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133 lines
4.1 KiB
Makefile
133 lines
4.1 KiB
Makefile
# Freeze M4 files.
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# Copyright (C) 2002, 2004, 2006-2017, 2020-2022 Free Software
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# Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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## ----------------- ##
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## Freeze M4 files. ##
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## ----------------- ##
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SUFFIXES += .m4 .m4f
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AUTOM4TE_CFG = lib/autom4te.cfg
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# Do not use AUTOM4TE here, since maint.mk (my-distcheck)
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# checks if we are independent of Autoconf by defining AUTOM4TE (and
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# others) to 'false'. Autoconf provides autom4te, so that doesn't
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# apply to us.
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MY_AUTOM4TE = \
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autom4te_perllibdir='$(top_srcdir)'/lib \
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AUTOM4TE_CFG='$(AUTOM4TE_CFG)' $(top_build_prefix)bin/autom4te \
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-B '$(top_build_prefix)'lib -B '$(top_srcdir)'/lib # keep ' '
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# When processing the file with diversion disabled, there must be no
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# output but comments and empty lines.
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# If freezing produces output, something went wrong: a bad 'divert',
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# or an improper paren etc.
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# It may happen that the output does not end with an end of line, hence
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# force an end of line when reporting errors.
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.m4.m4f:
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$(MKDIR_P) $(@D)
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lang=`echo '$*' | sed 's,.*/,,'` \
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&& if test $$lang = autoconf; then \
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lang=autoconf-without-aclocal-m4; \
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else :; fi \
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&& $(MY_AUTOM4TE) \
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--language=$$lang \
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--freeze \
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--output=$@
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# Factor the dependencies between all the frozen files.
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# Some day we should explain to Automake how to use autom4te to compute
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# the dependencies...
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src_libdir = $(top_srcdir)/lib
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build_libdir = $(top_build_prefix)lib
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m4f_dependencies = $(top_build_prefix)bin/autom4te $(AUTOM4TE_CFG)
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m4sugar_m4f_dependencies = \
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$(m4f_dependencies) \
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$(src_libdir)/m4sugar/m4sugar.m4 \
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$(build_libdir)/version.m4
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m4sh_m4f_dependencies = \
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$(m4sugar_m4f_dependencies) \
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$(src_libdir)/m4sugar/m4sh.m4
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autotest_m4f_dependencies = \
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$(m4sh_m4f_dependencies) \
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$(src_libdir)/autotest/autotest.m4 \
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$(src_libdir)/autotest/general.m4 \
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$(src_libdir)/autotest/specific.m4
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autoconf_m4f_dependencies = \
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$(m4sh_m4f_dependencies) \
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$(src_libdir)/autoconf/autoscan.m4 \
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$(src_libdir)/autoconf/general.m4 \
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$(src_libdir)/autoconf/autoheader.m4 \
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$(src_libdir)/autoconf/autoupdate.m4 \
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$(src_libdir)/autoconf/autotest.m4 \
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$(src_libdir)/autoconf/status.m4 \
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$(src_libdir)/autoconf/oldnames.m4 \
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$(src_libdir)/autoconf/specific.m4 \
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$(src_libdir)/autoconf/lang.m4 \
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$(src_libdir)/autoconf/c.m4 \
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$(src_libdir)/autoconf/fortran.m4 \
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$(src_libdir)/autoconf/erlang.m4 \
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$(src_libdir)/autoconf/go.m4 \
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$(src_libdir)/autoconf/functions.m4 \
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$(src_libdir)/autoconf/headers.m4 \
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$(src_libdir)/autoconf/types.m4 \
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$(src_libdir)/autoconf/libs.m4 \
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$(src_libdir)/autoconf/programs.m4 \
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$(src_libdir)/autoconf/autoconf.m4
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## --------------------------- ##
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## Run ETAGS on some M4 code. ##
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## --------------------------- ##
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ETAGS_FOR_M4 = \
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--lang=none \
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--regex='/\(m4_define\|define\)(\[\([^]]*\)\]/\2/'
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ETAGS_FOR_M4SUGAR = \
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$(ETAGS_FOR_M4) \
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--regex='/m4_defun(\[\([^]]*\)\]/\1/'
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ETAGS_FOR_AUTOCONF = \
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$(ETAGS_FOR_M4SUGAR) \
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--regex='/\(A[CU]_DEFUN\|AU_ALIAS\)(\[\([^]]*\)\]/\2/' \
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--regex='/AN_\(FUNCTION\|HEADER\|IDENTIFIER\|LIBRARY\|MAKEVAR\|PROGRAM\)(\[\([^]]*\)\]/\2/'
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## -------------------------------- ##
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## Looking for forbidden patterns. ##
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## -------------------------------- ##
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check-forbidden-patterns:
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@if (cd $(srcdir) && \
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$(GREP) $(forbidden_patterns) $(forbidden_patterns_files)) \
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>forbidden.log; then \
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echo "ERROR: forbidden patterns were found:" >&2; \
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sed "s|^|$*.m4: |" <forbidden.log >&2; \
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echo >&2; \
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exit 1; \
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else \
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rm -f forbidden.log; \
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fi
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