1## Freeze M4 files. 2 3## Copyright (C) 2002, 2004, 2006 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 2, or (at your option) 8## 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, write to the Free Software 17## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18## 02110-1301, USA. 19 20 21## ----------------- ## 22## Freeze M4 files. ## 23## ----------------- ## 24 25SUFFIXES = .m4 .m4f 26 27AUTOM4TE_CFG = $(top_builddir)/lib/autom4te.cfg 28$(AUTOM4TE_CFG): $(top_srcdir)/lib/autom4te.in 29 cd $(top_builddir)/lib && $(MAKE) $(AM_MAKEFLAGS) autom4te.cfg 30 31# Do not use AUTOM4TE here, since Makefile.maint (my-distcheck) 32# checks if we are independent of Autoconf by defining AUTOM4TE (and 33# others) to `false'. Autoconf provides autom4te, so that doesn't 34# apply to us. 35MY_AUTOM4TE = \ 36 autom4te_perllibdir='$(top_srcdir)'/lib \ 37 AUTOM4TE_CFG='$(AUTOM4TE_CFG)' $(top_builddir)/bin/autom4te \ 38 -B '$(top_builddir)'/lib -B '$(top_srcdir)'/lib # keep ` ' 39 40# When processing the file with diversion disabled, there must be no 41# output but comments and empty lines. 42# If freezing produces output, something went wrong: a bad `divert', 43# or an improper paren etc. 44# It may happen that the output does not end with an end of line, hence 45# force an end of line when reporting errors. 46.m4.m4f: 47 $(MY_AUTOM4TE) \ 48 --language=$* \ 49 --freeze \ 50 --output=$@ 51 52# Factor the dependencies between all the frozen files. 53# Some day we should explain to Automake how to use autom4te to compute 54# the dependencies... 55src_libdir = $(top_srcdir)/lib 56build_libdir = $(top_builddir)/lib 57 58m4f_dependencies = $(top_builddir)/bin/autom4te $(AUTOM4TE_CFG) 59 60# For parallel builds. 61$(build_libdir)/m4sugar/version.m4: 62 cd $(build_libdir)/m4sugar && $(MAKE) $(AM_MAKEFLAGS) version.m4 63 64m4sugar_m4f_dependencies = \ 65 $(m4f_dependencies) \ 66 $(src_libdir)/m4sugar/m4sugar.m4 \ 67 $(build_libdir)/m4sugar/version.m4 68 69m4sh_m4f_dependencies = \ 70 $(m4sugar_m4f_dependencies) \ 71 $(src_libdir)/m4sugar/m4sh.m4 72 73autotest_m4f_dependencies = \ 74 $(m4sh_m4f_dependencies) \ 75 $(src_libdir)/autotest/autotest.m4 \ 76 $(src_libdir)/autotest/general.m4 77 78autoconf_m4f_dependencies = \ 79 $(m4sh_m4f_dependencies) \ 80 $(src_libdir)/autoconf/autoscan.m4 \ 81 $(src_libdir)/autoconf/general.m4 \ 82 $(src_libdir)/autoconf/autoheader.m4 \ 83 $(src_libdir)/autoconf/autoupdate.m4 \ 84 $(src_libdir)/autoconf/autotest.m4 \ 85 $(src_libdir)/autoconf/status.m4 \ 86 $(src_libdir)/autoconf/oldnames.m4 \ 87 $(src_libdir)/autoconf/specific.m4 \ 88 $(src_libdir)/autoconf/lang.m4 \ 89 $(src_libdir)/autoconf/c.m4 \ 90 $(src_libdir)/autoconf/fortran.m4 \ 91 $(src_libdir)/autoconf/erlang.m4 \ 92 $(src_libdir)/autoconf/functions.m4 \ 93 $(src_libdir)/autoconf/headers.m4 \ 94 $(src_libdir)/autoconf/types.m4 \ 95 $(src_libdir)/autoconf/libs.m4 \ 96 $(src_libdir)/autoconf/programs.m4 \ 97 $(src_libdir)/autoconf/autoconf.m4 98 99 100## --------------------------- ## 101## Run ETAGS on some M4 code. ## 102## --------------------------- ## 103 104ETAGS_FOR_M4 = \ 105 --lang=none \ 106 --regex='/\(m4_define\|define\)(\[\([^]]*\)\]/\2/' 107 108ETAGS_FOR_M4SUGAR = \ 109 $(ETAGS_FOR_M4) \ 110 --regex='/m4_defun(\[\([^]]*\)\]/\1/' 111 112ETAGS_FOR_AUTOCONF = \ 113 $(ETAGS_FOR_M4SUGAR) \ 114 --regex='/\(A[CU]_DEFUN\|AU_ALIAS\)(\[\([^]]*\)\]/\2/' \ 115 --regex='/AN_\(FUNCTION\|HEADER\|IDENTIFIER\|LIBRARY\|MAKEVAR\|PROGRAM\)(\[\([^]]*\)\]/\2/' 116 117 118## ---------- ## 119## Run GREP. ## 120## ---------- ## 121 122GREP = @GREP@ 123 124 125## -------------------------------- ## 126## Looking for forbidden patterns. ## 127## -------------------------------- ## 128 129check-forbidden-patterns: 130 @if (cd $(srcdir) && \ 131 $(GREP) $(forbidden_patterns) $(forbidden_patterns_files)) \ 132 >forbidden.log; then \ 133 echo "ERROR: forbidden patterns were found:" >&2; \ 134 sed "s,^,$*.m4: ," <forbidden.log >&2; \ 135 echo >&2; \ 136 exit 1; \ 137 else \ 138 rm -f forbidden.log; \ 139 fi 140