cfg.mk

   1 # Customize maint.mk                           -*- makefile -*-
   2 # Copyright (C) 2003-2010 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 # Tests not to run as part of "make distcheck".
  21 local-checks-to-skip =
  22
  23 # Tools used to bootstrap this package, used for "announcement".
  24 bootstrap-tools = autoconf,automake,gnulib,bison
  25
  26 # Now that we have better tests, make this the default.
  27 export VERBOSE = yes
  28
  29 old_NEWS_hash = 67237f9a765e6e1af0cb89e428ed2663
  30
  31 # Ensure that the list of O_ symbols used to compute O_FULLBLOCK is complete.
  32 dd = $(srcdir)/src/dd.c
  33 sc_dd_O_FLAGS:
  34         @rm -f $@.1 $@.2
  35         @{ echo O_FULLBLOCK; perl -nle '/^ +\| (O_\w*)$$/ and print $$1' \
  36           $(dd); } | sort > $@.1
  37         @{ echo O_NOFOLLOW; perl -nle '/{"[a-z]+",\s*(O_\w+)},/ and print $$1' \
  38           $(dd); } | sort > $@.2
  39         @diff -u $@.1 $@.2 || diff=1 || diff=;                          \
  40         rm -f $@.1 $@.2;                                                \
  41         test "$$diff"                                                   \
  42           && { echo '$(ME): $(dd) has inconsistent O_ flag lists'>&2;   \
  43                exit 1; } || :
  44
  45 # Ensure that dd's definition of LONGEST_SYMBOL stays in sync
  46 # with the strings from the two affected variables.
  47 dd_c = $(srcdir)/src/dd.c
  48 sc_dd_max_sym_length:
  49 ifneq ($(wildcard $(dd_c)),)
  50         @len=$$( (sed -n '/conversions\[\] =$$/,/^};/p' $(dd_c);\
  51                  sed -n '/flags\[\] =$$/,/^};/p' $(dd_c) )      \
  52                 |sed -n '/"/s/^[^"]*"\([^"]*\)".*/\1/p'         \
  53               | wc --max-line-length);                          \
  54         max=$$(sed -n '/^#define LONGEST_SYMBOL /s///p' $(dd_c) \
  55               |tr -d '"' | wc --max-line-length);               \
  56         if test "$$len" = "$$max"; then :; else                 \
  57           echo 'dd.c: LONGEST_SYMBOL is not longest' 1>&2;      \
  58           exit 1;                                               \
  59         fi
  60 endif
  61
  62 # Many m4 macros names once began with `jm_'.
  63 # On 2004-04-13, they were all changed to start with gl_ instead.
  64 # Make sure that none are inadvertently reintroduced.
  65 sc_prohibit_jm_in_m4:
  66         @grep -nE 'jm_[A-Z]'                                            \
  67                 $$($(VC_LIST) m4 |grep '\.m4$$'; echo /dev/null) &&     \
  68             { echo '$(ME): do not use jm_ in m4 macro names'            \
  69               1>&2; exit 1; } || :
  70
  71 # Ensure that each root-requiring test is run via the "check-root" rule.
  72 sc_root_tests:
  73         @if test -d tests \
  74               && grep check-root tests/Makefile.am>/dev/null 2>&1; then \
  75         t1=sc-root.expected; t2=sc-root.actual;                         \
  76         grep -nl '^require_root_$$'                                     \
  77           $$($(VC_LIST) tests) |sed s,tests/,, |sort > $$t1;            \
  78         sed -n '/^root_tests =[  ]*\\$$/,/[^\]$$/p'                     \
  79           $(srcdir)/tests/Makefile.am                                   \
  80             | sed 's/^  *//;/^root_tests =/d'                           \
  81             | tr -s '\012\\' '  ' | fmt -1 | sort > $$t2;               \
  82         diff -u $$t1 $$t2 || diff=1 || diff=;                           \
  83         rm -f $$t1 $$t2;                                                \
  84         test "$$diff"                                                   \
  85           && { echo 'tests/Makefile.am: missing check-root action'>&2;  \
  86                exit 1; } || :;                                          \
  87         fi
  88
  89 # Ensure that the syntax_check_exceptions file list in Makefile.am
  90 # stays in sync with corresponding files in the repository.
  91 sce = syntax_check_exceptions
  92 sc_x_sc_dist_check:
  93         @test "$$( ($(VC_LIST) | sed -n '/^.x-sc_/p';                   \
  94                    sed -n '/^$(sce) =[   ]*\\$$/,/[^\]$$/p'             \
  95                      $(srcdir)/Makefile.am                              \
  96                        | sed 's/^  *//;/^$(sce) =/d'                    \
  97                        | tr -s '\012\\' '  ' | fmt -1                   \
  98                    ) | sort | uniq -u)"                                 \
  99           && { echo 'Makefile.am: $(sce) mismatch' >&2; exit 1; } || :;
 100
 101 headers_with_interesting_macro_defs = \
 102   exit.h        \
 103   fcntl_.h      \
 104   fnmatch_.h    \
 105   intprops.h    \
 106   inttypes_.h   \
 107   lchown.h      \
 108   openat.h      \
 109   stat-macros.h \
 110   stdint_.h
 111
 112 # Create a list of regular expressions matching the names
 113 # of macros that are guaranteed by parts of gnulib to be defined.
 114 .re-defmac:
 115         @(cd $(srcdir)/lib;                                             \
 116           for f in $(headers_with_interesting_macro_defs); do           \
 117             test -f $$f &&                                              \
 118               sed -n '/^# *define \([^_ (][^ (]*\)[ (].*/s//\1/p' $$f;  \
 119            done;                                                        \
 120          ) | sort -u                                                    \
 121            | grep -Ev 'ATTRIBUTE_NORETURN|SIZE_MAX'                     \
 122            | sed 's/^/^# *define /'                                     \
 123           > $@-t
 124         @mv $@-t $@
 125
 126 # Don't define macros that we already get from gnulib header files.
 127 sc_always_defined_macros: .re-defmac
 128         @if test -f $(srcdir)/src/system.h; then                        \
 129           trap 'rc=$$?; rm -f .re-defmac; exit $$rc' 0 1 2 3 15;        \
 130           grep -f .re-defmac $$($(VC_LIST))                             \
 131             && { echo '$(ME): define the above via some gnulib .h file' \
 132                   1>&2;  exit 1; } || :;                                \
 133         fi
 134
 135 # Create a list of regular expressions matching the names
 136 # of files included from system.h.  Exclude a couple.
 137 .re-list:
 138         @sed -n '/^# *include /s///p' $(srcdir)/src/system.h \
 139           | grep -Ev 'sys/(param|file)\.h' \
 140           | sed 's/ .*//;;s/^["<]/^# *include [<"]/;s/\.h[">]$$/\\.h[">]/' \
 141           > $@-t
 142         @mv $@-t $@
 143
 144 # Files in src/ should not include directly any of
 145 # the headers already included via system.h.
 146 sc_system_h_headers: .re-list
 147         @if test -f $(srcdir)/src/system.h; then                        \
 148           trap 'rc=$$?; rm -f .re-list; exit $$rc' 0 1 2 3 15;          \
 149           grep -nE -f .re-list                                          \
 150               $$($(VC_LIST_EXCEPT) | grep '^src/')                      \
 151             && { echo '$(ME): the above are already included via system.h'\
 152                   1>&2;  exit 1; } || :;                                \
 153         fi
 154
 155 sc_sun_os_names:
 156         @grep -nEi \
 157             'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
 158             $$($(VC_LIST_EXCEPT)) &&                                    \
 159           { echo '$(ME): found misuse of Sun OS version numbers' 1>&2;  \
 160             exit 1; } || :
 161
 162 ALL_RECURSIVE_TARGETS += sc_tight_scope
 163 sc_tight_scope:
 164         @$(MAKE) -C src $@
 165
 166 ALL_RECURSIVE_TARGETS += sc_check-AUTHORS
 167 sc_check-AUTHORS:
 168         @$(MAKE) -C src $@
 169
 170 # Perl-based tests used to exec perl from a #!/bin/sh script.
 171 # Now they all start with #!/usr/bin/perl and the portability
 172 # infrastructure is in tests/Makefile.am.  Make sure no old-style
 173 # script sneaks back in.
 174 sc_no_exec_perl_coreutils:
 175         @if test -f $(srcdir)/tests/Coreutils.pm; then                  \
 176           grep '^exec  *\$$PERL.*MCoreutils' $$($(VC_LIST) tests) &&    \
 177             { echo 1>&2 '$(ME): found anachronistic Perl-based tests';  \
 178               exit 1; } || :;                                           \
 179         fi
 180
 181 # Don't use "readlink" or "readlinkat" directly
 182 sc_prohibit_readlink:
 183         @re='\<readlink(at)? \('                                        \
 184         msg='do not use readlink(at); use via xreadlink or areadlink*'  \
 185           $(_prohibit_regexp)
 186
 187 # Don't use address of "stat" or "lstat" functions
 188 sc_prohibit_stat_macro_address:
 189         @re='\<l?stat '':|&l?stat\>'                                    \
 190         msg='stat() and lstat() may be function-like macros'            \
 191           $(_prohibit_regexp)
 192
 193 # Ensure that date's --help output stays in sync with the info
 194 # documentation for GNU strftime.  The only exception is %N,
 195 # which date accepts but GNU strftime does not.
 196 extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/'
 197 sc_strftime_check:
 198         @if test -f $(srcdir)/src/date.c; then                          \
 199           grep '^  %.  ' $(srcdir)/src/date.c | sort                    \
 200             | $(extract_char) > $@-src;                                 \
 201           { echo N;                                                     \
 202             info libc date calendar format | grep '^    `%.'\'          \
 203               | $(extract_char); } | sort > $@-info;                    \
 204           diff -u $@-src $@-info || exit 1;                             \
 205           rm -f $@-src $@-info;                                         \
 206         fi
 207
 208 # Indent only with spaces.
 209 sc_prohibit_tab_based_indentation:
 210         @re='^ *        '                                               \
 211         msg='TAB in indentation; use only spaces'                       \
 212           $(_prohibit_regexp)
 213
 214 # Don't use "indent-tabs-mode: nil" anymore.  No longer needed.
 215 sc_prohibit_emacs__indent_tabs_mode__setting:
 216         @re='^( *[*#] *)?indent-tabs-mode:'                             \
 217         msg='use of emacs indent-tabs-mode: setting'                    \
 218           $(_prohibit_regexp)
 219
 220 # Ensure that each file that contains fail=1 also contains fail=0.
 221 # Otherwise, setting file=1 in the environment would make tests fail unexpectedly.
 222 sc_prohibit_fail_0:
 223         @re='\<fail=0\>'                                                \
 224         msg='fail=0 initialization'                                     \
 225           $(_prohibit_regexp)
 226
 227 # Ensure that "stdio--.h" is used where appropriate.
 228 sc_require_stdio_safer:
 229         @if $(VC_LIST_EXCEPT) | grep -l '\.[ch]$$' > /dev/null; then    \
 230           files=$$(grep -l '\bfreopen \?(' $$($(VC_LIST_EXCEPT)         \
 231               | grep '\.[ch]$$'));                                      \
 232           test -n "$$files" && grep -LE 'include "stdio--.h"' $$files   \
 233               | grep . &&                                               \
 234           { echo '$(ME): the above files should use "stdio--.h"'        \
 235                 1>&2; exit 1; } || :;                                   \
 236         else :;                                                         \
 237         fi
 238
 239 # Prefer xnanosleep over other less-precise sleep methods
 240 sc_prohibit_sleep:
 241         @re='\<(nano|u)?sleep \('                                       \
 242         msg='prefer xnanosleep over other sleep interfaces'             \
 243           $(_prohibit_regexp)
 244
 245 include $(srcdir)/dist-check.mk
 246
 247 update-copyright-env = \
 248   UPDATE_COPYRIGHT_USE_INTERVALS=1 \
 249   UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79