initial buildroot for linux 5.15

package/gzip/Config.in

@@ -0,0 +1,13 @@
+config BR2_PACKAGE_GZIP
+	bool "gzip"
+	depends on BR2_USE_WCHAR
+	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
+	help
+	  Standard GNU compressor. Provides things like gzip,
+	  gunzip, gzcat, etc...
+
+	  http://www.gnu.org/software/gzip/gzip.html
+
+comment "gzip needs a toolchain w/ wchar"
+	depends on !BR2_USE_WCHAR
+	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS

package/gzip/gzip.hash

@@ -0,0 +1,6 @@
+# Locally calculated after checking pgp signature
+# https://ftp.gnu.org/gnu/gzip/gzip-1.10.tar.xz.sig
+# using key 155D3FC500C834486D1EEA677FD9FCCB000BEEEE
+sha256 8425ccac99872d544d4310305f915f5ea81e04d0f437ef1a230dc9d1c819d7c0  gzip-1.10.tar.xz
+# Locally calculated
+sha256 8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  COPYING

package/gzip/gzip.mk

@@ -0,0 +1,26 @@
+################################################################################
+#
+# gzip
+#
+################################################################################
+
+GZIP_VERSION = 1.10
+GZIP_SOURCE = gzip-$(GZIP_VERSION).tar.xz
+GZIP_SITE = $(BR2_GNU_MIRROR)/gzip
+# Some other tools expect it to be in /bin
+GZIP_CONF_OPTS = --exec-prefix=/
+GZIP_LICENSE = GPL-3.0+
+GZIP_LICENSE_FILES = COPYING
+GZIP_CPE_ID_VENDOR = gnu
+GZIP_CONF_ENV += gl_cv_func_fflush_stdin=yes
+HOST_GZIP_CONF_ENV += gl_cv_func_fflush_stdin=yes
+# configure substitutes $(SHELL) for the shell shebang in scripts like
+# gzexe. Unfortunately, the same $(SHELL) variable will also be used by
+# make to run its commands. Fortunately, /bin/sh is always a POSIX shell
+# on both the target and host systems that we support. Even with this,
+# the configure check is slightly broken and prints a bogus warning:
+#  "using /bin/sh, even though it may have file descriptor bugs"
+GZIP_CONF_ENV += ac_cv_path_shell=/bin/sh
+
+$(eval $(autotools-package))
+$(eval $(host-autotools-package))