| 1 | ## Freeze M4 files.
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| 2 |
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| 3 | ## Copyright (C) 2002, 2004, 2006 Free Software Foundation, Inc.
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| 4 | ##
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| 5 | ## This program is free software; you can redistribute it and/or modify
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| 6 | ## it under the terms of the GNU General Public License as published by
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| 7 | ## the Free Software Foundation; either version 2, or (at your option)
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| 8 | ## any later version.
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| 9 | ##
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| 10 | ## This program is distributed in the hope that it will be useful,
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| 11 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | ## GNU General Public License for more details.
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| 14 | ##
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| 15 | ## You should have received a copy of the GNU General Public License
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| 16 | ## along with this program; if not, write to the Free Software
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| 17 | ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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| 18 | ## 02110-1301, USA.
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| 19 |
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| 20 |
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| 21 | ## ----------------- ##
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| 22 | ## Freeze M4 files. ##
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| 23 | ## ----------------- ##
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| 24 |
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| 25 | SUFFIXES = .m4 .m4f
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| 26 |
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| 27 | AUTOM4TE_CFG = $(top_builddir)/lib/autom4te.cfg
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| 28 | $(AUTOM4TE_CFG): $(top_srcdir)/lib/autom4te.in
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| 29 | cd $(top_builddir)/lib && $(MAKE) $(AM_MAKEFLAGS) autom4te.cfg
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| 30 |
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| 31 | # Do not use AUTOM4TE here, since Makefile.maint (my-distcheck)
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| 32 | # checks if we are independent of Autoconf by defining AUTOM4TE (and
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| 33 | # others) to `false'. Autoconf provides autom4te, so that doesn't
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| 34 | # apply to us.
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| 35 | MY_AUTOM4TE = \
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| 36 | autom4te_perllibdir='$(top_srcdir)'/lib \
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| 37 | AUTOM4TE_CFG='$(AUTOM4TE_CFG)' $(top_builddir)/bin/autom4te \
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| 38 | -B '$(top_builddir)'/lib -B '$(top_srcdir)'/lib # keep ` '
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| 39 |
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| 40 | # When processing the file with diversion disabled, there must be no
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| 41 | # output but comments and empty lines.
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| 42 | # If freezing produces output, something went wrong: a bad `divert',
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| 43 | # or an improper paren etc.
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| 44 | # It may happen that the output does not end with an end of line, hence
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| 45 | # force an end of line when reporting errors.
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| 46 | .m4.m4f:
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| 47 | $(MY_AUTOM4TE) \
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| 48 | --language=$* \
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| 49 | --freeze \
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| 50 | --output=$@
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| 51 |
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| 52 | # Factor the dependencies between all the frozen files.
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| 53 | # Some day we should explain to Automake how to use autom4te to compute
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| 54 | # the dependencies...
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| 55 | src_libdir = $(top_srcdir)/lib
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| 56 | build_libdir = $(top_builddir)/lib
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| 57 |
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| 58 | m4f_dependencies = $(top_builddir)/bin/autom4te $(AUTOM4TE_CFG)
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| 59 |
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| 60 | # For parallel builds.
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| 61 | $(build_libdir)/m4sugar/version.m4:
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| 62 | cd $(build_libdir)/m4sugar && $(MAKE) $(AM_MAKEFLAGS) version.m4
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| 63 |
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| 64 | m4sugar_m4f_dependencies = \
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| 65 | $(m4f_dependencies) \
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| 66 | $(src_libdir)/m4sugar/m4sugar.m4 \
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| 67 | $(build_libdir)/m4sugar/version.m4
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| 68 |
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| 69 | m4sh_m4f_dependencies = \
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| 70 | $(m4sugar_m4f_dependencies) \
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| 71 | $(src_libdir)/m4sugar/m4sh.m4
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| 72 |
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| 73 | autotest_m4f_dependencies = \
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| 74 | $(m4sh_m4f_dependencies) \
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| 75 | $(src_libdir)/autotest/autotest.m4 \
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| 76 | $(src_libdir)/autotest/general.m4
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| 77 |
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| 78 | autoconf_m4f_dependencies = \
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| 79 | $(m4sh_m4f_dependencies) \
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| 80 | $(src_libdir)/autoconf/autoscan.m4 \
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| 81 | $(src_libdir)/autoconf/general.m4 \
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| 82 | $(src_libdir)/autoconf/autoheader.m4 \
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| 83 | $(src_libdir)/autoconf/autoupdate.m4 \
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| 84 | $(src_libdir)/autoconf/autotest.m4 \
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| 85 | $(src_libdir)/autoconf/status.m4 \
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| 86 | $(src_libdir)/autoconf/oldnames.m4 \
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| 87 | $(src_libdir)/autoconf/specific.m4 \
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| 88 | $(src_libdir)/autoconf/lang.m4 \
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| 89 | $(src_libdir)/autoconf/c.m4 \
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| 90 | $(src_libdir)/autoconf/fortran.m4 \
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| 91 | $(src_libdir)/autoconf/erlang.m4 \
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| 92 | $(src_libdir)/autoconf/functions.m4 \
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| 93 | $(src_libdir)/autoconf/headers.m4 \
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| 94 | $(src_libdir)/autoconf/types.m4 \
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| 95 | $(src_libdir)/autoconf/libs.m4 \
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| 96 | $(src_libdir)/autoconf/programs.m4 \
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| 97 | $(src_libdir)/autoconf/autoconf.m4
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| 98 |
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| 99 |
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| 100 | ## --------------------------- ##
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| 101 | ## Run ETAGS on some M4 code. ##
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| 102 | ## --------------------------- ##
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| 103 |
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| 104 | ETAGS_FOR_M4 = \
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| 105 | --lang=none \
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| 106 | --regex='/\(m4_define\|define\)(\[\([^]]*\)\]/\2/'
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| 107 |
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| 108 | ETAGS_FOR_M4SUGAR = \
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| 109 | $(ETAGS_FOR_M4) \
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| 110 | --regex='/m4_defun(\[\([^]]*\)\]/\1/'
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| 111 |
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| 112 | ETAGS_FOR_AUTOCONF = \
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| 113 | $(ETAGS_FOR_M4SUGAR) \
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| 114 | --regex='/\(A[CU]_DEFUN\|AU_ALIAS\)(\[\([^]]*\)\]/\2/' \
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| 115 | --regex='/AN_\(FUNCTION\|HEADER\|IDENTIFIER\|LIBRARY\|MAKEVAR\|PROGRAM\)(\[\([^]]*\)\]/\2/'
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| 116 |
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| 117 |
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| 118 | ## ---------- ##
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| 119 | ## Run GREP. ##
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| 120 | ## ---------- ##
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| 121 |
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| 122 | GREP = @GREP@
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| 123 |
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| 124 |
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| 125 | ## -------------------------------- ##
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| 126 | ## Looking for forbidden patterns. ##
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| 127 | ## -------------------------------- ##
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| 128 |
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| 129 | check-forbidden-patterns:
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| 130 | @if (cd $(srcdir) && \
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| 131 | $(GREP) $(forbidden_patterns) $(forbidden_patterns_files)) \
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| 132 | >forbidden.log; then \
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| 133 | echo "ERROR: forbidden patterns were found:" >&2; \
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| 134 | sed "s,^,$*.m4: ," <forbidden.log >&2; \
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| 135 | echo >&2; \
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| 136 | exit 1; \
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| 137 | else \
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| 138 | rm -f forbidden.log; \
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| 139 | fi
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