Top level Makefile Upgraded

The top level makefile now handles the building of nuklear.h, docs, and
demos.

Doing this, not only provides a more familar interface for C
programmers, but allows the build system to become simplified. Using
`make` can take advantage of multiple processes and threading. Next up
in the line will be updating the workflow to take advantage of these
properties.

Makefile

@@ -1,36 +1,90 @@
 
-docs_path:=./doc
-doxyfile:=$(docs_path)/Doxyfile
+######################################################################################
+##  								 SETTINGS                                       ##
+######################################################################################
 
+## path stuff
+DOCS_PATH:=./doc
+DEMO_PATH=demo
+SRC_PATH=src
 
 
-.PHONY: usage
+## Documents settings
+DOXYFILE:=$(DOCS_PATH)/Doxyfile
+
+
+## HEADER file packing settings
+## note: source file paths are prefixed later, no need to add prefix here; just
+## give it the name.
+MACRO = NK
+INTRO =  HEADER.md
+PUB = nuklear.h
+OUTPUT = nuklear.h
+
+PRIV1 = nuklear_internal.h nuklear_math.c nuklear_util.c nuklear_color.c nuklear_utf8.c nuklear_buffer.c nuklear_string.c nuklear_draw.c nuklear_vertex.c 
+
+EXTERN =  stb_rect_pack.h stb_truetype.h 
+
+PRIV2 = nuklear_font.c nuklear_input.c nuklear_style.c nuklear_context.c nuklear_pool.c nuklear_page_element.c nuklear_table.c nuklear_panel.c nuklear_window.c nuklear_popup.c nuklear_contextual.c nuklear_menu.c nuklear_layout.c nuklear_tree.c nuklear_group.c nuklear_list_view.c nuklear_widget.c nuklear_text.c nuklear_image.c nuklear_9slice.c nuklear_button.c nuklear_toggle.c nuklear_selectable.c nuklear_slider.c nuklear_knob.c nuklear_progress.c nuklear_scrollbar.c nuklear_text_editor.c nuklear_edit.c nuklear_property.c nuklear_chart.c nuklear_color_picker.c nuklear_combo.c nuklear_tooltip.c
+
+OUTRO = LICENSE CHANGELOG CREDITS
+
+## Demo settings
+DEMO_LIST = $(shell find $(DEMO_PATH) -type f -name Makefile -printf "%h ")
+
+######################################################################################
+##  								 RECIPES                                        ##
+######################################################################################
+
+
+.PHONY: usage all demos $(DEMO_LIST)
 
 usage:
 	echo "make docs		to create documentation"
 	echo "make nuke		to rebuild the single header nuklear.h from source"
+	echo "make demos	to build all of the demos
 	echo "make all 		to re-pack the header and create documentation"
-	echo "make install 	to "install" man files"
 
+all: docs nuke demos 
+demos: $(DEMO_LIST)
+
+
+########################################################################################
+##   Nuklear.h
 
-docs: $(docs_path)/html/index.html 
+nuke: $(addprefix $(SRC_PATH)/, $(SRC))
+	python3 $(SRC_PATH)/build.py --macro $(MACRO) --intro $(addprefix $(SRC_PATH)/, $(INTRO)) --pub $(addprefix $(SRC_PATH)/, $(PUB)) --priv1 "$(addprefix $(SRC_PATH)/, $(PRIV1))" --extern "$(addprefix $(SRC_PATH)/, $(EXTERN))" --priv2 "$(addprefix $(SRC_PATH)/, $(PRIV2))" --outro "$(addprefix $(SRC_PATH)/, $(OUTRO))" > $(OUTPUT)
 
-$(docs_path)/html/index.html: $(docs_path)/doxygen-awesome-css/doxygen-awesome.css $(doxyfile)
-	doxygen $(doxyfile)
 
-$(doxyfile):
+
+
+
+########################################################################################
+##   Docs
+
+docs: $(DOCS_PATH)/html/index.html 
+
+$(DOCS_PATH)/html/index.html: $(DOCS_PATH)/doxygen-awesome-css/doxygen-awesome.css $(DOXYFILE)
+	doxygen $(DOXYFILE)
+
+$(DOXYFILE):
 	doxygen -g $@
 
-$(docs_path)/doxygen-awesome-css/doxygen-awesome.css:
-	git clone https://github.com/jothepro/doxygen-awesome-css.git $(docs_path)/doxygen-awesome-css --branch v2.3.4
+$(DOCS_PATH)/doxygen-awesome-css/doxygen-awesome.css:
+	git clone https://github.com/jothepro/doxygen-awesome-css.git $(DOCS_PATH)/doxygen-awesome-css --branch v2.3.4
 
-nuke:
-	cd ./src && ./paq.sh
 
-all: docs nuke
 
-install:
+########################################################################################
+##   Demos
+
+$(DEMO_LIST):
+	$(MAKE) -C $@
+
 
-clean:
-	rm -rf $(docs_path)/html
 
+########################################################################################
+##   Utility helpers
+
+clean:
+	rm -rf $(DOCS_PATH)/html $(OUTPUT)