initial buildroot for linux 5.15

package/atftp/Config.in

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+config BR2_PACKAGE_ATFTP
+	bool "atftp"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	help
+	  atftp is a client/server implementation of the TFTP
+	  protocol that implements RFCs 1350, 2090, 2347, 2348,
+	  and 2349. The server is multi-threaded and the client
+	  presents a friendly interface using libreadline
+	  (if enabled).
+
+	  http://sourceforge.net/projects/atftp/
+
+comment "atftp needs a toolchain w/ threads"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS

package/atftp/atftp.hash

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+# Locally computed
+sha256  93c87a4fb18218414e008e01c995dadd231ba4c752d0f894b34416d1e6d3038a  atftp-0.7.5.tar.gz
+sha256  86dc744860e6dfacfeba2f33fea908db03fe67c7e37a878285b7aae8e4596735  LICENSE

package/atftp/atftp.mk

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+################################################################################
+#
+# atftp
+#
+################################################################################
+
+ATFTP_VERSION = 0.7.5
+ATFTP_SITE = http://sourceforge.net/projects/atftp/files
+ATFTP_LICENSE = GPL-2.0+
+ATFTP_LICENSE_FILES = LICENSE
+ATFTP_CPE_ID_VENDOR = atftp_project
+ATFTP_SELINUX_MODULES = tftp
+ATFTP_CONF_OPTS = --disable-libwrap --disable-mtftp
+# For static we need to explicitly link against libpthread
+ATFTP_LIBS = -lpthread
+# -fgnu89-inline is needed to avoid multiple definition error with gcc 5. See
+# https://gcc.gnu.org/gcc-5/porting_to.html.
+ATFTP_CONF_ENV = LIBS="$(ATFTP_LIBS)" \
+	CFLAGS="$(TARGET_CFLAGS) -fgnu89-inline"
+
+ifeq ($(BR2_PACKAGE_READLINE),y)
+ATFTP_DEPENDENCIES += readline
+ATFTP_CONF_OPTS += --enable-libreadline
+# For static, readline links with ncurses
+ATFTP_LIBS += -lncurses
+else
+ATFTP_CONF_OPTS += --disable-libreadline
+endif
+
+ifeq ($(BR2_PACKAGE_PCRE),y)
+ATFTP_DEPENDENCIES += pcre
+ATFTP_CONF_OPTS += --enable-libpcre
+else
+ATFTP_CONF_OPTS += --disable-libpcre
+endif
+
+$(eval $(autotools-package))