initial buildroot for linux 5.15

package/libbsd/Config.in

@@ -0,0 +1,28 @@
+config BR2_PACKAGE_LIBBSD_ARCH_SUPPORTS
+	bool
+	default y
+	# libbsd does not support those architectures (see src/local-elf.h)
+	depends on !BR2_microblaze
+	depends on !BR2_arc
+	depends on !BR2_xtensa
+	depends on !BR2_nds32
+
+config BR2_PACKAGE_LIBBSD
+	bool "libbsd"
+	depends on BR2_PACKAGE_LIBBSD_ARCH_SUPPORTS
+	depends on !BR2_STATIC_LIBS
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_WCHAR
+	help
+	  This library provides useful functions commonly found on BSD
+	  systems, and lacking on others like GNU systems, thus making
+	  it easier to port projects with strong BSD origins, without
+	  needing to embed the same code over and over again on each
+	  project.
+
+	  http://libbsd.freedesktop.org/
+
+comment "libbsd needs a toolchain w/ dynamic library, threads, wchar"
+	depends on BR2_PACKAGE_LIBBSD_ARCH_SUPPORTS
+	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS || \
+		!BR2_USE_WCHAR

package/libbsd/libbsd.hash

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+# From https://lists.freedesktop.org/archives/libbsd/2019-August/000229.html
+sha256	34b8adc726883d0e85b3118fa13605e179a62b31ba51f676136ecb2d0bc1a887	libbsd-0.10.0.tar.xz
+sha256	933d14a6bc89ee1fd7adbf5b6ec97f6ff0e002549d0b0c164f8a8895371d78f8	COPYING

package/libbsd/libbsd.mk

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+################################################################################
+#
+# libbsd
+#
+################################################################################
+
+LIBBSD_VERSION = 0.10.0
+LIBBSD_SOURCE = libbsd-$(LIBBSD_VERSION).tar.xz
+LIBBSD_SITE = https://libbsd.freedesktop.org/releases
+LIBBSD_LICENSE = BSD-2-Clause, BSD-3-Clause, BSD-4-Clause, BSD-5-Clause, \
+		MIT, ISC, Beerware
+LIBBSD_LICENSE_FILES = COPYING
+LIBBSD_CPE_ID_VENDOR = freedesktop
+LIBBSD_INSTALL_STAGING = YES
+
+$(eval $(autotools-package))