maint: sc_prohibit_fail_0: update a stale comment
[platform/upstream/coreutils.git] / cfg.mk
1 # Customize maint.mk                           -*- makefile -*-
2 # Copyright (C) 2003-2012 Free Software Foundation, Inc.
3
4 # This program is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation, either version 3 of the License, or
7 # (at your option) any later version.
8
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 # GNU General Public License for more details.
13
14 # You should have received a copy of the GNU General Public License
15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
16
17 # Used in maint.mk's web-manual rule
18 manual_title = Core GNU utilities
19
20 # Use the direct link.  This is guaranteed to work immediately, while
21 # it can take a while for the faster mirror links to become usable.
22 url_dir_list = http://ftp.gnu.org/gnu/$(PACKAGE)
23
24 # Tests not to run as part of "make distcheck".
25 local-checks-to-skip = \
26   sc_texinfo_acronym
27
28 # Tools used to bootstrap this package, used for "announcement".
29 bootstrap-tools = autoconf,automake,gnulib,bison
30
31 # Now that we have better tests, make this the default.
32 export VERBOSE = yes
33
34 # Comparing tarball sizes compressed using different xz presets, we see that
35 # an -8e-compressed tarball is only 9KiB larger than the -9e-compressed one.
36 # Using -8e is preferred, since that lets the decompression process use half
37 # the memory (32MiB rather than 64MiB).
38 # $ for i in {7,8,9}{e,}; do \
39 #     (n=$(xz -$i < coreutils-8.15*.tar|wc -c);echo $n $i) & done |sort -nr
40 # 5129388 7
41 # 5036524 7e
42 # 5017476 8
43 # 5010604 9
44 # 4923016 8e
45 # 4914152 9e
46 export XZ_OPT = -8e
47
48 old_NEWS_hash = 4f70c9ef883feff18d9d5f66a941f3a8
49
50 # Add an exemption for sc_makefile_at_at_check.
51 _makefile_at_at_check_exceptions = ' && !/^cu_install_program =/'
52
53 # Our help-version script is in a slightly different location.
54 _hv_file ?= $(srcdir)/tests/misc/help-version
55
56 # Ensure that the list of O_ symbols used to compute O_FULLBLOCK is complete.
57 dd = $(srcdir)/src/dd.c
58 sc_dd_O_FLAGS:
59         @rm -f $@.1 $@.2
60         @{ echo O_FULLBLOCK; echo O_NOCACHE;                            \
61           perl -nle '/^ +\| (O_\w*)$$/ and print $$1' $(dd); } | sort > $@.1
62         @{ echo O_NOFOLLOW; perl -nle '/{"[a-z]+",\s*(O_\w+)},/ and print $$1' \
63           $(dd); } | sort > $@.2
64         @diff -u $@.1 $@.2 || diff=1 || diff=;                          \
65         rm -f $@.1 $@.2;                                                \
66         test "$$diff"                                                   \
67           && { echo '$(ME): $(dd) has inconsistent O_ flag lists'>&2;   \
68                exit 1; } || :
69
70 # Ensure that dd's definition of LONGEST_SYMBOL stays in sync
71 # with the strings from the two affected variables.
72 dd_c = $(srcdir)/src/dd.c
73 sc_dd_max_sym_length:
74 ifneq ($(wildcard $(dd_c)),)
75         @len=$$( (sed -n '/conversions\[\] =$$/,/^};/p' $(dd_c);\
76                  sed -n '/flags\[\] =$$/,/^};/p' $(dd_c) )      \
77                 |sed -n '/"/s/^[^"]*"\([^"]*\)".*/\1/p'         \
78               | wc --max-line-length);                          \
79         max=$$(sed -n '/^#define LONGEST_SYMBOL /s///p' $(dd_c) \
80               |tr -d '"' | wc --max-line-length);               \
81         if test "$$len" = "$$max"; then :; else                 \
82           echo 'dd.c: LONGEST_SYMBOL is not longest' 1>&2;      \
83           exit 1;                                               \
84         fi
85 endif
86
87 # Many m4 macros names once began with 'jm_'.
88 # On 2004-04-13, they were all changed to start with gl_ instead.
89 # Make sure that none are inadvertently reintroduced.
90 sc_prohibit_jm_in_m4:
91         @grep -nE 'jm_[A-Z]'                                            \
92                 $$($(VC_LIST) m4 |grep '\.m4$$'; echo /dev/null) &&     \
93             { echo '$(ME): do not use jm_ in m4 macro names'            \
94               1>&2; exit 1; } || :
95
96 # Ensure that each root-requiring test is run via the "check-root" rule.
97 sc_root_tests:
98         @if test -d tests \
99               && grep check-root tests/Makefile.am>/dev/null 2>&1; then \
100         t1=sc-root.expected; t2=sc-root.actual;                         \
101         grep -nl '^ *require_root_$$'                                   \
102           $$($(VC_LIST) tests) |sed s,tests/,, |sort > $$t1;            \
103         sed -n '/^root_tests =[  ]*\\$$/,/[^\]$$/p'                     \
104           $(srcdir)/tests/Makefile.am                                   \
105             | sed 's/^  *//;/^root_tests =/d'                           \
106             | tr -s '\012\\' '  ' | fmt -1 | sort > $$t2;               \
107         diff -u $$t1 $$t2 || diff=1 || diff=;                           \
108         rm -f $$t1 $$t2;                                                \
109         test "$$diff"                                                   \
110           && { echo 'tests/Makefile.am: missing check-root action'>&2;  \
111                exit 1; } || :;                                          \
112         fi
113
114 # Create a list of regular expressions matching the names
115 # of files included from system.h.  Exclude a couple.
116 .re-list:
117         @sed -n '/^# *include /s///p' $(srcdir)/src/system.h \
118           | grep -Ev 'sys/(param|file)\.h' \
119           | sed 's/ .*//;;s/^["<]/^# *include [<"]/;s/\.h[">]$$/\\.h[">]/' \
120           > $@-t
121         @mv $@-t $@
122
123 define gl_trap_
124   Exit () { set +e; (exit $$1); exit $$1; };                            \
125   for sig in 1 2 3 13 15; do                                            \
126     eval "trap 'Exit $$(expr $$sig + 128)' $$sig";                      \
127   done
128 endef
129
130 # Files in src/ should not include directly any of
131 # the headers already included via system.h.
132 sc_system_h_headers: .re-list
133         @if test -f $(srcdir)/src/system.h; then                        \
134           trap 'rc=$$?; rm -f .re-list; exit $$rc' 0;                   \
135           $(gl_trap_);                                                  \
136           grep -nE -f .re-list                                          \
137               $$($(VC_LIST_EXCEPT) | grep '^\($(srcdir)/\)\?src/')      \
138             && { echo '$(ME): the above are already included via system.h'\
139                   1>&2;  exit 1; } || :;                                \
140         fi
141
142 sc_sun_os_names:
143         @grep -nEi \
144             'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
145             $$($(VC_LIST_EXCEPT)) &&                                    \
146           { echo '$(ME): found misuse of Sun OS version numbers' 1>&2;  \
147             exit 1; } || :
148
149 ALL_RECURSIVE_TARGETS += sc_check-AUTHORS
150 sc_check-AUTHORS:
151         @$(MAKE) -s -C src _sc_check-AUTHORS
152
153 # Look for lines longer than 80 characters, except omit:
154 # - program-generated long lines in diff headers,
155 # - tests involving long checksum lines, and
156 # - the 'pr' test cases.
157 LINE_LEN_MAX = 80
158 FILTER_LONG_LINES =                                             \
159   /^[^:]*\.diff:[^:]*:@@ / d;                                   \
160   \|^[^:]*tests/misc/sha[0-9]*sum[-:]| d;                       \
161   \|^[^:]*tests/pr/|{ \|^[^:]*tests/pr/pr-tests:| !d; };
162 sc_long_lines:
163         @files=$$($(VC_LIST_EXCEPT))                                    \
164         halt='line(s) with more than $(LINE_LEN_MAX) characters; reindent'; \
165         for file in $$files; do                                         \
166           expand $$file | grep -nE '^.{$(LINE_LEN_MAX)}.' |             \
167           sed -e "s|^|$$file:|" -e '$(FILTER_LONG_LINES)';              \
168         done | grep . && { msg="$$halt" $(_sc_say_and_exit) } || :
169
170 # Option descriptions should not start with a capital letter
171 # One could grep source directly as follows:
172 # grep -E " {2,6}-.*[^.]  [A-Z][a-z]" $$($(VC_LIST_EXCEPT) | grep '\.c$$')
173 # but that would miss descriptions not on the same line as the -option.
174 ALL_RECURSIVE_TARGETS += sc_option_desc_uppercase
175 sc_option_desc_uppercase:
176         @$(MAKE) -s -C src all_programs
177         @$(MAKE) -s -C man $@
178
179 # Ensure all man/*.[1x] files are present
180 ALL_RECURSIVE_TARGETS += sc_man_file_correlation
181 sc_man_file_correlation:
182         @$(MAKE) -s -C src all_programs
183         @$(MAKE) -s -C man $@
184
185 # Ensure that the end of each release's section is marked by two empty lines.
186 sc_NEWS_two_empty_lines:
187         @sed -n 4,/Noteworthy/p $(srcdir)/NEWS                          \
188             | perl -n0e '/(^|\n)\n\n\* Noteworthy/ or exit 1'           \
189           || { echo '$(ME): use two empty lines to separate NEWS sections' \
190                  1>&2; exit 1; } || :
191
192 # Perl-based tests used to exec perl from a #!/bin/sh script.
193 # Now they all start with #!/usr/bin/perl and the portability
194 # infrastructure is in tests/Makefile.am.  Make sure no old-style
195 # script sneaks back in.
196 sc_no_exec_perl_coreutils:
197         @if test -f $(srcdir)/tests/Coreutils.pm; then                  \
198           grep '^exec  *\$$PERL.*MCoreutils' $$($(VC_LIST) tests) &&    \
199             { echo 1>&2 '$(ME): found anachronistic Perl-based tests';  \
200               exit 1; } || :;                                           \
201         fi
202
203 # With split lines, don't leave an operator at end of line.
204 # Instead, put it on the following line, where it is more apparent.
205 # Don't bother checking for "*" at end of line, since it provokes
206 # far too many false positives, matching constructs like "TYPE *".
207 # Similarly, omit "=" (initializers).
208 binop_re_ ?= [-/+^!<>]|[-/+*^!<>=]=|&&?|\|\|?|<<=?|>>=?
209 sc_prohibit_operator_at_end_of_line:
210         @prohibit='. ($(binop_re_))$$'                                  \
211         in_vc_files='\.[chly]$$'                                        \
212         halt='found operator at end of line'                            \
213           $(_sc_search_regexp)
214
215 # Don't use "readlink" or "readlinkat" directly
216 sc_prohibit_readlink:
217         @prohibit='\<readlink(at)? \('                                  \
218         halt='do not use readlink(at); use via xreadlink or areadlink*' \
219           $(_sc_search_regexp)
220
221 # Don't use address of "stat" or "lstat" functions
222 sc_prohibit_stat_macro_address:
223         @prohibit='\<l?stat '':|&l?stat\>'                              \
224         halt='stat() and lstat() may be function-like macros'           \
225           $(_sc_search_regexp)
226
227 # Ensure that date's --help output stays in sync with the info
228 # documentation for GNU strftime.  The only exception is %N,
229 # which date accepts but GNU strftime does not.
230 extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/'
231 sc_strftime_check:
232         @if test -f $(srcdir)/src/date.c; then                          \
233           grep '^  %.  ' $(srcdir)/src/date.c | sort                    \
234             | $(extract_char) > $@-src;                                 \
235           { echo N;                                                     \
236             info libc date calendar format 2>/dev/null|grep '^    `%.'\'\
237               | $(extract_char); } | sort > $@-info;                    \
238           if test $$(stat --format %s $@-info) != 2; then               \
239             diff -u $@-src $@-info || exit 1;                           \
240           else                                                          \
241             echo '$(ME): skipping $@: libc info not installed' 1>&2;    \
242           fi;                                                           \
243           rm -f $@-src $@-info;                                         \
244         fi
245
246 # Indent only with spaces.
247 sc_prohibit_tab_based_indentation:
248         @prohibit='^ *  '                                               \
249         halt='TAB in indentation; use only spaces'                      \
250           $(_sc_search_regexp)
251
252 # The SEE ALSO section of a man page should not be terminated with
253 # a period.  Check the first line after each "SEE ALSO" line in man/*.x:
254 sc_prohibit_man_see_also_period:
255         @grep -nB1 '\.$$' $$($(VC_LIST_EXCEPT) | grep 'man/.*\.x$$')    \
256             | grep -A1 -e '-\[SEE ALSO\]' | grep '\.$$' &&              \
257           { echo '$(ME): do not end "SEE ALSO" section with a period'   \
258               1>&2; exit 1; } || :
259
260 # Don't use "indent-tabs-mode: nil" anymore.  No longer needed.
261 sc_prohibit_emacs__indent_tabs_mode__setting:
262         @prohibit='^( *[*#] *)?indent-tabs-mode:'                       \
263         halt='use of emacs indent-tabs-mode: setting'                   \
264           $(_sc_search_regexp)
265
266 # Ensure that tests don't include a redundant fail=0.
267 sc_prohibit_fail_0:
268         @prohibit='\<fail=0\>'                                          \
269         halt='fail=0 initialization'                                    \
270           $(_sc_search_regexp)
271
272 # The mode part of a setfacl -m option argument must be three bytes long.
273 # I.e., an argument of user:bin:rw or user:bin:r will make Solaris 10's
274 # setfacl reject it with: "Unrecognized character found in mode field".
275 # Use hyphens to give it a length of 3: "...:rw-" or "...:r--".
276 sc_prohibit_short_facl_mode_spec:
277         @prohibit='\<setfacl .*-m.*:.*:[rwx-]{1,2} '                    \
278         halt='setfacl mode string length < 3; extend with hyphen(s)'    \
279           $(_sc_search_regexp)
280
281 # Ensure that "stdio--.h" is used where appropriate.
282 sc_require_stdio_safer:
283         @if $(VC_LIST_EXCEPT) | grep -l '\.[ch]$$' > /dev/null; then    \
284           files=$$(grep -l '\bfreopen \?(' $$($(VC_LIST_EXCEPT)         \
285               | grep '\.[ch]$$'));                                      \
286           test -n "$$files" && grep -LE 'include "stdio--.h"' $$files   \
287               | grep . &&                                               \
288           { echo '$(ME): the above files should use "stdio--.h"'        \
289                 1>&2; exit 1; } || :;                                   \
290         else :;                                                         \
291         fi
292
293 sc_prohibit_perl_hash_quotes:
294         @prohibit="\{'[A-Z_]+' *[=}]"                                   \
295         halt="in Perl code, write \$$hash{KEY}, not \$$hash{'K''EY'}"   \
296           $(_sc_search_regexp)
297
298 # Prefer xnanosleep over other less-precise sleep methods
299 sc_prohibit_sleep:
300         @prohibit='\<(nano|u)?sleep \('                                 \
301         halt='prefer xnanosleep over other sleep interfaces'            \
302           $(_sc_search_regexp)
303
304 # Use print_ver_ (from init.cfg), not open-coded $VERBOSE check.
305 sc_prohibit_verbose_version:
306         @prohibit='test "\$$VERBOSE" = yes && .* --version'             \
307         halt='use the print_ver_ function instead...'                   \
308           $(_sc_search_regexp)
309
310 # Use framework_failure_, not the old name without the trailing underscore.
311 sc_prohibit_framework_failure:
312         @prohibit='\<framework_''failure\>'                             \
313         halt='use framework_failure_ instead'                           \
314           $(_sc_search_regexp)
315
316 # Prohibit the use of `...` in tests/.  Use $(...) instead.
317 sc_prohibit_test_backticks:
318         @prohibit='`' in_vc_files='^tests/'                             \
319         halt='use $$(...), not `...` in tests/'                         \
320           $(_sc_search_regexp)
321
322 # Exempt the contents of any usage function from the following.
323 _continued_string_col_1 = \
324 s/^usage .*?\n}//ms;/\\\n\w/ and print ("$$ARGV\n"),$$e=1;END{$$e||=0;exit $$e}
325 # Ding any source file that has a continued string with an alphabetic in the
326 # first column of the following line.  We prohibit them because they usually
327 # trigger false positives in tools that try to map an arbitrary line number
328 # to the enclosing function name.  Of course, very many strings do precisely
329 # this, *when they are part of the usage function*.  That is why we exempt
330 # the contents of any function named "usage".
331 sc_prohibit_continued_string_alpha_in_column_1:
332         @perl -0777 -ne '$(_continued_string_col_1)' \
333             $$($(VC_LIST_EXCEPT) | grep '\.[ch]$$') \
334           || { echo '$(ME): continued string with word in first column' \
335                 1>&2; exit 1; } || :
336 # Use this to list offending lines:
337 # git ls-files |grep '\.[ch]$' | xargs \
338 #   perl -n -0777 -e 's/^usage.*?\n}//ms;/\\\n\w/ and print "$ARGV\n"' \
339 #     | xargs grep -A1 '\\$'|grep '\.[ch][:-][_a-zA-Z]'
340
341
342 ###########################################################
343 _p0 = \([^"'/]\|"\([^\"]\|[\].\)*"\|'\([^\']\|[\].\)*'
344 _pre = $(_p0)\|[/][^"'/*]\|[/]"\([^\"]\|[\].\)*"\|[/]'\([^\']\|[\].\)*'\)*
345 _pre_anchored = ^\($(_pre)\)
346 _comment_and_close = [^*]\|[*][^/*]\)*[*][*]*/
347 # help font-lock mode: '
348
349 # A sed expression that removes ANSI C and ISO C99 comments.
350 # Derived from the one in GNU gettext's 'moopp' preprocessor.
351 _sed_remove_comments =                                  \
352 /[/][/*]/{                                              \
353   ta;                                                   \
354   :a;                                                   \
355   s,$(_pre_anchored)//.*,\1,;                           \
356   te;                                                   \
357   s,$(_pre_anchored)/[*]\($(_comment_and_close),\1 ,;   \
358   ta;                                                   \
359   /^$(_pre)[/][*]/{                                     \
360     s,$(_pre_anchored)/[*].*,\1 ,;                      \
361     tu;                                                 \
362     :u;                                                 \
363     n;                                                  \
364     s,^\($(_comment_and_close),,;                       \
365     tv;                                                 \
366     s,^.*$$,,;                                          \
367     bu;                                                 \
368     :v;                                                 \
369   };                                                    \
370   :e;                                                   \
371 }
372 # Quote all single quotes.
373 _sed_rm_comments_q = $(subst ','\'',$(_sed_remove_comments))
374 # help font-lock mode: '
375
376 _space_before_paren_exempt =? \\n\\$$
377 _space_before_paren_exempt = \
378   (^ *\#|\\n\\$$|%s\(to %s|(date|group|character)\(s\))
379 # Ensure that there is a space before each open parenthesis in C code.
380 sc_space_before_open_paren:
381         @if $(VC_LIST_EXCEPT) | grep -l '\.[ch]$$' > /dev/null; then    \
382           fail=0;                                                       \
383           for c in $$($(VC_LIST_EXCEPT) | grep '\.[ch]$$'); do          \
384             sed '$(_sed_rm_comments_q)' $$c 2>/dev/null                 \
385               | grep -i '[[:alnum:]]('                                  \
386               | grep -vE '$(_space_before_paren_exempt)'                \
387               | grep . && { fail=1; echo "*** $$c"; };                  \
388           done;                                                         \
389           test $$fail = 1 &&                                            \
390             { echo '$(ME): the above files lack a space-before-open-paren' \
391                 1>&2; exit 1; } || :;                                   \
392         else :;                                                         \
393         fi
394
395 # Similar to the gnulib maint.mk rule for sc_prohibit_strcmp
396 # Use STREQ_LEN or STRPREFIX rather than comparing strncmp == 0, or != 0.
397 sc_prohibit_strncmp:
398         @grep -nE '! *str''ncmp *\(|\<str''ncmp *\(.+\) *[!=]='         \
399             $$($(VC_LIST_EXCEPT))                                       \
400           | grep -vE ':# *define STR(N?EQ_LEN|PREFIX)\(' &&             \
401           { echo '$(ME): use STREQ_LEN or STRPREFIX instead of str''ncmp' \
402                 1>&2; exit 1; } || :
403
404 # Enforce recommended preprocessor indentation style.
405 sc_preprocessor_indentation:
406         @if cppi --version >/dev/null 2>&1; then                        \
407           $(VC_LIST_EXCEPT) | grep '\.[ch]$$' | xargs cppi -a -c        \
408             || { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
409                 exit 1; };                                              \
410         else                                                            \
411           echo '$(ME): skipping test $@: cppi not installed' 1>&2;      \
412         fi
413
414 # THANKS.in is a list of name/email pairs for people who are mentioned in
415 # commit logs (and generated ChangeLog), but who are not also listed as an
416 # author of a commit.  Name/email pairs of commit authors are automatically
417 # extracted from the repository.  As a very minor factorization, when
418 # someone who was initially listed only in THANKS.in later authors a commit,
419 # this rule detects that their pair may now be removed from THANKS.in.
420 sc_THANKS_in_duplicates:
421         @{ git log --pretty=format:%aN | sort -u;                       \
422             cut -b-36 THANKS.in | sed '/^$$/d;s/  *$$//'; }             \
423           | sort | uniq -d | grep .                                     \
424             && { echo '$(ME): remove the above names from THANKS.in'    \
425                   1>&2; exit 1; } || :
426
427 # Override the default Cc: used in generating an announcement.
428 announcement_Cc_ = $(translation_project_), \
429   coreutils@gnu.org, coreutils-announce@gnu.org
430
431 -include $(srcdir)/dist-check.mk
432
433 update-copyright-env = \
434   UPDATE_COPYRIGHT_FORCE=1 \
435   UPDATE_COPYRIGHT_USE_INTERVALS=2 \
436   UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79
437
438 # List syntax-check exemptions.
439 exclude_file_name_regexp--sc_space_tab = \
440   ^(tests/pr/|tests/misc/nl$$|gl/.*\.diff$$)
441 exclude_file_name_regexp--sc_bindtextdomain = ^(gl/.*|lib/euidaccess-stat)\.c$$
442 exclude_file_name_regexp--sc_unmarked_diagnostics =    ^build-aux/cvsu$$
443 exclude_file_name_regexp--sc_error_message_uppercase = ^build-aux/cvsu$$
444 exclude_file_name_regexp--sc_trailing_blank = ^tests/pr/
445 exclude_file_name_regexp--sc_system_h_headers = \
446   ^src/((system|copy)\.h|libstdbuf\.c)$$
447
448 _src = (false|lbracket|ls-(dir|ls|vdir)|tac-pipe|uname-(arch|uname))
449 exclude_file_name_regexp--sc_require_config_h_first = \
450   (^lib/buffer-lcm\.c|src/$(_src)\.c)$$
451 exclude_file_name_regexp--sc_require_config_h = \
452   $(exclude_file_name_regexp--sc_require_config_h_first)
453
454 exclude_file_name_regexp--sc_po_check = ^gl/
455 exclude_file_name_regexp--sc_prohibit_always-defined_macros = \
456   ^src/(seq|remove)\.c$$
457 exclude_file_name_regexp--sc_prohibit_empty_lines_at_EOF = ^tests/pr/
458 exclude_file_name_regexp--sc_program_name = ^(gl/.*|lib/euidaccess-stat)\.c$$
459 exclude_file_name_regexp--sc_file_system = \
460   NEWS|^(tests/init\.cfg|src/df\.c|tests/misc/df-P)$$
461 exclude_file_name_regexp--sc_prohibit_always_true_header_tests = \
462   ^m4/stat-prog\.m4$$
463 exclude_file_name_regexp--sc_prohibit_fail_0 = \
464   (^.*/git-hooks/commit-msg|^tests/init\.sh|Makefile\.am|\.mk|.*\.texi)$$
465 exclude_file_name_regexp--sc_prohibit_atoi_atof = ^lib/euidaccess-stat\.c$$
466
467 tbi_1 = ^tests/pr/|(^gl/lib/reg.*\.c\.diff|Makefile(\.am)?|\.mk|^man/help2man)$$
468 tbi_2 = ^scripts/git-hooks/(pre-commit|pre-applypatch|applypatch-msg)$$
469 exclude_file_name_regexp--sc_prohibit_tab_based_indentation = \
470   $(tbi_1)|$(tbi_2)
471
472 exclude_file_name_regexp--sc_preprocessor_indentation = \
473   ^(gl/lib/rand-isaac\.[ch]|gl/tests/test-rand-isaac\.c)$$
474 exclude_file_name_regexp--sc_prohibit_stat_st_blocks = \
475   ^(src/system\.h|tests/du/2g)$$
476
477 exclude_file_name_regexp--sc_prohibit_continued_string_alpha_in_column_1 = \
478   ^src/(system\.h|od\.c|printf\.c)$$
479
480 exclude_file_name_regexp--sc_prohibit_test_backticks = \
481   ^tests/(init\.sh|check\.mk|misc/stdbuf)$$
482
483 # Exempt test.c, since it's nominally shared, and relatively static.
484 exclude_file_name_regexp--sc_prohibit_operator_at_end_of_line = \
485   ^src/(ptx|test|head)\.c$$
486
487 # Exempt pinky and who: their uses of this function appear to be correct.
488 exclude_file_name_regexp--sc_prohibit_strncpy = ^src/(pinky|who)\.c$$