initial buildroot for linux 5.15

package/grep/Config.in

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+config BR2_PACKAGE_GREP
+	bool "grep"
+	depends on BR2_USE_WCHAR
+	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
+	help
+	  The GNU regular expression matcher.
+
+	  egrep/fgrep aliases need /bin/sh to be available.
+
+	  http://www.gnu.org/software/grep/grep.html
+
+comment "grep needs a toolchain w/ wchar"
+	depends on !BR2_USE_WCHAR
+	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS

package/grep/grep.hash

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+# Locally calculated after checking signature
+# http://ftp.gnu.org/gnu/grep/grep-3.6.tar.xz.sig
+# using key 155D3FC500C834486D1EEA677FD9FCCB000BEEEE
+sha256  667e15e8afe189e93f9f21a7cd3a7b3f776202f417330b248c2ad4f997d9373e  grep-3.6.tar.xz
+sha256  3972dc9744f6499f0f9b2dbf76696f2ae7ad8af9b23dde66d6af86c9dfb36986  COPYING

package/grep/grep.mk

@@ -0,0 +1,48 @@
+################################################################################
+#
+# grep
+#
+################################################################################
+
+GREP_VERSION = 3.6
+GREP_SITE = $(BR2_GNU_MIRROR)/grep
+GREP_SOURCE = grep-$(GREP_VERSION).tar.xz
+GREP_LICENSE = GPL-3.0+
+GREP_LICENSE_FILES = COPYING
+GREP_CPE_ID_VENDOR = gnu
+GREP_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES)
+# install into /bin like busybox grep
+GREP_CONF_OPTS = --exec-prefix=/
+
+ifeq ($(BR2_SYSTEM_BIN_SH_NONE),y)
+
+define GREP_REMOVE_ALIAS
+	$(RM) $(TARGET_DIR)/bin/[fe]grep
+endef
+GREP_POST_INSTALL_TARGET_HOOKS += GREP_REMOVE_ALIAS
+
+else
+
+# ensure egrep/fgrep shell wrappers use #!/bin/sh
+define GREP_FIXUP_SHEBANG
+	$(SED) 's/bash$$/sh/' $(TARGET_DIR)/bin/[fe]grep
+endef
+GREP_POST_INSTALL_TARGET_HOOKS += GREP_FIXUP_SHEBANG
+
+endif
+
+# link with iconv if enabled
+ifeq ($(BR2_PACKAGE_LIBICONV),y)
+GREP_CONF_ENV += LIBS=-liconv
+GREP_DEPENDENCIES += libiconv
+endif
+
+# link with pcre if enabled
+ifeq ($(BR2_PACKAGE_PCRE),y)
+GREP_CONF_OPTS += --enable-perl-regexp
+GREP_DEPENDENCIES += pcre
+else
+GREP_CONF_OPTS += --disable-perl-regexp
+endif
+
+$(eval $(autotools-package))