PKG_NAME = tlsf
  PKG_VERSION = 3.0
  PKG_FILE = tlsf-$(PKG_VERSION).zip
  PKG_URL = http://download.riot-os.org/$(PKG_FILE)
  PKG_DIR=$(CURDIR)
  PKG_BUILDDIR=$(BINDIRBASE)/pkg/$(BOARD)/$(PKG_NAME)
  PKG_SRCDIR=$(PKG_BUILDDIR)/src
  
  .PHONY: all clean distclean
  
  all: $(PKG_SRCDIR)/$(PKG_NAME).a
  
  $(PKG_SRCDIR)/$(PKG_NAME).a: $(PKG_SRCDIR)/Makefile
  	$(AD)make -C $(<D)
  
  $(PKG_SRCDIR)/Makefile: $(PKG_BUILDDIR)/$(PKG_FILE) $(CURDIR)/patch.txt
  	rm -rf $(@D)
  	mkdir -p $(@D)
  	$(AD)cd $(@D) && $(UNZIP_HERE) $(PKG_BUILDDIR)/$(PKG_FILE)
  	$(AD)cd $(@D) && patch --binary -p0 -N -i $(CURDIR)/patch.txt
  
  $(PKG_BUILDDIR)/$(PKG_FILE):
  	@mkdir -p $(@D)
  	$(AD)$(DOWNLOAD_TO_FILE) $@ $(PKG_URL)
  
  clean::
  	rm -rf $(PKG_SRCDIR)/
  
  distclean::
  	rm -rf $(PKG_BUILDDIR)/