initial buildroot for linux 5.15

package/libusb-compat/0001-fix-a-build-issue-on-linux.patch

@@ -0,0 +1,32 @@
+From af07587e8775c25450cda8ba9e9a8b1a58072634 Mon Sep 17 00:00:00 2001
+From: Bartosz Golaszewski <brgl@bgdev.pl>
+Date: Mon, 3 Jul 2017 15:55:00 +0200
+Subject: [PATCH] fix a build issue on linux
+
+On linux PATH_MAX is defined in linux/limits.h. If we include usb.h
+without previously having indirectly included it, the build fails.
+
+Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
+---
+ libusb/usb.h | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/libusb/usb.h b/libusb/usb.h
+index d2c30aa..7ad9a66 100644
+--- a/libusb/usb.h
++++ b/libusb/usb.h
+@@ -41,6 +41,11 @@ typedef unsigned __int32  uint32_t;
+ #include <stdint.h>
+ #endif
+ 
++/* On linux PATH_MAX is defined in linux/limits.h. */
++#if defined(__linux__)
++#include <linux/limits.h>
++#endif
++
+ /*
+  * USB spec information
+  *
+-- 
+2.9.3
+

package/libusb-compat/Config.in

@@ -0,0 +1,7 @@
+config BR2_PACKAGE_LIBUSB_COMPAT
+	bool "libusb-compat"
+	depends on BR2_PACKAGE_LIBUSB
+	help
+	  libusb-0.1 compatibility layer for libusb-1.0.
+
+	  http://libusb.info/

package/libusb-compat/libusb-compat.hash

@@ -0,0 +1,3 @@
+# Locally computed:
+sha256  8259f8d5b084fe43c47823a939e955e0ba21942b8d112266c39d228cc14764d6  libusb-compat-0.1.7.tar.bz2
+sha256  5df07007198989c622f5d41de8d703e7bef3d0e79d62e24332ee739a452af62a  COPYING

package/libusb-compat/libusb-compat.mk

@@ -0,0 +1,25 @@
+################################################################################
+#
+# libusb-compat
+#
+################################################################################
+
+LIBUSB_COMPAT_VERSION_MAJOR = 0.1
+LIBUSB_COMPAT_VERSION = $(LIBUSB_COMPAT_VERSION_MAJOR).7
+LIBUSB_COMPAT_SOURCE = libusb-compat-$(LIBUSB_COMPAT_VERSION).tar.bz2
+LIBUSB_COMPAT_SITE = https://github.com/libusb/libusb-compat-0.1/releases/download/v$(LIBUSB_COMPAT_VERSION)
+LIBUSB_COMPAT_DEPENDENCIES = host-pkgconf libusb
+HOST_LIBUSB_COMPAT_DEPENDENCIES = host-pkgconf host-libusb
+LIBUSB_COMPAT_INSTALL_STAGING = YES
+LIBUSB_COMPAT_CONFIG_SCRIPTS = libusb-config
+LIBUSB_COMPAT_LICENSE = LGPL-2.1+
+LIBUSB_COMPAT_LICENSE_FILES = COPYING
+
+ifeq ($(BR2_STATIC_LIBS),)
+LIBUSB_COMPAT_CONF_ENV += \
+	LIBUSB_1_0_SONAME=`LC_ALL=C readelf -d $(STAGING_DIR)/usr/lib/libusb-1.0.so \
+			   |sed -r -e '/\(SONAME\)/!d; s/.*\[(.+)\]$$/\1/'`
+endif
+
+$(eval $(autotools-package))
+$(eval $(host-autotools-package))