maint: add cfg.mk, derived from grep's

* cfg.mk (local-checks-to-skip): Exempt many failing tests.
(old_NEWS_hash): Define.
* NEWS: Tweak wording to avoid semblance of doubled word: in in-place.

2 files changed, 144 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index 53c5132..eb118b7 100644
--- a/NEWS
+++ b/NEWS
@@ -136,7 +136,7 @@ Sed 4.1.1
 
 * yield an error when running -i on terminals or other non regular files
 
-* do not interpret - as stdin when running in in-place editing mode
+* do not interpret - as stdin when using in-place editing mode
 
 * fix bug that prevented 's' command modifiers from working
 
diff --git a/cfg.mk b/cfg.mk
new file mode 100644
index 0000000..904105b
--- /dev/null
+++ b/cfg.mk
@@ -0,0 +1,143 @@
+# Customize maint.mk                           -*- makefile -*-
+# Copyright (C) 2009-2014 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 <http://www.gnu.org/licenses/>.
+
+# Used in maint.mk's web-manual rule
+manual_title = GNU Sed: a stream editor
+
+# Use the direct link.  This is guaranteed to work immediately, while
+# it can take a while for the faster mirror links to become usable.
+url_dir_list = http://ftp.gnu.org/gnu/$(PACKAGE)
+
+# Tests not to run as part of "make distcheck".
+local-checks-to-skip =			\
+  sc_GPL_version			\
+  sc_bindtextdomain			\
+  sc_cast_of_alloca_return_value	\
+  sc_cast_of_argument_to_free		\
+  sc_const_long_option			\
+  sc_error_message_uppercase		\
+  sc_file_system			\
+  sc_immutable_NEWS			\
+  sc_long_lines				\
+  sc_m4_quote_check			\
+  sc_makefile_at_at_check		\
+  sc_po_check				\
+  sc_program_name			\
+  sc_prohibit_always_true_header_tests	\
+  sc_prohibit_atoi_atof			\
+  sc_prohibit_doubled_word		\
+  sc_prohibit_empty_lines_at_EOF	\
+  sc_prohibit_have_config_h		\
+  sc_prohibit_magic_number_exit		\
+  sc_prohibit_strcmp			\
+  sc_prohibit_strncpy			\
+  sc_require_config_h			\
+  sc_require_config_h_first		\
+  sc_space_tab				\
+  sc_prohibit_tab_based_indentation	\
+  sc_texinfo_acronym			\
+  sc_unmarked_diagnostics		\
+  sc_useless_cpp_parens
+
+# Tools used to bootstrap this package, used for "announcement".
+bootstrap-tools = autoconf,automake,gnulib
+
+# Now that we have better tests, make this the default.
+export VERBOSE = yes
+
+# Comparing tarball sizes compressed using different xz presets, we see
+# that -6e adds only 60 bytes to the size of the tarball, yet reduces
+# (from -9) the decompression memory requirement from 64 MiB to 9 MiB.
+# Don't be tempted by -5e, since -6 and -5 use the same dictionary size.
+# $ for i in {4,5,6,7,8,9}{e,}; do (n=$(xz -$i < sed-4.2.2.tar |wc -c);echo $n $i) & done |sort -nr
+# 900032 4
+# 854932 5
+# 844572 4e
+# 843780 9
+# 843780 8
+# 843780 7
+# 843780 6
+# 837892 5e
+# 836832 9e
+# 836832 8e
+# 836832 7e
+# 836832 6e
+export XZ_OPT = -6e
+
+old_NEWS_hash = d41d8cd98f00b204e9800998ecf8427e
+
+# Many m4 macros names once began with 'jm_'.
+# Make sure that none are inadvertently reintroduced.
+sc_prohibit_jm_in_m4:
+	@grep -nE 'jm_[A-Z]'						\
+		$$($(VC_LIST) m4 |grep '\.m4$$'; echo /dev/null) &&	\
+	    { echo '$(ME): do not use jm_ in m4 macro names'		\
+	      1>&2; exit 1; } || :
+
+sc_prohibit_echo_minus_en:
+	@prohibit='\<echo -[en]'					\
+	halt='do not use echo ''-e or echo ''-n; use printf instead'	\
+	  $(_sc_search_regexp)
+
+# Look for lines longer than 80 characters, except omit:
+# - program-generated long lines in diff headers,
+# - the help2man script copied from upstream,
+# - tests involving long checksum lines, and
+# - the 'pr' test cases.
+LINE_LEN_MAX = 80
+FILTER_LONG_LINES =						\
+  /^[^:]*\.diff:[^:]*:@@ / d;					\
+  \|^[^:]*man/help2man:| d;			\
+  \|^[^:]*tests/misc/sha[0-9]*sum.*\.pl[-:]| d;			\
+  \|^[^:]*tests/pr/|{ \|^[^:]*tests/pr/pr-tests:| !d; };
+sc_long_lines:
+	@files=$$($(VC_LIST_EXCEPT))					\
+	halt='line(s) with more than $(LINE_LEN_MAX) characters; reindent'; \
+	for file in $$files; do						\
+	  expand $$file | grep -nE '^.{$(LINE_LEN_MAX)}.' |		\
+	  sed -e "s|^|$$file:|" -e '$(FILTER_LONG_LINES)';		\
+	done | grep . && { msg="$$halt" $(_sc_say_and_exit) } || :
+
+# Indent only with spaces.
+sc_prohibit_tab_based_indentation:
+	@prohibit='^ *	'						\
+	halt='TAB in indentation; use only spaces'			\
+	  $(_sc_search_regexp)
+
+# Don't use "indent-tabs-mode: nil" anymore.  No longer needed.
+sc_prohibit_emacs__indent_tabs_mode__setting:
+	@prohibit='^( *[*#] *)?indent-tabs-mode:'			\
+	halt='use of emacs indent-tabs-mode: setting'			\
+	  $(_sc_search_regexp)
+
+# THANKS.in is a list of name/email pairs for people who are mentioned in
+# commit logs (and generated ChangeLog), but who are not also listed as an
+# author of a commit.  Name/email pairs of commit authors are automatically
+# extracted from the repository.  As a very minor factorization, when
+# someone who was initially listed only in THANKS.in later authors a commit,
+# this rule detects that their pair may now be removed from THANKS.in.
+sc_THANKS_in_duplicates:
+	@{ git log --pretty=format:%aN | sort -u;			\
+	    cut -b-36 THANKS.in | sed '/^$$/d;s/  *$$//'; }		\
+	  | sort | uniq -d | grep .					\
+	    && { echo '$(ME): remove the above names from THANKS.in'	\
+		  1>&2; exit 1; } || :
+
+update-copyright-env = \
+  UPDATE_COPYRIGHT_USE_INTERVALS=1 \
+  UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79
+
+exclude_file_name_regexp--sc_long_lines = ^tests/.*$$