chiark - git - mdw - distorted-dkim/blob - Makefile

   1 ### -*-makefile-*-
   2
   3 ###--------------------------------------------------------------------------
   4 ### User-serviceable parts.
   5
   6 ## Source directory.
   7 srcdir                  := $(dir $(lastword $(MAKEFILE_LIST)))
   8
   9 ## Installation directories.
  10 prefix                   = /usr/local
  11 exec_prefix              = ${prefix}
  12 bindir                   = ${exec_prefix}/bin
  13 datadir                  = ${prefix}/share
  14 mandir                   = ${datadir}/man
  15 man1dir                  = ${mandir}/man1
  16
  17 ## User configuration.
  18 -include config.mk
  19
  20 ###--------------------------------------------------------------------------
  21 ### Machinery.
  22
  23 ## Preliminaries.
  24 all:
  25 clean::
  26 .PHONY: all clean
  27 .SECONDEXPANSION:
  28
  29 force:
  30 .PHONY: force
  31
  32 VPATH                    = $(srcdir)
  33
  34 ## Layout.
  35 INSTDIRS                 =
  36
  37 INSTDIRS                += bin
  38 bin_FILES                =
  39 bin_INSTCMD              = install -t$(bindir) -m755
  40
  41 INSTDIRS                += man1
  42 man1_FILES               =
  43 man1_INSTCMD             = install -t$(man1dir) -m644
  44
  45 ## Version number.
  46 VERSION                 := $(shell git describe --always --abbrev=4 --dirty=+)
  47 -include version-stamp.mk
  48 ifneq ($(VERSION),$(OLD_VERSION))
  49   FORCE_VERSION          = force
  50 else
  51   FORCE_VERSION          =
  52 endif
  53 version-stamp.mk: $(FORCE_VERSION)
  54         echo "OLD_VERSION = $(VERSION)" >$@.new && mv $@.new $@
  55 clean::; rm version-stamp.mk
  56
  57 ## The main program.
  58 bin_FILES               += dkim-keys
  59 dkim-keys: dkim-keys.in version-stamp.mk
  60         sed 's/@VERSION@/$(VERSION)/g' $< >$@.new && \
  61                 chmod +x $@.new && mv $@.new $@
  62
  63 ## The manual.
  64 man1_FILES              += dkim-keys.1
  65 dkim-keys.1: dkim-keys.in version-stamp.mk
  66         pod2man -s1 -dkim-keys -r"$(VERSION)" \
  67                          -c"distorted.org.uk utilities" \
  68                         $< >$@.new && \
  69                 mv $@.new $@
  70
  71 ## Building.
  72 TARGETS                  = $(foreach d,$(INSTDIRS), $($d_FILES))
  73 all: $(TARGETS)
  74 clean::; rm -f $(TARGETS)
  75
  76 ## Installation.
  77 %/:; install -d $@
  78
  79 INSTALLS                 = $(addprefix install/, $(INSTDIRS))
  80 install: $(INSTALLS)
  81 $(INSTALLS): install/%: $$($$*_FILES) | $$($$*dir)/
  82         $($*_INSTCMD) $+
  83
  84 UNINSTALLS               = $(addprefix uninstall/, $(INSTDIRS))
  85 uninstall: $(UNINSTALLS)
  86 $(UNINSTALLS): uninstall/%:
  87         rm -f $(addprefix $($*dir)/,$($*_FILES))
  88 .PHONY: install $(INSTALLS) uninstall $(UNINSTALLS)