Initial commit

target/sdk/files/Config.in

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+mainmenu "OpenWrt Configuration"
+
+menu "Global build settings"
+
+	config ALL_NONSHARED
+		bool "Select all target specific packages by default"
+		default ALL
+
+	config ALL_KMODS
+		bool "Select all kernel module packages by default"
+		default ALL
+
+	config ALL
+		bool "Select all userspace packages by default"
+		default y
+
+	config SIGNED_PACKAGES
+		bool "Cryptographically sign package lists"
+		default y
+
+	comment "General build options"
+
+	config BUILD_PATENTED
+		default n
+		bool "Compile with support for patented functionality"
+		help
+		  When this option is disabled, software which provides patented functionality
+		  will not be built.  In case software provides optional support for patented
+		  functionality, this optional support will get disabled for this package.
+
+	config BUILD_NLS
+		default n
+		bool "Compile with full language support"
+		help
+		  When this option is enabled, packages are built with the full versions of
+		  iconv and GNU gettext instead of the default OpenWrt stubs.
+
+	comment "Package build options"
+
+	config DEBUG
+		bool
+		prompt "Compile packages with debugging info"
+		help
+		  Adds -g3 to the CFLAGS.
+
+	comment "Stripping options"
+
+	choice
+		prompt "Binary stripping method"
+		default USE_STRIP   if USE_GLIBC
+		default USE_SSTRIP
+		help
+		  Select the binary stripping method you wish to use.
+
+		config NO_STRIP
+			bool "none"
+			help
+			  This will install unstripped binaries (useful for native
+			  compiling/debugging).
+
+		config USE_STRIP
+			bool "strip"
+			help
+			  This will install binaries stripped using strip from binutils.
+
+		config USE_SSTRIP
+			bool "sstrip"
+			depends on !USE_GLIBC
+			help
+			  This will install binaries stripped using sstrip.
+	endchoice
+
+	config STRIP_ARGS
+		string
+		prompt "Strip arguments"
+		depends on USE_STRIP
+		default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
+		default "--strip-all"
+		help
+		  Specifies arguments passed to the strip command when stripping binaries.
+
+endmenu
+
+menu "Advanced configuration options (for developers)"
+
+	config BROKEN
+		bool "Show broken packages"
+
+	config DOWNLOAD_FOLDER
+		string "Download folder"
+		default ""
+		help
+		  Store downloaded source bundles in this directory.
+		  If not set then defaults to './dl', which is removed by operations such as
+		  'git clean -xdf' or 'make distclean'.
+		  This option is useful if you have a low bandwidth Internet connection, and by
+		  setting a path outside the OpenWrt tree downloads will be saved.
+
+	config LOCALMIRROR
+		string "Local mirror for source packages"
+		default ""
+
+	config AUTOREBUILD
+		bool "Automatic rebuild of packages"
+		default y
+		help
+		  Automatically rebuild packages when their files change.
+
+	config AUTOREMOVE
+		bool "Automatic removal of build directories"
+		default y
+		help
+		  Automatically delete build directories after make target completed.
+		  This allows you to symlink build_dir into a scratch location, e.g. a ramdisk,
+		  which does not have enough space to keep a complete build_dir.
+
+	config CCACHE
+		bool "Use ccache"
+		help
+		  Compiler cache; see https://ccache.samba.org/
+
+	config CCACHE_DIR
+		string "Set ccache directory" if CCACHE
+		default ""
+		help
+		  Store ccache in this directory.
+		  If not set, uses './.ccache'
+
+	config BUILD_LOG
+		bool "Enable log files during build process"
+		help
+		  If enabled, log files will be written to the ./log directory.
+
+	config SRC_TREE_OVERRIDE
+		bool "Enable package source tree override"
+		help
+		  If enabled, you can force a package to use a git tree as source
+		  code instead of the normal tarball. Create a symlink 'git-src'
+		  in the package directory, pointing to the .git tree that you want
+		  to pull the source code from.
+
+endmenu
+
+config IN_SDK
+	default y
+	bool
+
+config MODULES
+	bool
+	default y
+	modules
+
+source "Config-build.in"
+source "tmp/.config-package.in"

target/sdk/files/Makefile

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+# Makefile for OpenWrt
+#
+# Copyright (C) 2007-2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+TOPDIR:=${CURDIR}
+LC_ALL:=C
+LANG:=C
+SDK:=1
+export TOPDIR LC_ALL LANG SDK
+
+world:
+
+DISTRO_PKG_CONFIG:=$(shell $(TOPDIR)/scripts/command_all.sh pkg-config | grep '/usr' -m 1)
+
+export ORIG_PATH:=$(if $(ORIG_PATH),$(ORIG_PATH),$(PATH))
+export PATH:=$(TOPDIR)/staging_dir/host/bin:$(PATH)
+
+ifneq ($(OPENWRT_BUILD),1)
+  override OPENWRT_BUILD=1
+  export OPENWRT_BUILD
+
+  empty:=
+  space:= $(empty) $(empty)
+  _SINGLE=export MAKEFLAGS=$(space);
+
+  include $(TOPDIR)/include/debug.mk
+  include $(TOPDIR)/include/depends.mk
+  include $(TOPDIR)/include/toplevel.mk
+else
+  include rules.mk
+  include $(INCLUDE_DIR)/depends.mk
+  include $(INCLUDE_DIR)/subdir.mk
+  include package/Makefile
+
+$(package/stamp-compile): $(BUILD_DIR)/.prepared
+$(BUILD_DIR)/.prepared: Makefile
+	@mkdir -p $$(dirname $@)
+	@touch $@
+
+clean: FORCE
+	git clean -f -d $(STAGING_DIR); true
+	git clean -f -d $(BUILD_DIR); true
+	git clean -f -d $(BIN_DIR); true
+
+dirclean: clean
+	git reset --hard HEAD
+	git clean -f -d
+	rm -rf feeds/
+
+# check prerequisites before starting to build
+prereq: $(package/stamp-prereq) ;
+
+world: prepare $(package/stamp-compile) FORCE
+	@$(MAKE) package/index
+
+.PHONY: clean dirclean prereq prepare world
+
+endif

target/sdk/files/README.md

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+This is the OpenWrt SDK. It contains a stripped-down version of
+the buildroot. You can use it to test/develop packages without
+having to compile your own toolchain or any of the libraries
+included with OpenWrt.
+
+To use it, just put your buildroot-compatible package directory
+(including its dependencies) in the subdir 'package/' and run
+'make' from this directory.
+
+To make dependency handling easier, you can use ./scripts/feeds
+to install any core package that you need

target/sdk/files/include/prepare.mk

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+#
+# Copyright (C) 2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+prepare: .git/config
+
+.git/config:
+	@( \
+		printf "Initializing SDK ... "; \
+		git init -q .; \
+		find . -mindepth 1 -maxdepth 1 -not -name feeds | xargs git add; \
+		git commit -q -m "Initial state"; \
+		echo "ok."; \
+	)