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# Customize maint.mk -*- makefile -*-
# Copyright (C) 2003-2018 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/.*$$
# Tests not to run as part of "make distcheck".
local-checks-to-skip = \
sc_proper_name_utf8_requires_ICONV
# Tools used to bootstrap this package, used for "announcement".
bootstrap-tools = autoconf,automake,gnulib,bison
# Now that we have better tests, make this the default.
export VERBOSE = yes
# Comparing tarball sizes compressed using different xz presets, we see that
# an -8e-compressed tarball is only 9KiB larger than the -9e-compressed one.
# Using -8e is preferred, since that lets the decompression process use half
# the memory (32MiB rather than 64MiB).
# $ for i in {7,8,9}{e,}; do \
# (n=$(xz -$i < coreutils-8.15*.tar|wc -c);echo $n $i) & done |sort -nr
# 5129388 7
# 5036524 7e
# 5017476 8
# 5010604 9
# 4923016 8e
# 4914152 9e
export XZ_OPT = -8e
old_NEWS_hash = 48668bce5e01bf434b1d1ff10d141884
# Add an exemption for sc_makefile_at_at_check.
_makefile_at_at_check_exceptions = ' && !/^cu_install_prog/ && !/dynamic-dep/'
# Our help-version script is in a slightly different location.
_hv_file ?= $(srcdir)/tests/misc/help-version
# Ensure that the list of O_ symbols used to compute O_FULLBLOCK is complete.
dd = $(srcdir)/src/dd.c
sc_dd_O_FLAGS:
@rm -f $@.1 $@.2
@{ echo O_FULLBLOCK; echo O_NOCACHE; \
perl -nle '/^ +\| (O_\w*)$$/ 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; \
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 $(srcdir)/tests && GIT_PAGER= git grep -n ': *>.*||' \
&& { echo '$(ME): '"The leading colon in :> will hide errors" 1>&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 '^\($(srcdir)/\)\?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 following arguments.
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 \(.*_(FAILURE|INVALID)' \
&& { 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$$' \
halt='Unstyled diagnostic quoting detected' \
$(_sc_search_regexp)
sc_sun_os_names:
@grep -nEi \
'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
$$($(VC_LIST_EXCEPT)) && \
{ echo '$(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]$$' \
halt='Use _GL... attribute macros' \
$(_sc_search_regexp)
# Look for lines longer than 80 characters, except omit:
# - urls
# - the help2man script copied from upstream,
# - tests involving long checksum lines, and
# - the 'pr' test cases.
FILTER_LONG_LINES = \
\|^[^:]*NEWS:.*https\{,1\}://| d; \
\|^[^:]*man/help2man:| d; \
\|^[^:]*tests/misc/sha[0-9]*sum.*\.pl[-:]| d; \
\|^[^:]*tests/pr/|{ \|^[^:]*tests/pr/pr-tests:| !d; };
sc_long_lines:
@wc -L /dev/null >/dev/null 2>/dev/null \
|| { echo "$@: skipping: wc -L not supported"; exit 0; }; \
sed -r 1q /dev/null 2>/dev/null \
|| { echo "$@: skipping: sed -r not supported"; exit 0; }; \
files=$$($(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 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 "readlink" or "readlinkat" directly
sc_prohibit_readlink:
@prohibit='\<readlink(at)? \(' \
halt='do not use readlink(at); use via xreadlink or areadlink*' \
$(_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.
extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/'
sc_strftime_check:
@if test -f $(srcdir)/src/date.c; then \
grep '^ %. ' $(srcdir)/src/date.c | sort \
| $(extract_char) > $@-src; \
{ echo N; echo q; \
info libc date calendar format 2>/dev/null \
| grep "^ *['\`]%.'$$"| $(extract_char); }| sort >$@-info;\
if test $$(stat --format %s $@-info) != 2; then \
diff -u $@-src $@-info || exit 1; \
else \
echo '$(ME): skipping $@: libc info not installed' 1>&2; \
fi; \
rm -f $@-src $@-info; \
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 '\.$$' && \
{ echo '$(ME): do not end "SEE ALSO" section with a period' \
1>&2; exit 1; } || :
# Don't use "indent-tabs-mode: nil" anymore. No longer needed.
sc_prohibit_emacs__indent_tabs_mode__setting:
@prohibit='^( *[*#] *)?indent-tabs-mode:' \
halt='use of emacs indent-tabs-mode: setting' \
$(_sc_search_regexp)
# Ensure that tests don't include a redundant fail=0.
sc_prohibit_fail_0:
@prohibit='\<fail=0\>' \
halt='fail=0 initialization' \
$(_sc_search_regexp)
# Ensure that tests don't use `cmd ... && fail=1` as that hides crashes.
# The "exclude" expression allows common idioms like `test ... && fail=1`
# and the 2>... portion allows commands that redirect stderr and so probably
# independently check its contents and thus detect any crash messages.
sc_prohibit_and_fail_1:
@prohibit='&& fail=1' \
exclude='(returns_|stat|kill|test |EGREP|grep|compare|2> *[^/])' \
halt='&& fail=1 detected. Please use: returns_ 1 ... || fail=1' \
in_vc_files='^tests/' \
$(_sc_search_regexp)
# Ensure that env vars are not passed through returns_ as
# that was seen to fail on FreeBSD /bin/sh at least
sc_prohibit_env_returns:
@prohibit='=[^ ]* returns_ ' \
exclude='_ returns_ ' \
halt='Passing env vars to returns_ is non portable' \
in_vc_files='^tests/' \
$(_sc_search_regexp)
# The mode part of a setfacl -m option argument must be three bytes long.
# I.e., an argument of user:bin:rw or user:bin:r will make Solaris 10's
# setfacl reject it with: "Unrecognized character found in mode field".
# Use hyphens to give it a length of 3: "...:rw-" or "...:r--".
sc_prohibit_short_facl_mode_spec:
@prohibit='\<setfacl .*-m.*:.*:[rwx-]{1,2} ' \
halt='setfacl mode string length < 3; extend with hyphen(s)' \
$(_sc_search_regexp)
# Ensure that "stdio--.h" is used where appropriate.
sc_require_stdio_safer:
@if $(VC_LIST_EXCEPT) | grep -l '\.[ch]$$' > /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 $$(...), not `...` in tests/' \
$(_sc_search_regexp)
# Ensure that compare is used to check empty files
# so that the unexpected contents are displayed
sc_prohibit_test_empty:
@prohibit='test -s.*&&' in_vc_files='^tests/' \
halt='use `compare /dev/null ...`, not `test -s ...` in tests/' \
$(_sc_search_regexp)
# Ensure that expr doesn't work directly on various unsigned int types,
# as that's not generally supported without GMP.
sc_prohibit_expr_unsigned:
@prohibit='expr .*(UINT|ULONG|[^S]SIZE|[UGP]ID|UINTMAX)' \
halt='avoid passing unsigned limits to `expr` (without GMP)' \
in_vc_files='^tests/' \
$(_sc_search_regexp)
# Programs like sort, ls, expr use PROG_FAILURE in place of EXIT_FAILURE.
# Others, use the EXIT_CANCELED, EXIT_ENOENT, etc. macros defined in system.h.
# In those programs, ensure that EXIT_FAILURE is not used by mistake.
sc_some_programs_must_avoid_exit_failure:
@grep -nw EXIT_FAILURE \
$$(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 grep -l get_min_ulimit_v_ $(srcdir)/tests; \
git grep -l 'ulimit -v' $(srcdir)/tests) \
| sort | uniq -u | grep . && { echo "$(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 grep -El '( &$$|&[^&]*=\$$!)' $(srcdir)/tests; \
git grep -l 'cleanup_()' $(srcdir)/tests | sed p) \
| sort | uniq -u | grep . && { echo "$(ME): the above test(s)"\
" should use cleanup_ for background processes" 1>&2; exit 1; } || :
# Ensure that tests call the print_ver_ function for programs which are
# actually used in that test.
sc_prohibit_test_calls_print_ver_with_irrelevant_argument:
@git grep -w print_ver_ $(srcdir)/tests \
| sed 's#:print_ver_##' \
| { fail=0; \
while read file name; do \
for i in $$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]$$' | xargs cppi -a -c \
|| { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
exit 1; }; \
else \
echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
fi
# THANKS.in is a list of name/email pairs for people who are mentioned in
# commit logs (and generated ChangeLog), but who are not also listed as an
# author of a commit. Name/email pairs of commit authors are automatically
# extracted from the repository. As a very minor factorization, when
# someone who was initially listed only in THANKS.in later authors a commit,
# this rule detects that their pair may now be removed from THANKS.in.
sc_THANKS_in_duplicates:
@{ git log --pretty=format:%aN | sort -u; \
cut -b-36 $(srcdir)/THANKS.in \
| sed '/^$$/,/^$$/!d;/^$$/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$$)
exclude_file_name_regexp--sc_bindtextdomain = \
^(gl/.*|lib/euidaccess-stat|src/make-prime-list)\.c$$
exclude_file_name_regexp--sc_trailing_blank = \
^(tests/pr/|gl/.*\.diff$$|man/help2man)
exclude_file_name_regexp--sc_system_h_headers = \
^src/((die|system|copy)\.h|make-prime-list\.c)$$
_src = (false|lbracket|ls-(dir|ls|vdir)|tac-pipe|uname-(arch|uname))
exclude_file_name_regexp--sc_require_config_h_first = \
(^lib/buffer-lcm\.c|gl/lib/xdecto.max\.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)
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