Makefile

   1 # Makefile - POSIX Makefile for TopGit
   2 # Copyright (C) 2017 Kyle J. McKay
   3 # All rights reserved
   4 # License GPL2
   5
   6 # Makefile drives the process
   7 # Makefile.sh provides POSIX sh support
   8 # Makefile.mak does the actual building
   9 # Makefile.mt always exists and is always empty (i.e. zero length)
  10
  11 .POSIX:
  12
  13 # Anything explicitly listed here will always avoid a bogus "up to date" result
  14 TARGETS = \
  15         all clean tg awk hooks helpers doc html \
  16         precheck TG-BUILD-SETTINGS settings \
  17         install install-doc install-html \
  18         tg--awksome tg-tg.txt topgit.html \
  19         shell_compatibility_test \
  20         bin-wrappers/tg bin-wrapper/pre-commit \
  21         test \
  22 #TARGETS
  23
  24 __default_target__: __file_which_should_not_exist
  25         +@set -- && set -ae && MAKE="$(MAKE)" && . ./Makefile.sh && $(MAKE) $${GNO_PD_OPT} -e -f Makefile.mak
  26
  27 .DEFAULT:
  28         +@set -- "$@" && set -ae && MAKE="$(MAKE)" && . ./Makefile.sh && $(MAKE) $${GNO_PD_OPT} -e -f Makefile.mak "$@"
  29
  30 target: __file_which_should_not_exist
  31         +@set -- $(TARGET) && set -ae && MAKE="$(MAKE)" && . ./Makefile.sh && $(MAKE) $${GNO_PD_OPT} -e -f Makefile.mak $(TARGET)
  32
  33 __any_target__ $(TARGETS): __file_which_should_not_exist
  34         +@set -- "$@" && set -ae && MAKE="$(MAKE)" && . ./Makefile.sh && $(MAKE) $${GNO_PD_OPT} -e -f Makefile.mak "$@"
  35
  36 # Very important rule to avoid "accidents" caused by Makefile.sh's existence
  37 # Some ridiculous "make" implementations will always implicitly "make Makefile"
  38 # even though .POSIX: has been specified and that's definitely NOT POSIX!
  39 Makefile:
  40         @true
  41
  42 .PRECIOUS:
  43
  44 # Clean out the standard six single suffix inference rules
  45 # Except for .sh (because it would then elicit a redefiniton warning)
  46 .SUFFIXES:
  47 .SUFFIXES: .c .sh .f .c˜ .sh˜ .f˜
  48 .c:;
  49 .f:;
  50 #.sh:;
  51 .c~:;
  52 .f~:;
  53 .sh~:;
  54 .SUFFIXES:
  55 .SUFFIXES: .sh .awk .txt .html
  56
  57 # These are imperfect because they don't really reflect the correct dependencies
  58 # Running the default "make" or "make all" will always get it right, but when
  59 # trying to make a specific target, these will often avoid the "up to date"
  60 # output that would otherwise occur for existing files with no dependencies
  61 .sh:
  62         +@set -- "$@" && set -ae && MAKE="$(MAKE)" && . ./Makefile.sh && $(MAKE) $${GNO_PD_OPT} -e -f Makefile.mak "$@"
  63 .awk:
  64         +@set -- "$@" && set -ae && MAKE="$(MAKE)" && . ./Makefile.sh && $(MAKE) $${GNO_PD_OPT} -e -f Makefile.mak "$@"
  65 .sh.txt:
  66         +@set -- "$@" && set -ae && MAKE="$(MAKE)" && . ./Makefile.sh && $(MAKE) $${GNO_PD_OPT} -e -f Makefile.mak "$@"
  67 .sh.html:
  68         +@set -- "$@" && set -ae && MAKE="$(MAKE)" && . ./Makefile.sh && $(MAKE) $${GNO_PD_OPT} -e -f Makefile.mak "$@"
  69
  70 # This "phony" target must have at least one command otherwise it will not
  71 # actually run anything and so will not actually trigger the rules that depend
  72 # on it to run either.  By using "true" instead of ":" "makes" that
  73 # short-circuit directly to execvp should be able to run "true" directly.
  74 __file_which_should_not_exist:
  75         -@true