No configure provided, so we need to autoreconf.
+HIDAPI_AUTORECONF = YES
+HIDAPI_LICENSE = GPL-3.0 or BSD-3-Clause or HIDAPI license
+HIDAPI_LICENSE_FILES = LICENSE.txt LICENSE-gpl3.txt LICENSE-bsd.txt LICENSE-orig.txt
+
+HIDAPI_DEPENDENCIES = libusb libgudev
+
+ifeq ($(BR2_PACKAGE_LIBICONV),y)
+HIDAPI_DEPENDENCIES += libiconv
+HIDAPI_CONF_ENV += LIBS="-liconv"
+endif
+
+$(eval $(autotools-package))