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[autoconf.git] / lib / freeze.mk
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1 # Freeze M4 files.
3 # Copyright (C) 2002, 2004, 2006-2011 Free Software Foundation, Inc.
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.
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.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 ## ----------------- ##
20 ## Freeze M4 files. ##
21 ## ----------------- ##
23 SUFFIXES = .m4 .m4f
25 AUTOM4TE_CFG = $(top_builddir)/lib/autom4te.cfg
26 $(AUTOM4TE_CFG): $(top_srcdir)/lib/autom4te.in
27 cd $(top_builddir)/lib && $(MAKE) $(AM_MAKEFLAGS) autom4te.cfg
29 # Do not use AUTOM4TE here, since maint.mk (my-distcheck)
30 # checks if we are independent of Autoconf by defining AUTOM4TE (and
31 # others) to `false'. Autoconf provides autom4te, so that doesn't
32 # apply to us.
33 MY_AUTOM4TE = \
34 autom4te_perllibdir='$(top_srcdir)'/lib \
35 AUTOM4TE_CFG='$(AUTOM4TE_CFG)' $(top_builddir)/bin/autom4te \
36 -B '$(top_builddir)'/lib -B '$(top_srcdir)'/lib # keep ` '
38 # When processing the file with diversion disabled, there must be no
39 # output but comments and empty lines.
40 # If freezing produces output, something went wrong: a bad `divert',
41 # or an improper paren etc.
42 # It may happen that the output does not end with an end of line, hence
43 # force an end of line when reporting errors.
44 .m4.m4f:
45 $(MY_AUTOM4TE) \
46 --language=$* \
47 --freeze \
48 --output=$@
50 # Factor the dependencies between all the frozen files.
51 # Some day we should explain to Automake how to use autom4te to compute
52 # the dependencies...
53 src_libdir = $(top_srcdir)/lib
54 build_libdir = $(top_builddir)/lib
56 m4f_dependencies = $(top_builddir)/bin/autom4te $(AUTOM4TE_CFG)
58 # For parallel builds.
59 $(build_libdir)/m4sugar/version.m4:
60 cd $(build_libdir)/m4sugar && $(MAKE) $(AM_MAKEFLAGS) version.m4
62 m4sugar_m4f_dependencies = \
63 $(m4f_dependencies) \
64 $(src_libdir)/m4sugar/m4sugar.m4 \
65 $(build_libdir)/m4sugar/version.m4
67 m4sh_m4f_dependencies = \
68 $(m4sugar_m4f_dependencies) \
69 $(src_libdir)/m4sugar/m4sh.m4
71 autotest_m4f_dependencies = \
72 $(m4sh_m4f_dependencies) \
73 $(src_libdir)/autotest/autotest.m4 \
74 $(src_libdir)/autotest/general.m4 \
75 $(src_libdir)/autotest/specific.m4
77 autoconf_m4f_dependencies = \
78 $(m4sh_m4f_dependencies) \
79 $(src_libdir)/autoconf/autoscan.m4 \
80 $(src_libdir)/autoconf/general.m4 \
81 $(src_libdir)/autoconf/autoheader.m4 \
82 $(src_libdir)/autoconf/autoupdate.m4 \
83 $(src_libdir)/autoconf/autotest.m4 \
84 $(src_libdir)/autoconf/status.m4 \
85 $(src_libdir)/autoconf/oldnames.m4 \
86 $(src_libdir)/autoconf/specific.m4 \
87 $(src_libdir)/autoconf/lang.m4 \
88 $(src_libdir)/autoconf/c.m4 \
89 $(src_libdir)/autoconf/fortran.m4 \
90 $(src_libdir)/autoconf/erlang.m4 \
91 $(src_libdir)/autoconf/functions.m4 \
92 $(src_libdir)/autoconf/headers.m4 \
93 $(src_libdir)/autoconf/types.m4 \
94 $(src_libdir)/autoconf/libs.m4 \
95 $(src_libdir)/autoconf/programs.m4 \
96 $(src_libdir)/autoconf/autoconf.m4
99 ## --------------------------- ##
100 ## Run ETAGS on some M4 code. ##
101 ## --------------------------- ##
103 ETAGS_FOR_M4 = \
104 --lang=none \
105 --regex='/\(m4_define\|define\)(\[\([^]]*\)\]/\2/'
107 ETAGS_FOR_M4SUGAR = \
108 $(ETAGS_FOR_M4) \
109 --regex='/m4_defun(\[\([^]]*\)\]/\1/'
111 ETAGS_FOR_AUTOCONF = \
112 $(ETAGS_FOR_M4SUGAR) \
113 --regex='/\(A[CU]_DEFUN\|AU_ALIAS\)(\[\([^]]*\)\]/\2/' \
114 --regex='/AN_\(FUNCTION\|HEADER\|IDENTIFIER\|LIBRARY\|MAKEVAR\|PROGRAM\)(\[\([^]]*\)\]/\2/'
117 ## -------------------------------- ##
118 ## Looking for forbidden patterns. ##
119 ## -------------------------------- ##
121 check-forbidden-patterns:
122 @if (cd $(srcdir) && \
123 $(GREP) $(forbidden_patterns) $(forbidden_patterns_files)) \
124 >forbidden.log; then \
125 echo "ERROR: forbidden patterns were found:" >&2; \
126 sed "s|^|$*.m4: |" <forbidden.log >&2; \
127 echo >&2; \
128 exit 1; \
129 else \
130 rm -f forbidden.log; \