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cfg.mk
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## Customize maint.mk -*- makefile -*-
## Copyright (C) 2008-2015, 2018-2022, 2025 Free Software Foundation,
## Inc.
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <https://www.gnu.org/licenses/>.
# Update version, then recompile so that tests/bison --version be
# up-to-date, then compile our parser again with our up-to-date bison.
.PHONY: regen
regen: _version
$(MAKE) $(AM_MAKEFLAGS)
touch $(srcdir)/src/parse-gram.y
$(MAKE) $(AM_MAKEFLAGS)
# Used in maint.mk's web-manual rule
manual_title = The Yacc-compatible Parser Generator
gendocs_options_ = -I $(abs_top_srcdir)/doc -I $(abs_top_builddir)/doc
# By default, propagate -j from make to Bison's test suite.
TESTSUITEFLAGS = $(filter -j%,$(MAKEFLAGS))
# It's useful to run maintainer-check* targets during development, but we
# don't want to wait on a recompile because of an update to $(VERSION). Thus,
# override the _is-dist-target from GNUmakefile so that maintainer-check*
# targets are filtered out.
_is-dist-target = $(filter-out %clean maintainer-check%, \
$(filter maintainer-% dist% alpha beta major,$(MAKECMDGOALS)))
url_dir_list = \
https://$(gnu_rel_host)/gnu/bison
# Tests not to run as part of "make distcheck".
local-checks-to-skip = \
sc_immutable_NEWS \
sc_indent
# The local directory containing the checked-out copy of gnulib used in
# this release. Used solely to get a date for the "announcement" target.
gnulib_dir = $(srcdir)/gnulib
bootstrap-tools = autoconf,automake,flex,gettext,gnulib
announcement_Cc_ = \
update-copyright: update-b4-copyright update-package-copyright-year
update-copyright-env = \
UPDATE_COPYRIGHT_FORCE=1 UPDATE_COPYRIGHT_USE_INTERVALS=1
## -------------------- ##
## More syntax-checks. ##
## -------------------- ##
# Indent only with spaces.
# Taken from Coreutils.
sc_prohibit_tab_based_indentation:
@prohibit='^ * ' \
halt='TAB in indentation; use only spaces' \
$(_sc_search_regexp)
# Prohibit the use of `...` in tests/. Use $(...) instead.
# Taken from Coreutils.
# Not ready for Bison yet.
#sc_prohibit_test_backticks:
# @prohibit='`' in_vc_files='^tests/' \
# halt='use $$(...), not `...` in tests/' \
# $(_sc_search_regexp)
# Enforce recommended preprocessor indentation style.
# Taken from Coreutils.
sc_preprocessor_indentation:
@if cppi --version >/dev/null 2>&1; then \
$(VC_LIST_EXCEPT) | grep '\.[ch]$$' | xargs cppi -a -c \
|| { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
exit 1; }; \
else \
echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
fi
###########################################################
# Taken from Coreutils.
_p0 = \([^"'/]\|"\([^\"]\|[\].\)*"\|'\([^\']\|[\].\)*'
_pre = $(_p0)\|[/][^"'/*]\|[/]"\([^\"]\|[\].\)*"\|[/]'\([^\']\|[\].\)*'\)*
_pre_anchored = ^\($(_pre)\)
_comment_and_close = [^*]\|[*][^/*]\)*[*][*]*/
# help font-lock mode: '
# A sed expression that removes ANSI C and ISO C99 comments.
# Derived from the one in GNU gettext's 'moopp' preprocessor.
_sed_remove_comments = \
/[/][/*]/{ \
ta; \
:a; \
s,$(_pre_anchored)//.*,\1,; \
te; \
s,$(_pre_anchored)/[*]\($(_comment_and_close),\1 ,; \
ta; \
/^$(_pre)[/][*]/{ \
s,$(_pre_anchored)/[*].*,\1 ,; \
tu; \
:u; \
n; \
s,^\($(_comment_and_close),,; \
tv; \
s,^.*$$,,; \
bu; \
:v; \
}; \
:e; \
}
# Quote all single quotes.
_sed_rm_comments_q = $(subst ','\'',$(_sed_remove_comments))
# help font-lock mode: '
_space_before_paren_exempt =? \\n\\$$
_space_before_paren_exempt = \
(^ *\#|(LA)?LR\([01]\)|percent_(code|define)|b4_syncline|m4_(define|init))
# Ensure that there is a space before each open parenthesis in C code.
sc_space_before_open_paren:
@if $(VC_LIST_EXCEPT) | grep -l '\.[ch]$$' > /dev/null; then \
fail=0; \
for c in $$($(VC_LIST_EXCEPT) | grep '\.[ch]$$'); do \
sed '$(_sed_rm_comments_q)' $$c 2>/dev/null \
| grep -i '[[:alnum:]](' \
| grep -vE '$(_space_before_paren_exempt)' \
| grep . && { fail=1; echo "*** $$c"; }; \
done; \
test $$fail = 1 && \
{ echo '$(ME): the above files lack a space-before-open-paren' \
1>&2; exit 1; } || :; \
else :; \
fi
## -------------------------- ##
## syntax-checks exceptions. ##
## -------------------------- ##
# po-check: we use gnulib-po, so we don't need/want them in our POTFILE.
generated_files =
exclude = \
$(foreach a,$(1),$(eval $(subst $$,$$$$,exclude_file_name_regexp--sc_$(a))))
$(call exclude, \
bindtextdomain=^lib/main.c$$ \
cast_of_argument_to_free=^src/muscle-tab.c$$ \
error_message_uppercase=etc/bench.pl.in$$ \
file_system=^doc/Doxyfile.in$$ \
po_check=^tests|(^po/POTFILES.in|.md)$$ \
preprocessor_indentation=^data/|^lib/|^src/parse-gram.[ch]$$ \
program_name=^lib/main.c$$ \
prohibit_always-defined_macros=^data/skeletons/yacc.c$$ \
prohibit_always-defined_macros+=?|^src/(parse-gram.c|system.h)$$ \
prohibit_always-defined_macros+=?|^tests/regression.at$$ \
prohibit_atoi_atof=^(doc|etc|examples|tests)/ \
prohibit_doubled_word=^tests/named-refs.at$$ \
prohibit_magic_number_exit=^doc/bison.texi$$ \
prohibit_magic_number_exit+=?|^tests/(conflicts|regression).at$$ \
prohibit_strcmp=^doc/bison\.texi|examples|tests \
prohibit_tab_based_indentation=install-icc.sh|\.(am|mk)$$|^\.git|tests/input.at|Makefile$$ \
require_config_h=^(lib/yyerror|data/skeletons/(glr|yacc))\.c$$ \
require_config_h_first=^(lib/yyerror|data/skeletons/(glr|yacc))\.c$$ \
space_before_open_paren=^data/skeletons/ \
two_space_separator_in_usage=^(bootstrap|build-aux/install-icc.sh) \
unmarked_diagnostics=^(doc/bison.texi$$|tests/c\+\+\.at$$) \
)