Adding upstream version 9.1.upstream/9.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 920 insertions, 0 deletions

diff --git a/cfg.mk b/cfg.mk
new file mode 100644
index 0000000..f62801e
--- /dev/null
+++ b/cfg.mk
@@ -0,0 +1,920 @@
+# Customize maint.mk                           -*- makefile -*-
+# Copyright (C) 2003-2022 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 = Core GNU utilities
+
+# 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 = https://ftp.gnu.org/gnu/$(PACKAGE)
+
+# Exclude bundled external projects from syntax checks
+VC_LIST_ALWAYS_EXCLUDE_REGEX = src/blake2/.*$$
+
+# Tests not to run as part of "make distcheck".
+local-checks-to-skip = \
+  sc_proper_name_utf8_requires_ICONV \
+  sc_indent
+
+# Tools used to bootstrap this package, used for "announcement".
+bootstrap-tools = autoconf,automake,gnulib,bison
+
+# Now that we have better tests, make this the default.
+export VERBOSE = yes
+
+# Comparing tarball sizes compressed using different xz presets, we see that
+# an -8e-compressed tarball is only 9KiB larger than the -9e-compressed one.
+# Using -8e is preferred, since that lets the decompression process use half
+# the memory (32MiB rather than 64MiB).
+# $ for i in {7,8,9}{e,}; do \
+#     (n=$(xz -$i < coreutils-8.15*.tar|wc -c);echo $n $i) & done |sort -nr
+# 5129388 7
+# 5036524 7e
+# 5017476 8
+# 5010604 9
+# 4923016 8e
+# 4914152 9e
+export XZ_OPT = -8e
+
+old_NEWS_hash = 612bad626bf28b1847ad0114cb2cd6fe
+
+# Add an exemption for sc_makefile_at_at_check.
+_makefile_at_at_check_exceptions = ' && !/^cu_install_prog/ && !/dynamic-dep/'
+
+# Our help-version script is in a slightly different location.
+_hv_file ?= $(srcdir)/tests/misc/help-version
+
+# Ensure that the list of O_ symbols used to compute O_FULLBLOCK is complete.
+dd = $(srcdir)/src/dd.c
+sc_dd_O_FLAGS:
+	@rm -f $@.1 $@.2
+	@{ echo O_FULLBLOCK; echo O_NOCACHE;				\
+	  perl -nle '/^ +\| (O_\w*)$$/ and print $$1' $(dd); } | sort > $@.1
+	@{ echo O_NOFOLLOW; perl -nle '/{"[a-z]+",\s*(O_\w+)},/ and print $$1' \
+	  $(dd); } | sort > $@.2
+	@diff -u $@.1 $@.2; diff=$$?;					\
+	rm -f $@.1 $@.2;						\
+	test "$$diff" = 0						\
+	  || { echo '$(ME): $(dd) has inconsistent O_ flag lists'>&2;	\
+	       exit 1; }
+
+# Ensure that dd's definition of LONGEST_SYMBOL stays in sync
+# with the strings from the two affected variables.
+dd_c = $(srcdir)/src/dd.c
+sc_dd_max_sym_length:
+ifneq ($(wildcard $(dd_c)),)
+	@len=$$( (sed -n '/conversions\[\] =$$/,/^};/p' $(dd_c);\
+		 sed -n '/flags\[\] =$$/,/^};/p' $(dd_c) )	\
+		|sed -n '/"/s/^[^"]*"\([^"]*\)".*/\1/p'| wc -L);\
+	max=$$(sed -n '/^#define LONGEST_SYMBOL /s///p' $(dd_c)	\
+	      |tr -d '"' | wc -L);		\
+	if test "$$len" = "$$max"; then :; else			\
+	  echo 'dd.c: LONGEST_SYMBOL is not longest' 1>&2;	\
+	  exit 1;						\
+	fi
+endif
+
+# Many m4 macros names once began with 'jm_'.
+# On 2004-04-13, they were all changed to start with gl_ instead.
+# Make sure that none are inadvertently reintroduced.
+sc_prohibit_jm_in_m4:
+	@grep -nE 'jm_[A-Z]'						\
+		$$($(VC_LIST) m4 |grep '\.m4$$'; echo /dev/null) &&	\
+	    { echo '$(ME): do not use jm_ in m4 macro names'		\
+	      1>&2; exit 1; } || :
+
+# Ensure that each root-requiring test is run via the "check-root" rule.
+sc_root_tests:
+	@t1=sc-root.expected; t2=sc-root.actual;			\
+	grep -nl '^ *require_root_$$' `$(VC_LIST) tests` |		\
+	  sed 's|.*/tests/|tests/|' | sort > $$t1;			\
+	for t in $(all_root_tests); do echo $$t; done | sort > $$t2;	\
+	st=0; diff -u $$t1 $$t2 || st=1;				\
+	rm -f $$t1 $$t2;						\
+	exit $$st
+
+# Ensure that all version-controlled test cases are listed in $(all_tests).
+sc_tests_list_consistency:
+	@bs="\\";							\
+	test_extensions_rx=`echo $(TEST_EXTENSIONS)			\
+	  | sed -e "s/ /|/g" -e "s/$$bs./$$bs$$bs./g"`;			\
+	{								\
+	  for t in $(all_tests); do echo $$t; done;			\
+	  cd $(top_srcdir);						\
+	  $(SHELL) build-aux/vc-list-files tests			\
+	    | grep -Ev '^tests/(factor/(run|create-test)|init)\.sh$$'	\
+	    | $(EGREP) "$$test_extensions_rx\$$";			\
+	} | sort | uniq -u | grep . && exit 1; :
+
+# Ensure that all version-controlled test scripts are executable.
+sc_tests_executable:
+	@set -o noglob 2>/dev/null || set -f;				   \
+	cd $(srcdir);							   \
+	find_ext="-name '' "`printf -- "-o -name *%s " $(TEST_EXTENSIONS)`;\
+	find $(srcdir)/tests/ \( $$find_ext \) \! -perm -u+x -print	   \
+	  | { sed "s|^$(srcdir)/||"; git ls-files $(srcdir)/tests/; }	   \
+	  | sort | uniq -d						   \
+	  | sed -e "s/^/$(ME): Please make test executable: /" | grep .	   \
+	    && exit 1; :
+
+# Ensure all gnulib patches apply cleanly
+sc_ensure_gl_diffs_apply_cleanly:
+	@find $(srcdir)/gl/ -name '*.diff' | while read p; do		\
+	  patch --fuzz=0 -f -s -d $(srcdir)/gnulib/ -p1 --dry-run < "$$p" >&2 \
+	    || { echo "$$p" >&2; echo 'To refresh all gl patches run:'	\
+		 'make refresh-gnulib-patches' >&2; exit 1; }		\
+	done
+
+# Avoid :>file which doesn't propagate errors
+sc_prohibit_colon_redirection:
+	@cd $(srcdir)/tests && GIT_PAGER= git grep -En ': *>.*\|\|'	\
+	  && { echo '$(ME): '"The leading colon in :> will hide errors" >&2; \
+	       exit 1; }  \
+	  || :
+
+# Ensure emit_mandatory_arg_note() is called if required
+sc_ensure_emit_mandatory_arg_note:
+	@cd $(srcdir)/src && GIT_PAGER= git \
+	  grep -l -- '^ *-[^-].*--.*[^[]=' *.c \
+	  | xargs grep -L emit_mandatory_arg_note | grep . \
+	  && { echo '$(ME): '"emit_mandatory_arg_note() missing" 1>&2; \
+	       exit 1; } || :
+
+# Create a list of regular expressions matching the names
+# of files included from system.h.  Exclude a couple.
+.re-list:
+	@sed -n '/^# *include /s///p' $(srcdir)/src/system.h \
+	  | grep -Ev 'sys/(param|file)\.h' \
+	  | sed 's/ .*//;;s/^["<]/^# *include [<"]/;s/\.h[">]$$/\\.h[">]/' \
+	  > $@-t
+	@mv $@-t $@
+
+define gl_trap_
+  Exit () { set +e; (exit $$1); exit $$1; };				\
+  for sig in 1 2 3 13 15; do						\
+    eval "trap 'Exit $$(expr $$sig + 128)' $$sig";			\
+  done
+endef
+
+# Files in src/ should not include directly any of
+# the headers already included via system.h.
+sc_system_h_headers: .re-list
+	@if test -f $(srcdir)/src/system.h; then			\
+	  trap 'rc=$$?; rm -f .re-list; exit $$rc' 0;			\
+	  $(gl_trap_);							\
+	  grep -nE -f .re-list						\
+	      $$($(VC_LIST_EXCEPT) | grep -E '^($(srcdir)/)?src/')	\
+	    && { echo '$(ME): the above are already included via system.h'\
+		  1>&2;  exit 1; } || :;				\
+	fi
+
+# Files in src/ should not use '%s' notation in format strings,
+# i.e., single quotes around %s (or similar) should be avoided.
+sc_prohibit_quotes_notation:
+	@cd $(srcdir)/src && GIT_PAGER= git grep -n "\".*[\`']%s'.*\"" *.c \
+	  && { echo '$(ME): '"Use quote() to avoid quoted '%s' notation" 1>&2; \
+	       exit 1; }  \
+	  || :
+
+# Files in src/ should quote all strings in error() output, so that
+# unexpected input chars like \r etc. don't corrupt the error.
+# In edge cases this can be avoided by putting the format string
+# on a separate line to the arguments, or the arguments in parenthesis.
+sc_error_quotes:
+	@cd $(srcdir)/src && GIT_PAGER= git grep -n 'error *(.*%s.*, [^(]*);$$'\
+	  *.c | grep -v ', q' \
+	  && { echo '$(ME): '"Use quote() for error string arguments" 1>&2; \
+	       exit 1; }  \
+	  || :
+
+# Files in src/ should quote all file names in error() output
+# using quotef(), to provide quoting only when necessary,
+# but also provide better support for copy and paste when used.
+sc_error_shell_quotes:
+	@cd $(srcdir)/src && \
+	  { GIT_PAGER= git grep -E \
+	    'error \(.*%s[:"], .*(name|file)[^"]*\);$$' *.c; \
+	    GIT_PAGER= git grep -E \
+	    ' quote[ _].*file' *.c; } \
+	  | grep -Ev '(quotef|q[^ ]*name)' \
+	  && { echo '$(ME): '"Use quotef() for colon delimited names" 1>&2; \
+	       exit 1; }  \
+	  || :
+
+# Files in src/ should quote all file names in error() output
+# using quoteaf() when the name is separated with spaces,
+# to distinguish the file name at issue and
+# to provide better support for copy and paste.
+sc_error_shell_always_quotes:
+	@cd $(srcdir)/src && GIT_PAGER= git grep -E \
+	    'error \(.*[^:] %s[ "].*, .*(name|file)[^"]*\);$$' \
+	    *.c | grep -Ev '(quoteaf|q[^ ]*name)' \
+	  && { echo '$(ME): '"Use quoteaf() for space delimited names" 1>&2; \
+	       exit 1; }  \
+	  || :
+	@cd $(srcdir)/src && GIT_PAGER= git grep -E -A1 \
+	    'error \([^%]*[^:] %s[ "]' *.c | grep 'quotef' \
+	  && { echo '$(ME): '"Use quoteaf() for space delimited names" 1>&2; \
+	       exit 1; }  \
+	  || :
+
+# Usage of error() with an exit constant, should instead use die(),
+# as that avoids warnings and may generate better code, due to being apparent
+# to the compiler that it doesn't return.
+sc_die_EXIT_FAILURE:
+	@cd $(srcdir)/src && GIT_PAGER= git grep -E \
+	    'error \([^?]*EXIT_' \
+	  && { echo '$(ME): '"Use die() instead of error" 1>&2; \
+	       exit 1; }  \
+	  || :
+
+# Avoid unstyled quoting to internal slots and thus destined for diagnostics
+# as that can leak unescaped control characters to the output, when using
+# the default "literal" quoting style.
+# Instead use quotef(), or quoteaf() or in edge cases quotearg_n_style_colon().
+# A more general PCRE would be @prohibit='quotearg_.*(?!(style|buffer))'
+sc_prohibit-quotearg:
+	@prohibit='quotearg(_n)?(|_colon|_char|_mem) ' \
+	in_vc_files='\.c$$' \
+	halt='Unstyled diagnostic quoting detected' \
+	  $(_sc_search_regexp)
+
+sc_prohibit-skip:
+	@prohibit='\|\| skip ' \
+	halt='Use skip_ not skip' \
+	  $(_sc_search_regexp)
+
+sc_sun_os_names:
+	@grep -nEi \
+	    'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
+	    $$($(VC_LIST_EXCEPT)) &&					\
+	  { echo '$(ME): found misuse of Sun OS version numbers' 1>&2;	\
+	    exit 1; } || :
+
+# Ensure that the list of programs and author names is accurate.
+# We need a UTF8 locale.  If a lack of locale support or a missing
+# translation inhibits printing of UTF-8 names, just skip this test.
+au_dotdot = authors-dotdot
+au_actual = authors-actual
+sc_check-AUTHORS: $(all_programs)
+	@locale=en_US.UTF-8;				\
+	LC_ALL=$$locale ./src/factor --version		\
+	    | grep ' Torbjorn '	> /dev/null		\
+	  && { echo "$@: skipping this check"; exit 0; }; \
+	rm -f $(au_actual) $(au_dotdot);		\
+	for i in `ls $(all_programs)			\
+	    | sed -e 's,^src/,,' -e 's,$(EXEEXT)$$,,'	\
+	    | sed /libstdbuf/d				\
+	    | $(ASSORT) -u`; do				\
+	  test "$$i" = '[' && continue;			\
+	  exe=$$i;					\
+	  if test "$$i" = install; then			\
+	    exe=ginstall;				\
+	  elif test "$$i" = test; then			\
+	    exe='[';					\
+	  fi;						\
+	  LC_ALL=$$locale ./src/$$exe --version		\
+	    | perl -0 -p -e 's/,\n/, /gm'		\
+	    | sed -n -e '/Written by /{ s//'"$$i"': /;'	\
+		  -e 's/,* and /, /; s/\.$$//; p; }';	\
+	done > $(au_actual) &&				\
+	sed -n '/^[^ ][^ ]*:/p' $(srcdir)/AUTHORS > $(au_dotdot) \
+	  && diff $(au_actual) $(au_dotdot) \
+	  && rm -f $(au_actual) $(au_dotdot)
+
+# Each program with a non-ASCII author name must link with LIBICONV.
+sc_check-I18N-AUTHORS:
+	@cd $(srcdir)/src &&						\
+	  for i in $$(git grep -l -w proper_name_utf8 *.c|sed 's/\.c//'); do \
+	    grep -E "^src_$${i}_LDADD"' .?= .*\$$\(LIBICONV\)' local.mk	\
+		> /dev/null						\
+	      || { echo "$(ME): link rules for $$i do not include"	\
+		    '$$(LIBICONV)' 1>&2; exit 1; };			\
+	  done
+
+# Disallow the C99 printf size specifiers %z and %j as they're not portable.
+# The gnulib printf replacement does support them, however the printf
+# replacement is not currently explicitly depended on by the gnulib error()
+# module for example.  Also we use fprintf() in a few places to output simple
+# formats but don't use the gnulib module as it is seen as overkill at present.
+# We'd have to adjust the above gnulib items before disabling this.
+sc_prohibit-c99-printf-format:
+	@cd $(srcdir)/src && GIT_PAGER= git grep -n '%[0*]*[jz][udx]' *.c    \
+	  && { echo '$(ME): Use PRI*MAX instead of %j or %z' 1>&2; exit 1; } \
+	  || :
+
+# Ensure the alternative __attribute (keyword) form isn't used as
+# that form is not elided where required.  Also ensure that we don't
+# directly use attributes already defined by gnulib.
+# TODO: move the check for _GL... attributes to gnulib.
+sc_prohibit-gl-attributes:
+	@prohibit='__attribute |__(unused|pure|const)__'	\
+	in_vc_files='\.[ch]$$'					\
+	halt='Use _GL... attribute macros'			\
+	  $(_sc_search_regexp)
+
+# Prefer the const declaration form, with const following the type
+sc_prohibit-const-char:
+	@prohibit='const char \*'				\
+	in_vc_files='\.[ch]$$'					\
+	halt='Use char const *, not const char *'		\
+	  $(_sc_search_regexp)
+
+# Look for lines longer than 80 characters, except omit:
+# - urls
+# - the fdl.texi file copied from gnulib,
+# - the help2man script copied from upstream,
+# - tests involving long checksum lines, and
+# - the 'pr' test cases.
+FILTER_LONG_LINES =						\
+  \|^[^:]*NEWS:.*https\{,1\}://| d;					\
+  \|^[^:]*doc/fdl.texi:| d;					\
+  \|^[^:]*man/help2man:| d;					\
+  \|^[^:]*tests/misc/sha[0-9]*sum.*\.pl[-:]| d;			\
+  \|^[^:]*tests/pr/|{ \|^[^:]*tests/pr/pr-tests:| !d; };
+sc_long_lines:
+	@wc -L /dev/null >/dev/null 2>/dev/null				\
+	   || { echo "$@: skipping: wc -L not supported"; exit 0; };	\
+	sed -r 1q /dev/null 2>/dev/null					\
+	   || { echo "$@: skipping: sed -r not supported"; exit 0; };	\
+	files=$$($(VC_LIST_EXCEPT) | xargs wc -L | sed -rn '/ total$$/d;\
+		  s/^ *(8[1-9]|9[0-9]|[0-9]{3,}) //p');			\
+	halt='line(s) with more than 80 characters; reindent';		\
+	for file in $$files; do						\
+	  expand $$file | grep -nE '^.{80}.' |				\
+	  sed -e "s|^|$$file:|" -e '$(FILTER_LONG_LINES)';		\
+	done | grep . && { msg="$$halt" $(_sc_say_and_exit) } || :
+
+# Option descriptions should not start with a capital letter.
+# One could grep source directly as follows:
+# grep -E " {2,6}-.*[^.]  [A-Z][a-z]" $$($(VC_LIST_EXCEPT) | grep '\.c$$')
+# but that would miss descriptions not on the same line as the -option.
+sc_option_desc_uppercase: $(ALL_MANS)
+	@grep '^\\fB\\-' -A1 man/*.1 | LC_ALL=C grep '\.1.[A-Z][a-z]'	\
+	  && { echo 1>&2 '$@: found initial capitals in --help'; exit 1; } || :
+
+# Ensure all man/*.[1x] files are present.
+sc_man_file_correlation: check-x-vs-1 check-programs-vs-x
+
+# Ensure that for each .x file in the 'man/' subdirectory, there is a
+# corresponding .1 file in the definition of $(EXTRA_MANS).
+# But since that expansion usually lacks programs like arch and hostname,
+# add them here manually.
+.PHONY: check-x-vs-1
+check-x-vs-1:
+	@PATH=./src$(PATH_SEPARATOR)$$PATH; export PATH;		\
+	t=$@-t;								\
+	(cd $(srcdir)/man && ls -1 *.x)					\
+	  | sed 's/\.x$$//' | $(ASSORT) > $$t;				\
+	(echo $(patsubst man/%,%,$(ALL_MANS))				\
+	  | tr -s ' ' '\n' | sed 's/\.1$$//')				\
+	  | $(ASSORT) -u | diff - $$t || { rm $$t; exit 1; };		\
+	rm $$t
+
+# Ensure that non-trivial .x files in the 'man/' subdirectory,
+# i.e., files exceeding a line count of 20 or a byte count of 1000,
+# contain a Copyright notice.
+.PHONY: sc_man_check_x_copyright
+sc_man_check_x_copyright:
+	@status=0;							\
+	cd $(srcdir) && wc -cl man/*.x | head -n-1			\
+	  | awk '$$1 >= 20 || $$2 >= 1000 {print $$3}'			\
+	  | xargs grep -L 'Copyright .* Free Software Foundation'	\
+	  | grep .							\
+	  && { echo  1>&2 '$@: exceeding file size/line count limit'	\
+		  '- please add a copyright note'; status=1; };		\
+	exit $$status
+
+# Writing a portable rule to generate a manpage like '[.1' would be
+# a nightmare, so filter that out.
+all-progs-but-lbracket = $(filter-out [,$(patsubst src/%,%,$(all_programs)))
+
+# Ensure that for each coreutils program there is a corresponding
+# '.x' file in the 'man/' subdirectory.
+.PHONY: check-programs-vs-x
+check-programs-vs-x:
+	@status=0;					\
+	for p in dummy $(all-progs-but-lbracket); do	\
+	  case $$p in *.so) continue;; esac;		\
+	  test $$p = dummy && continue;			\
+	  test $$p = ginstall && p=install || : ;	\
+	  test -f $(srcdir)/man/$$p.x			\
+	    || { echo missing $$p.x 1>&2; status=1; };	\
+	done;						\
+	exit $$status
+
+# Ensure we can check out on case insensitive file systems
+sc_case_insensitive_file_names: src/uniq
+	@git -C $(srcdir) ls-files | sort -f | src/uniq -Di | grep . && \
+	  { echo "$(ME): the above file(s) conflict on case insensitive" \
+	  " file systems" 1>&2; exit 1; } || :
+
+# Ensure that the end of each release's section is marked by two empty lines.
+sc_NEWS_two_empty_lines:
+	@sed -n 4,/Noteworthy/p $(srcdir)/NEWS				\
+	    | perl -n0e '/(^|\n)\n\n\* Noteworthy/ or exit 1'		\
+	  || { echo '$(ME): use two empty lines to separate NEWS sections' \
+		 1>&2; exit 1; } || :
+
+# With split lines, don't leave an operator at end of line.
+# Instead, put it on the following line, where it is more apparent.
+# Don't bother checking for "*" at end of line, since it provokes
+# far too many false positives, matching constructs like "TYPE *".
+# Similarly, omit "=" (initializers).
+binop_re_ ?= [-/+^!<>]|[-/+*^!<>=]=|&&?|\|\|?|<<=?|>>=?
+sc_prohibit_operator_at_end_of_line:
+	@prohibit='. ($(binop_re_))$$'					\
+	in_vc_files='\.[chly]$$'					\
+	halt='found operator at end of line'				\
+	  $(_sc_search_regexp)
+
+# Don't use address of "stat" or "lstat" functions
+sc_prohibit_stat_macro_address:
+	@prohibit='\<l?stat '':|&l?stat\>'				\
+	halt='stat() and lstat() may be function-like macros'		\
+	  $(_sc_search_regexp)
+
+# Ensure that date's --help output stays in sync with the info
+# documentation for GNU strftime.  The only exception is %N and %q,
+# which date accepts but GNU strftime does not.
+#
+# "info foo" fails with error, but not "info foo >/dev/null".
+extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/'
+sc_strftime_check:
+	@if test -f $(srcdir)/src/date.c; then				\
+	  if info libc date calendar format 2>/dev/null |		\
+		grep "^ *['\`]%.'$$" >$@-tmp; then			\
+	    { echo N; echo q; $(extract_char) $@-tmp; }| sort		\
+	      >$@-info;							\
+	    grep '^  %.  ' $(srcdir)/src/date.c | sort			\
+	      | $(extract_char) > $@-src;				\
+	    diff -u $@-src $@-info || exit 1;				\
+	  else								\
+	    echo '$(ME): skipping $@: libc info not installed' 1>&2;	\
+	  fi;								\
+	  rm -f $@-info $@-src $@-tmp;					\
+	fi
+
+# Indent only with spaces.
+sc_prohibit_tab_based_indentation:
+	@prohibit='^ *	'						\
+	halt='TAB in indentation; use only spaces'			\
+	  $(_sc_search_regexp)
+
+# Enforce lowercase 'e' in "I.e.".
+sc_prohibit_uppercase_id_est:
+	@prohibit='I\.E\.'						\
+	halt='Uppercase "Id Est" abbreviation; use "I.e.," instead'	\
+	  $(_sc_search_regexp)
+
+# Enforce double-space before "I.e." at the beginning of a sentence.
+sc_ensure_dblspace_after_dot_before_id_est:
+	@prohibit='\. I\.e\.'						\
+	halt='Single space after dot before "i.e."; use ".  i.e." instead' \
+	  $(_sc_search_regexp)
+
+# Enforce comma after "i.e." (at least before a blank or at EOL).
+sc_ensure_comma_after_id_est:
+	@prohibit='[Ii]\.e\.( |$$)'					\
+	halt='Missing comma after "i.e."; use "i.e.," instead'		\
+	  $(_sc_search_regexp)
+
+# The SEE ALSO section of a man page should not be terminated with
+# a period.  Check the first line after each "SEE ALSO" line in man/*.x:
+sc_prohibit_man_see_also_period:
+	@grep -nB1 '\.$$' $$($(VC_LIST_EXCEPT) | grep 'man/.*\.x$$')	\
+	    | grep -A1 -e '-\[SEE ALSO\]' | grep '\.$$' &&		\
+	  { echo '$(ME): do not end "SEE ALSO" section with a period'	\
+	      1>&2; exit 1; } || :
+
+# Don't use "indent-tabs-mode: nil" anymore.  No longer needed.
+sc_prohibit_emacs__indent_tabs_mode__setting:
+	@prohibit='^( *[*#] *)?indent-tabs-mode:'			\
+	halt='use of emacs indent-tabs-mode: setting'			\
+	  $(_sc_search_regexp)
+
+# Ensure that tests don't include a redundant fail=0.
+sc_prohibit_fail_0:
+	@prohibit='\<fail=0\>'						\
+	halt='fail=0 initialization'					\
+	  $(_sc_search_regexp)
+
+# Ensure that tests don't use `cmd ... && fail=1` as that hides crashes.
+# The "exclude" expression allows common idioms like `test ... && fail=1`
+# and the 2>... portion allows commands that redirect stderr and so probably
+# independently check its contents and thus detect any crash messages.
+sc_prohibit_and_fail_1:
+	@prohibit='&& fail=1'						\
+	exclude='(returns_|stat|kill|test |EGREP|grep|compare|2> *[^/])' \
+	halt='&& fail=1 detected. Please use: returns_ 1 ... || fail=1'	\
+	in_vc_files='^tests/'						\
+	  $(_sc_search_regexp)
+
+# Ensure that tests don't use `cmd ... || fail` as that's a noop.
+sc_prohibit_or_fail:
+	@prohibit='\|\| fail$$'						\
+	exclude=':#'							\
+	halt='|| fail detected. Please use: || fail=1'			\
+	in_vc_files='^tests/'						\
+	  $(_sc_search_regexp)
+
+# Ensure that env vars are not passed through returns_ as
+# that was seen to fail on FreeBSD /bin/sh at least
+sc_prohibit_env_returns:
+	@prohibit='=[^ ]* returns_ '					\
+	exclude='_ returns_ '						\
+	halt='Passing env vars to returns_ is non portable'		\
+	in_vc_files='^tests/'						\
+	  $(_sc_search_regexp)
+
+# The mode part of a setfacl -m option argument must be three bytes long.
+# I.e., an argument of user:bin:rw or user:bin:r will make Solaris 10's
+# setfacl reject it with: "Unrecognized character found in mode field".
+# Use hyphens to give it a length of 3: "...:rw-" or "...:r--".
+sc_prohibit_short_facl_mode_spec:
+	@prohibit='\<setfacl .*-m.*:.*:[rwx-]{1,2} '			\
+	halt='setfacl mode string length < 3; extend with hyphen(s)'	\
+	  $(_sc_search_regexp)
+
+# Ensure that "stdio--.h" is used where appropriate.
+sc_require_stdio_safer:
+	@if $(VC_LIST_EXCEPT) | grep -l '\.[ch]$$' > /dev/null; then	\
+	  files=$$(grep -l '\bfreopen \?(' $$($(VC_LIST_EXCEPT)		\
+	      | grep '\.[ch]$$'));					\
+	  test -n "$$files" && grep -LE 'include "stdio--.h"' $$files	\
+	      | grep . &&						\
+	  { echo '$(ME): the above files should use "stdio--.h"'	\
+		1>&2; exit 1; } || :;					\
+	else :;								\
+	fi
+
+sc_prohibit_perl_hash_quotes:
+	@prohibit="\{'[A-Z_]+' *[=}]"					\
+	halt="in Perl code, write \$$hash{KEY}, not \$$hash{'K''EY'}"	\
+	  $(_sc_search_regexp)
+
+# Prefer xnanosleep over other less-precise sleep methods
+sc_prohibit_sleep:
+	@prohibit='\<(nano|u)?sleep \('					\
+	halt='prefer xnanosleep over other sleep interfaces'		\
+	  $(_sc_search_regexp)
+
+# Use print_ver_ (from init.cfg), not open-coded $VERBOSE check.
+sc_prohibit_verbose_version:
+	@prohibit='test "\$$VERBOSE" = yes && .* --version'		\
+	halt='use the print_ver_ function instead...'			\
+	  $(_sc_search_regexp)
+
+# Enforce print_ver_ tracking of dependencies
+# Each coreutils specific program a test requires
+# should be tagged by calling through env(1).
+sc_env_test_dependencies:
+	@cd $(top_srcdir) && GIT_PAGER= git grep -E \
+	    "env ($$(build-aux/gen-lists-of-programs.sh --list-progs | \
+		grep -vF '[' |paste -d'|' -s))" tests | \
+	    sed "s/\([^:]\):.*env \([^)' ]*\).*/\1 \2/" | uniq | \
+	    while read test prog; do \
+	      printf '%s' $$test | grep -q '\.pl$$' && continue; \
+	      grep -q "print_ver_.* $$prog" $$test \
+		|| echo $$test should call: print_ver_ $$prog; \
+	    done | grep . && exit 1 || :
+
+# Use framework_failure_, not the old name without the trailing underscore.
+sc_prohibit_framework_failure:
+	@prohibit='\<framework_''failure\>'				\
+	halt='use framework_failure_ instead'				\
+	  $(_sc_search_regexp)
+
+# Prohibit the use of `...` in tests/.  Use $(...) instead.
+sc_prohibit_test_backticks:
+	@prohibit='`' in_vc_files='^tests/'				\
+	halt='use $$(...), not `...` in tests/'				\
+	  $(_sc_search_regexp)
+
+# Ensure that compare is used to check empty files
+# so that the unexpected contents are displayed
+sc_prohibit_test_empty:
+	@prohibit='test -s.*&&' in_vc_files='^tests/'			\
+	halt='use `compare /dev/null ...`, not `test -s ...` in tests/'	\
+	  $(_sc_search_regexp)
+
+# Programs like sort, ls, expr use PROG_FAILURE in place of EXIT_FAILURE.
+# Others, use the EXIT_CANCELED, EXIT_ENOENT, etc. macros defined in system.h.
+# In those programs, ensure that EXIT_FAILURE is not used by mistake.
+sc_some_programs_must_avoid_exit_failure:
+	@cd $(srcdir)							\
+	&& grep -nw EXIT_FAILURE					\
+	    $$(git grep -El '[^T]_FAILURE|EXIT_CANCELED' $(srcdir)/src)	\
+	  | grep -vE '= EXIT_FAILURE|return .* \?' | grep .		\
+	    && { echo '$(ME): do not use EXIT_FAILURE in the above'	\
+		  1>&2; exit 1; } || :
+
+# Ensure that tests call the get_min_ulimit_v_ function if using ulimit -v
+sc_prohibit_test_ulimit_without_require_:
+	@(git -C $(srcdir) grep -l get_min_ulimit_v_ tests;		\
+	  git -C $(srcdir) grep -l 'ulimit -v' tests)			\
+	  | sort | uniq -u | grep . && { echo "$(ME): the above test(s)"\
+	  " should match get_min_ulimit_v_ with ulimit -v" 1>&2; exit 1; } || :
+
+# Ensure that tests call the cleanup_ function if using background processes
+sc_prohibit_test_background_without_cleanup_:
+	@(git -C $(srcdir) grep -El '( &$$|&[^&]*=\$$!)' tests;		\
+	  git -C $(srcdir) grep -l 'cleanup_()' tests | sed p)		\
+	  | sort | uniq -u | grep . && { echo "$(ME): the above test(s)"\
+	  " should use cleanup_ for background processes" 1>&2; exit 1; } || :
+
+# Ensure that tests call the print_ver_ function for programs which are
+# actually used in that test.
+sc_prohibit_test_calls_print_ver_with_irrelevant_argument:
+	@git -C $(srcdir) grep -w print_ver_ tests			\
+	  | sed 's#:print_ver_##'					\
+	  | { fail=0;							\
+	      while read file name; do					\
+		for i in $$name; do					\
+		  case "$$i" in install) i=ginstall;; esac;		\
+		  grep -w "$$i" $$file|grep -vw print_ver_|grep -q .	\
+		    || { fail=1;					\
+			 echo "*** Test: $$file, offending: $$i." 1>&2; };\
+		done;							\
+	      done;							\
+	      test $$fail = 0 || exit 1;				\
+	    } || { echo "$(ME): the above test(s) call print_ver_ for"	\
+		    "program(s) they don't use" 1>&2; exit 1; }
+
+# Exempt the contents of any usage function from the following.
+_continued_string_col_1 = \
+s/^usage .*?\n}//ms;/\\\n\w/ and print ("$$ARGV\n"),$$e=1;END{$$e||=0;exit $$e}
+# Ding any source file that has a continued string with an alphabetic in the
+# first column of the following line.  We prohibit them because they usually
+# trigger false positives in tools that try to map an arbitrary line number
+# to the enclosing function name.  Of course, very many strings do precisely
+# this, *when they are part of the usage function*.  That is why we exempt
+# the contents of any function named "usage".
+sc_prohibit_continued_string_alpha_in_column_1:
+	@perl -0777 -ne '$(_continued_string_col_1)' \
+	    $$($(VC_LIST_EXCEPT) | grep '\.[ch]$$') \
+	  || { echo '$(ME): continued string with word in first column' \
+		1>&2; exit 1; } || :
+# Use this to list offending lines:
+# git ls-files |grep '\.[ch]$' | xargs \
+#   perl -n -0777 -e 's/^usage.*?\n}//ms;/\\\n\w/ and print "$ARGV\n"' \
+#     | xargs grep -A1 '\\$'|grep '\.[ch][:-][_a-zA-Z]'
+
+
+###########################################################
+_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 = \
+  (^ *\#|\\n\\$$|%s\(to %s|(date|group|character)\(s\))
+# 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
+
+# Similar to the gnulib maint.mk rule for sc_prohibit_strcmp
+# Use STREQ_LEN or STRPREFIX rather than comparing strncmp == 0, or != 0.
+sc_prohibit_strncmp:
+	@prohibit='^[^#].*str''ncmp *\('				\
+	halt='use STREQ_LEN or STRPREFIX instead of str''ncmp'		\
+	  $(_sc_search_regexp)
+
+# Enforce recommended preprocessor indentation style.
+sc_preprocessor_indentation:
+	@if cppi --version >/dev/null 2>&1; then			\
+	  $(VC_LIST_EXCEPT) | grep '\.[ch]$$' | xargs cppi -a -c	\
+	    || { echo '$(ME): incorrect preprocessor indentation' 1>&2;	\
+		exit 1; };						\
+	else								\
+	  echo '$(ME): skipping test $@: cppi not installed' 1>&2;	\
+	fi
+
+# THANKS.in is a list of name/email pairs for people who are mentioned in
+# commit logs (and generated ChangeLog), but who are not also listed as an
+# author of a commit.  Name/email pairs of commit authors are automatically
+# extracted from the repository.  As a very minor factorization, when
+# someone who was initially listed only in THANKS.in later authors a commit,
+# this rule detects that their pair may now be removed from THANKS.in.
+sc_THANKS_in_duplicates:
+	@{ git -C $(srcdir) log --pretty=format:%aN | sort -u;		\
+	    cut -b-36 $(srcdir)/THANKS.in				\
+	      | sed '/^$$/,/^$$/!d;/^$$/d;s/  *$$//'; }			\
+	  | sort | uniq -d | grep .					\
+	    && { echo '$(ME): remove the above names from THANKS.in'	\
+		  1>&2; exit 1; } || :
+
+# Ensure the contributor list stays sorted.  However, if the system's
+# en_US.UTF-8 locale data is erroneous, give a diagnostic and skip
+# this test.  This affects OS X, up to at least 10.11.6.
+# Use our sort as other implementations may result in a different order.
+sc_THANKS_in_sorted:
+	@printf 'a\n.b\n'|LC_ALL=en_US.UTF-8 src/sort -c 2> /dev/null	\
+	  && {								\
+	    sed '/^$$/,/^$$/!d;/^$$/d' $(srcdir)/THANKS.in > $@.1 &&	\
+	    LC_ALL=en_US.UTF-8 src/sort -f -k1,1 $@.1 > $@.2 &&		\
+	    diff -u $@.1 $@.2; diff=$$?;				\
+	    rm -f $@.1 $@.2;						\
+	    test "$$diff" = 0						\
+	      || { echo '$(ME): THANKS.in is unsorted' 1>&2; exit 1; };	\
+	    }								\
+	  || { echo '$(ME): this system has erroneous locale data;'	\
+		    'skipping $@' 1>&2; }
+
+# Look for developer diagnostics that are marked for translation.
+# This won't find any for which devmsg's format string is on a separate line.
+sc_marked_devdiagnostics:
+	@prohibit='\<devmsg *\(.*_\('                                   \
+	halt='found marked developer diagnostic(s)'                     \
+	  $(_sc_search_regexp)
+
+# Ensure we keep hex constants as 4 or 8 bytes for consistency
+# and so that make src/fs-magic-compare works consistently
+sc_fs-magic-compare:
+	@sed -n 's|.*/\* \(0x[0-9A-Fa-f]\{1,\}\) .*\*/|\1|p'		\
+	  $(srcdir)/src/stat.c | grep -Ev '^0x([0-9A-F]{4}){1,2}$$'	\
+	    && { echo '$(ME): Constants in src/stat.c should be 4 or 8' \
+		      'upper-case chars' 1>&2; exit 1; } || :
+
+# Ensure gnulib generated files are ignored
+# TODO: Perhaps augment gnulib-tool to do this in lib/.gitignore?
+sc_gitignore_missing:
+	@{ sed -n '/^\/lib\/.*\.h$$/{p;p}' $(srcdir)/.gitignore;	\
+	    find lib -name '*.in*' ! -name '*~' ! -name 'sys_*' |	\
+	      sed 's|^|/|; s|_\(.*in\.h\)|/\1|; s/\.in//'; } |		\
+	      sort | uniq -u | grep . && { echo '$(ME): Add above'	\
+		'entries to .gitignore' >&2; exit 1; } || :
+
+# Flag redundant entries in .gitignore
+# Disabled for now as too aggressive flagging
+# entries like /lib/arg-nonnull.h
+#sc_gitignore_redundant:
+#	@{ grep ^/lib $(srcdir)/.gitignore;				\
+#	   sed 's|^|/lib|' $(srcdir)/lib/.gitignore; } |		\
+#	    sort | uniq -d | grep . && { echo '$(ME): Remove above'	\
+#	      'entries from .gitignore' >&2; exit 1; } || :
+
+sc_prohibit-form-feed:
+	@prohibit=$$'\f' \
+	in_vc_files='\.[chly]$$' \
+	halt='Form Feed (^L) detected' \
+	  $(_sc_search_regexp)
+
+# Override the default Cc: used in generating an announcement.
+announcement_Cc_ = $(translation_project_), \
+  coreutils@gnu.org, coreutils-announce@gnu.org
+
+-include $(srcdir)/dist-check.mk
+
+update-copyright-env = \
+  UPDATE_COPYRIGHT_FORCE=1 \
+  UPDATE_COPYRIGHT_USE_INTERVALS=2 \
+  UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79
+
+# List syntax-check exemptions.
+exclude_file_name_regexp--sc_space_tab = \
+  ^(tests/pr/|tests/misc/nl\.sh$$|gl/.*\.diff$$|man/help2man$$)
+exclude_file_name_regexp--sc_bindtextdomain = \
+  ^(gl/.*|lib/euidaccess-stat|src/make-prime-list|src/cksum)\.c$$
+exclude_file_name_regexp--sc_trailing_blank = \
+  ^(tests/pr/|gl/.*\.diff$$|man/help2man)
+exclude_file_name_regexp--sc_system_h_headers = \
+  ^src/((die|system|copy|chown-core|find-mount-point)\.h|make-prime-list\.c)$$
+
+_src = (crctab|false|lbracket|ls-(dir|ls|vdir)|tac-pipe|uname-(arch|uname))
+_gl_src = (xdecto.max|cl-strtold)
+exclude_file_name_regexp--sc_require_config_h_first = \
+  (^lib/buffer-lcm\.c|gl/lib/$(_gl_src)\.c|src/$(_src)\.c)$$
+exclude_file_name_regexp--sc_require_config_h = \
+  $(exclude_file_name_regexp--sc_require_config_h_first)
+
+exclude_file_name_regexp--sc_po_check = ^(gl/|man/help2man)
+exclude_file_name_regexp--sc_prohibit_always-defined_macros = \
+  ^src/(seq|remove)\.c$$
+exclude_file_name_regexp--sc_prohibit_empty_lines_at_EOF = ^tests/pr/
+exclude_file_name_regexp--sc_program_name = \
+  ^(gl/.*|lib/euidaccess-stat|src/make-prime-list)\.c$$
+exclude_file_name_regexp--sc_file_system = \
+  NEWS|^(init\.cfg|src/df\.c|tests/df/df-P\.sh|tests/df/df-output\.sh)$$
+exclude_file_name_regexp--sc_prohibit_always_true_header_tests = \
+  ^m4/stat-prog\.m4$$
+exclude_file_name_regexp--sc_prohibit_fail_0 = \
+  (^.*/git-hooks/commit-msg|^tests/init\.sh|Makefile\.am|\.mk|.*\.texi)$$
+exclude_file_name_regexp--sc_prohibit_test_minus_ao = *\.texi$$
+exclude_file_name_regexp--sc_prohibit_atoi_atof = ^lib/euidaccess-stat\.c$$
+
+# longlong.h is maintained elsewhere.
+_ll = ^src/longlong\.h$$
+exclude_file_name_regexp--sc_useless_cpp_parens = $(_ll)
+exclude_file_name_regexp--sc_space_before_open_paren = $(_ll)
+
+tbi_1 = ^tests/pr/|(\.mk|^man/help2man)$$
+tbi_2 = ^scripts/git-hooks/(pre-commit|pre-applypatch|applypatch-msg)$$
+tbi_3 = (GNU)?[Mm]akefile(\.am)?$$|$(_ll)
+exclude_file_name_regexp--sc_prohibit_tab_based_indentation = \
+  $(tbi_1)|$(tbi_2)|$(tbi_3)
+
+exclude_file_name_regexp--sc_preprocessor_indentation = \
+  ^(gl/lib/rand-isaac\.[ch]|gl/tests/test-rand-isaac\.c)$$|$(_ll)
+exclude_file_name_regexp--sc_prohibit_stat_st_blocks = \
+  ^(src/system\.h|tests/du/2g\.sh)$$
+
+exclude_file_name_regexp--sc_prohibit_continued_string_alpha_in_column_1 = \
+  ^src/(system\.h|od\.c|printf\.c|getlimits\.c)$$
+
+exclude_file_name_regexp--sc_prohibit_test_backticks = \
+  ^tests/(local\.mk|(init|misc/stdbuf|factor/create-test)\.sh)$$
+
+# Exempt test.c, since it's nominally shared, and relatively static.
+exclude_file_name_regexp--sc_prohibit_operator_at_end_of_line = \
+  ^src/(ptx|test|head)\.c$$
+
+exclude_file_name_regexp--sc_error_message_uppercase = ^src/factor\.c$$
+exclude_file_name_regexp--sc_prohibit_atoi_atof = ^src/make-prime-list\.c$$
+
+# Exception here as we don't want __attribute elided on non GCC
+exclude_file_name_regexp--sc_prohibit-gl-attributes = ^src/libstdbuf\.c$$
+
+exclude_file_name_regexp--sc_prohibit_uppercase_id_est = \.diff$$
+exclude_file_name_regexp--sc_ensure_dblspace_after_dot_before_id_est = \.diff$$
+exclude_file_name_regexp--sc_ensure_comma_after_id_est = \.diff|$(_ll)$$
+exclude_file_name_regexp--sc_long_lines = \.diff$$|$(_ll)
+
+# Augment AM_CFLAGS to include our per-directory options:
+AM_CFLAGS += $($(@D)_CFLAGS)
+
+src_CFLAGS = $(WARN_CFLAGS)
+lib_CFLAGS = $(GNULIB_WARN_CFLAGS)
+gnulib-tests_CFLAGS = $(GNULIB_TEST_WARN_CFLAGS)
+
+# Configuration to make the tight-scope syntax-check rule work with
+# non-recursive make.
+# Note _gl_TS_headers use _single line_ extern function declarations,
+# while *_SOURCES use the _two line_ form.
+export _gl_TS_headers = $(noinst_HEADERS)
+# Add exceptions for --enable-single-binary renamed functions.
+_gl_TS_unmarked_extern_functions = main usage
+_gl_TS_unmarked_extern_functions += single_binary_main_.* _usage_.*
+# Headers to search for single line extern _data_ declarations.
+_gl_TS_other_headers = $(srcdir)/src/*.h src/*.h
+# Tell the tight_scope rule about an exceptional "extern" variable.
+# Normally, the rule would detect its declaration, but that uses a
+# different name, __clz_tab.
+_gl_TS_unmarked_extern_vars = factor_clz_tab
+# Other tight_scope settings
+_gl_TS_dir = .
+_gl_TS_obj_files = src/*.$(OBJEXT)