initial buildroot for linux 5.15

package/lksctp-tools/Config.in

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+config BR2_PACKAGE_LKSCTP_TOOLS
+	bool "lksctp-tools"
+	depends on BR2_USE_MMU # fork()
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_STATIC_LIBS # dlopen()
+	help
+	  The lksctp-tools project provides a Linux user space library
+	  for SCTP (libsctp) including C language header files
+	  (netinet/sctp.h) for accessing SCTP specific application
+	  programming interfaces not provided by the standard sockets,
+	  and also some helper utilities around SCTP.
+
+	  http://lksctp.sourceforge.net/
+
+comment "lksctp-tools needs a toolchain w/ threads, dynamic library"
+	depends on BR2_USE_MMU
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS

package/lksctp-tools/lksctp-tools.hash

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+# From https://sourceforge.net/projects/lksctp/files/lksctp-tools/
+md5	68e9b8fa4d4e331029b247b72d46d7a5	lksctp-tools-1.0.17.tar.gz
+sha1	941b0b5c39e364a971f514bba66120435660e518	lksctp-tools-1.0.17.tar.gz
+# Locally computed
+sha256  dee5f35e583183abb9212938643ecb2d858fd89e2e286f4b1d903f65d49d6c76  COPYING.lib
+sha256  cc2a6651c315b233ebc110b49ea3c6452eff9a28f8bc051ffd2bb92a8dcfa3d2  COPYING

package/lksctp-tools/lksctp-tools.mk

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+################################################################################
+#
+# lksctp-tools
+#
+################################################################################
+
+LKSCTP_TOOLS_VERSION = 1.0.17
+LKSCTP_TOOLS_SITE = http://downloads.sourceforge.net/project/lksctp/lksctp-tools
+LKSCTP_TOOLS_INSTALL_STAGING = YES
+# configure not shipped
+LKSCTP_TOOLS_AUTORECONF = YES
+LKSCTP_TOOLS_LICENSE = LGPL-2.1 (library), GPL-2.0+ (programs)
+LKSCTP_TOOLS_LICENSE_FILES = COPYING.lib COPYING
+LKSCTP_TOOLS_CONF_OPTS = --disable-tests
+
+# Cleanup installed target source code
+define LKSCTP_TOOLS_CLEANUP_TARGET
+	rm -rf $(TARGET_DIR)/usr/share/lksctp-tools
+endef
+LKSCTP_TOOLS_POST_INSTALL_TARGET_HOOKS += LKSCTP_TOOLS_CLEANUP_TARGET
+
+$(eval $(autotools-package))