bin/local.mk

   1 # Make Autoconf commands.
   2
   3 # Copyright (C) 1999-2007, 2009-2017 Free Software Foundation, Inc.
   4
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  17
  18 bin_SCRIPTS = \
  19   bin/autoconf \
  20   bin/autoheader \
  21   bin/autom4te \
  22   bin/autoreconf \
  23   bin/autoscan \
  24   bin/autoupdate \
  25   bin/ifnames
  26
  27 EXTRA_DIST += \
  28   bin/autoconf.as \
  29   bin/autoheader.in \
  30   bin/autom4te.in \
  31   bin/autoreconf.in \
  32   bin/autoscan.in \
  33   bin/autoupdate.in \
  34   bin/ifnames.in
  35
  36 # Files that should be removed, but which Automake does not know.
  37 MOSTLYCLEANFILES += $(bin_SCRIPTS) bin/autoconf.in bin/*.tmp
  38
  39 ## ------------- ##
  40 ## The scripts.  ##
  41 ## ------------- ##
  42
  43 # autoconf is written in M4sh.
  44 # FIXME: this target should depend on the frozen files below lib/m4sugar,
  45 # otherwise autom4te may pick up a frozen m4sh.m4f from an earlier
  46 # installation below the same $(prefix); work around this with --melt.
  47 bin/autoconf.in: $(srcdir)/bin/autoconf.as $(m4sh_m4f_dependencies)
  48         $(MY_AUTOM4TE) --language M4sh --cache '' \
  49           --melt $(srcdir)/bin/autoconf.as -o $@
  50
  51 ## All the scripts depend on Makefile so that they are rebuilt when the
  52 ## prefix etc. changes.  It took quite a while to have the rule correct,
  53 ## don't break it!
  54 ## Use chmod -w to prevent people from editing the wrong file by accident.
  55 $(bin_SCRIPTS): Makefile
  56         rm -f $@ $@.tmp
  57         $(MKDIR_P) $(@D)
  58         srcdir=''; \
  59           test -f ./$@.in || srcdir=$(srcdir)/; \
  60           $(edit) $${srcdir}$@.in >$@.tmp
  61         chmod +x $@.tmp
  62         chmod a-w $@.tmp
  63         mv $@.tmp $@
  64
  65 bin/autoconf: bin/autoconf.in
  66 bin/autoheader: $(srcdir)/bin/autoheader.in
  67 bin/autom4te: $(srcdir)/bin/autom4te.in
  68 bin/autoreconf: $(srcdir)/bin/autoreconf.in
  69 bin/autoscan: $(srcdir)/bin/autoscan.in
  70 bin/autoupdate: $(srcdir)/bin/autoupdate.in
  71 bin/ifnames: $(srcdir)/bin/ifnames.in
  72
  73
  74 ## --------------- ##
  75 ## Building TAGS.  ##
  76 ## --------------- ##
  77
  78 TAGS_DEPENDENCIES = $(EXTRA_DIST)
  79
  80 letters = abcdefghijklmnopqrstuvwxyz
  81 LETTERS = ABCDEFGHIJKLMNOPQRSTUVWXYZ
  82 DIGITS = 0123456789
  83 WORD_REGEXP = [$(LETTERS)$(letters)_][$(LETTERS)$(letters)$(DIGITS)_]*
  84 ETAGS_PERL = --lang=perl \
  85   bin/autoheader.in \
  86   bin/autoreconf.in \
  87   bin/autoupdate.in \
  88   bin/autoscan.in \
  89   bin/autom4te.in \
  90   bin/ifnames.in
  91 ETAGS_SH = --lang=none --regex='/\($(WORD_REGEXP)\)=/\1/' \
  92   bin/autoconf.in
  93
  94 ETAGS_ARGS += $(ETAGS_PERL) $(ETAGS_SH)