# Customize maint.mk.                           -*- makefile -*-
# Copyright (C) 2003-2014, 2016-2017, 2020-2026 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/>.

# Used in maint.mk's web-manual rule
manual_title = GNU macro processor

# Always use shorthand copyrights.
update-copyright-env = \
  UPDATE_COPYRIGHT_USE_INTERVALS=1 \
  UPDATE_COPYRIGHT_MAX_LINE_LENGTH=72

# Tests not to run as part of "make syntax-check".
local-checks-to-skip =
# M4 intentionally uses a coding style that compiles under C++.
local-checks-to-skip += sc_cast_of_x_alloc_return_value

# Our files include "m4.h", which in turn includes <config.h> first.
config_h_header = "m4\.h"

# Hash of NEWS contents, to ensure we don't add entries to wrong section.
old_NEWS_hash = 4bcf31da6270885ae5682b86e837a9ed

# Update m4-latest.tar.* symlinks during 'make stable/beta'.
GNUPLOADFLAGS = --symlink-regex

# Indent only with spaces.
sc_prohibit_tab_based_indentation:
 @re='^ *    '                                               \
 msg='TAB in indentation; use only spaces'                   \
   $(_prohibit_regexp)
indent_args = --ignore-profile --preprocessor-indentation 1 --no-tabs \
  -T int32_t -T uint32_t

# List all syntax-check exemptions:
exclude_file_name_regexp--sc_prohibit_tab_based_indentation = \
  (^(GNU)?Makefile(\.am)?|\.mk|^HACKING|^ChangeLog.*)$$
exclude_file_name_regexp--update-copyright = ^m4/gnulib-cache.m4$$
exclude_file_name_regexp--sc_codespell = ^THANKS$$
exclude_file_name_regexp--sc_trailing_blank = ^examples/barem4.m4$$

# Codespell exemptions:
codespell_ignore_words_list = ois,WIDTHn