Makefile

   1 #       $NetBSD: Makefile,v 1.31 2021/01/02 03:21:39 nat Exp $
   2 #       @(#)Makefile    8.3 (Berkeley) 7/24/94
   3
   4 SUBDIR= adventure arithmetic atc \
   5         backgammon banner battlestar bcd boggle \
   6         caesar canfield cgram ching colorbars countmail cribbage \
   7         dm factor fish gomoku \
   8         hack hals_end hangman hunt larn mille monop morse number \
   9         phantasia pig pom ppt primes quiz \
  10         rain random robots rogue sail snake testpat tetris trek \
  11         wargames warp worm worms wtf wump
  12 TOPTARGETS= all clean install
  13
  14 PREFIX        ?= /usr
  15 LOCALSTATEDIR ?= /var
  16 SYSCONFDIR    ?= /etc
  17 ROOT          := $(shell pwd)
  18
  19 export ROOT PREFIX LOCALSTATEDIR SYSCONFDIR
  20
  21 $(TOPTARGETS): $(SUBDIR)
  22
  23 $(SUBDIR): config.h
  24         +$(MAKE) -C $@ $(MAKECMDGOALS)
  25
  26 config.h:
  27         @echo "#define PREFIX \"$(PREFIX)\"" > config.h
  28         @echo "#define LOCALSTATEDIR \"$(LOCALSTATEDIR)\"" >> config.h
  29         @echo "#define SYSCONFDIR \"$(SYSCONFDIR)\"" >> config.h
  30
  31 clean:
  32         rm -f config.h
  33
  34 .PHONY: $(TOPTARGETS) $(SUBDIR)