mk/Makefile

   1 SHELL := /bin/bash
   2 RUNDIR := $(CURDIR)
   3 ifndef TOP
   4 TOP := $(shell \
   5        top=$(RUNDIR); \
   6        while [ ! -r "$$top/Rules.top" ] && [ "$$top" != "" ]; do \
   7            top=$${top%/*}; \
   8        done; \
   9        echo $$top)
  10 endif
  11
  12 MK := $(TOP)/mk
  13
  14 .PHONY: dir tree all clean clean_all clean_tree dist_clean
  15
  16 # Default target when nothing is given on the command line.  Reasonable
  17 # options are:
  18 # "dir"  - updates only targets from current directory and its dependencies
  19 # "tree" - updates targets (and their dependencies) in whole subtree
  20 #          starting at current directory
  21 # "all"  - updates all targets in the project
  22 .DEFAULT_GOAL := dir
  23
  24 dir : dir_$(RUNDIR)
  25 tree : tree_$(RUNDIR)
  26
  27 clean : clean_$(RUNDIR)
  28 clean_tree : clean_tree_$(RUNDIR)
  29
  30 # $(d) keeps the path of "current" directory during tree traversal and
  31 # $(dir_stack) is used for backtracking during traversal
  32 d := $(TOP)
  33 dir_stack :=
  34
  35 include $(MK)/header.mk
  36 include $(MK)/footer.mk
  37
  38 # Automatic inclusion of the skel.mk at the top level - that way
  39 # Rules.top has exactly the same structure as other Rules.mk
  40 include $(MK)/skel.mk
  41
  42 .SECONDEXPANSION:
  43 $(eval $(value HEADER))
  44 include $(TOP)/Rules.top
  45 $(eval $(value FOOTER))
  46
  47 # Optional final makefile where you can specify additional targets
  48 -include $(TOP)/final.mk
  49
  50 # This is just a convenience - to let you know when make has stopped
  51 # interpreting make files and started their execution.
  52 $(info Rules generated $(if $(BUILD_MODE),for "$(BUILD_MODE)" mode,)...)