Add example package

package/dummy/Config.in

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_DUMMY
+	bool "dummy"
+	default n
+	help
+	  This is a dummy package to show how to integrate a new package into
+	  Buildroot. The syntax for this file is the default kbuild from the
+	  Linux kernel, more information at
+	  http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=tree;f=Documentation/kbuild

package/dummy/dummy.mk

@@ -0,0 +1,93 @@
+#############################################################
+#
+# dummy
+#
+#############################################################
+
+# Current version, use the latest unless there are any known issues.
+DUMMY_VERSION=1.2.3
+# The filename of the package to download.
+DUMMY_SOURCE=dummy-$(DUMMY_VERSION).tar.bz2
+# The site and path to where the source packages are.
+DUMMY_SITE=http://www.example.net/dummy/source
+# The directory which the source package is extracted to.
+DUMMY_DIR=$(BUILD_DIR)/dummy-$(DUMMY_VERSION)
+# Which decompression to use, BZCAT or ZCAT.
+DUMMY_CAT:=$(BZCAT)
+# Target binary for the package.
+DUMMY_BINARY:=dummy
+# Not really needed, but often handy define.
+DUMMY_TARGET_BINARY:=usr/bin/$(DUMMY_BINARY)
+
+# The download rule. Main purpose is to download the source package.
+$(DL_DIR)/$(DUMMY_SOURCE):
+	$(WGET) -P $(DL_DIR) $(DUMMY_SITE)/$(DUMMY_SOURCE)
+
+# The unpacking rule. Main purpose is to extract the source package, apply any
+# patches and update config.guess and config.sub.
+$(DUMMY_DIR)/.unpacked: $(DL_DIR)/$(DUMMY_SOURCE)
+	$(DUMMY_CAT) $(DL_DIR)/$(DUMMY_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	toolchain/patch-kernel.sh $(DUMMY_DIR) package/dummy/ dummy-$(DUMMY_VERSION)-\*.patch\*
+	$(CONFIG_UPDATE) $(DUMMY_DIR)
+	touch $@
+
+# The configure rule. Main purpose is to get the package ready for compilation,
+# usually by running the configure script with different kinds of options
+# specified.
+$(DUMMY_DIR)/.configured: $(DUMMY_DIR)/.unpacked
+	(cd $(DUMMY_DIR); rm -rf config.cache; \
+		$(TARGET_CONFIGURE_OPTS) \
+		$(TARGET_CONFIGURE_ARGS) \
+		./configure \
+		--target=$(GNU_TARGET_NAME) \
+		--host=$(GNU_TARGET_NAME) \
+		--build=$(GNU_HOST_NAME) \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		$(DISABLE_NLS) \
+		$(DISABLE_LARGEFILE) \
+	)
+	touch $@
+
+$(DUMMY_DIR)/$(DUMMY_BINARY): $(DUMMY_DIR)/.configured
+	$(MAKE) -C $(DUMMY_DIR)
+
+# The installing rule. Main purpose is to install the binary into the target
+# root directory and make sure it is stripped from debug symbols to reduce the
+# space requirements to a minimum.
+#
+# Only the files needed to run the application should be installed to the
+# target root directory, to not waste valuable flash space.
+$(TARGET_DIR)/$(DUMMY_TARGET_BINARY): $(DUMMY_DIR)/$(DUMMY_BINARY)
+	cp -dpf $(DUMMY_DIR)/dummy $@
+	$(STRIP) --strip-unneeded $@
+
+# Main rule which shows which other packages must be installed before the dummy
+# package is installed. This to ensure that all depending libraries are
+# installed.
+dummy:	uclibc $(TARGET_DIR)/$(DUMMY_TARGET_BINARY)
+
+# Source download rule. Main purpose to download the source package. Since some
+# people would like to work offline, it is mandotory to implement a rule which
+# downloads everything this package needs.
+dummy-source: $(DL_DIR)/$(DUMMY_SOURCE)
+
+# Clean rule. Main purpose is to clean the build directory, thus forcing a new
+# rebuild the next time Buildroot is made.
+dummy-clean:
+	-$(MAKE) -C $(DUMMY_DIR) clean
+
+# Directory clean rule. Main purpose is to remove the build directory, forcing
+# a new extraction, patching and rebuild the next time Buildroot is made.
+dummy-dirclean:
+	rm -rf $(DUMMY_DIR)
+
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+# This is how the dummy package is added to the list of rules to build.
+ifeq ($(strip $(BR2_PACKAGE_DUMMY)),y)
+TARGETS+=dummy
+endif