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

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