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author Karl Berry <karl@freefriends.org>
date Mon, 18 Feb 2019 08:02:49 -0800
parents b06060465f09
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1 # GNU Makefile for gnulib central.
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2 # Copyright (C) 2006, 2009-2019 Free Software Foundation, Inc.
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3 #
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4 # Copying and distribution of this file, with or without modification,
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5 # in any medium, are permitted without royalty provided the copyright
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6 # notice and this notice are preserved.
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7
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8 # This Makefile requires the use of GNU make. Some targets require
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9 # that you have tools like git, makeinfo and cppi installed.
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10
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11 # Required for the use of <(...) below.
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12 SHELL=bash
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13
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14 # Produce some files that are not stored in the repository.
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15 all:
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16
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17 # Produce the documentation in readable form.
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18 info html dvi pdf:
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19 cd doc && $(MAKE) $@ && $(MAKE) mostlyclean
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20
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21 # Collect the names of rules starting with 'sc_'.
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22 syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p'\
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23 Makefile))
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24
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25 # Perform some platform independent checks on the gnulib code.
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26 check: $(syntax-check-rules)
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27
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28 sc_prefer_ac_check_funcs_once:
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29 @if test -d .git; then \
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30 git grep -w -l AC_CHECK_FUNCS modules \
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31 && { echo use AC_CHECK_FUNCS_ONCE, not AC_CHECK_FUNCS \
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32 in modules/ 1>&2; exit 1; } || : \
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33 else :; fi
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34
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35 sc_prohibit_leading_TABs:
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36 @if test -d .git; then \
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37 git grep -l '^ * ' lib m4 tests \
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38 | grep -Ev '^lib/reg|Makefile|test-update-copyright' \
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39 | grep . \
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40 && { printf '*** %s\n' 'indent with spaces, not TABs;' \
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41 1>&2; exit 1; } || : \
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42 else :; fi
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43
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44 sc_prohibit_augmenting_PATH_via_TESTS_ENVIRONMENT:
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45 @if test -d .git; then \
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46 url=https://lists.gnu.org/r/bug-gnulib/2010-09/msg00064.html; \
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47 git grep '^[ ]*TESTS_ENVIRONMENT += PATH=' modules \
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48 && { printf '%s\n' 'Do not augment PATH via TESTS_ENVIRONMENT;' \
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49 " see <$$url>" 1>&2; exit 1; } || : \
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50 else :; fi
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51
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52 # It's easy to forget the noise-suppressing "@" at the beginning
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53 # of each sc_ rule. Check for it both in maint.mk and in this file.
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54 sc_prohibit_sc_omitted_at:
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55 @if test -d .git; then \
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56 git grep -n -A1 '^sc_[[:alnum:]_-]*:' top/maint.mk Makefile \
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57 | grep -vE ':sc_|[0-9][-] @|--$$' \
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58 | sed 's/-\([0-9][0-9]*\)-/:\1:/' \
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59 | grep . \
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60 && { printf '*** %s\n' 'oops; missing "@"' \
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61 1>&2; exit 1; } || : \
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62 else :; fi
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63
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64 # Run all maint.mk syntax-check tests on gnulib's sources.
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65 sc_maint:
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66 @rm -f maint.mk; ln -s top/maint.mk maint.mk
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67 $(MAKE) -s srcdir=. gnulib_dir=. _build-aux=build-aux \
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68 -f cfg.mk -f maint.mk syntax-check
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69 rm -f maint.mk
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70
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71 # Files in m4/ that (exceptionally) may use AC_LIBOBJ.
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72 # Do not include their ".m4" suffix.
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73 allow_AC_LIBOBJ = \
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74 close \
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75 dprintf \
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76 dup2 \
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77 faccessat \
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78 fchdir \
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79 fclose \
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80 fcntl \
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81 fprintf-posix \
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82 open \
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83 printf-posix-rpl \
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84 snprintf \
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85 sprintf-posix \
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86 stdio_h \
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87 vasnprintf \
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88 vasprintf \
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89 vdprintf \
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90 vfprintf-posix \
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91 vprintf-posix \
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92 vsnprintf \
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93 vsprintf-posix
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94
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95 allow_AC_LIBOBJ_or := $(shell echo $(allow_AC_LIBOBJ) | tr -s ' ' '|')
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96
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97 sc_prohibit_AC_LIBOBJ_in_m4:
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98 @url=https://lists.gnu.org/r/bug-gnulib/2011-06/msg00051.html; \
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99 if test -d .git; then \
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100 git ls-files m4 \
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101 | grep -Ev '^m4/($(allow_AC_LIBOBJ_or))\.m4$$' \
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102 | xargs grep '^ *AC_LIBOBJ(' \
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103 && { printf '%s\n' 'Do not use AC_LIBOBJ in m4/*.m4;' \
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104 "see <$$url>"; exit 1; } || :; \
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105 else :; fi
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106
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107 sc_pragma_columns:
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108 @if test -d .git; then \
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109 git ls-files|grep '\.in\.h$$' \
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110 | xargs grep -l '^@PRAGMA_SYSTEM_HEADER@' \
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111 | xargs grep -L '^@PRAGMA_COLUMNS@' \
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112 | grep . \
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113 && { printf '%s\n' \
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114 'the files listed above use @PRAGMA_SYSTEM_HEADER@' \
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115 'without also using @PRAGMA_COLUMNS@' 1>&2; \
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116 exit 1; } || :; \
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117 else :; fi
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118
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119 # Verify that certain (for now, only Jim Meyering and Eric Blake's)
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120 # *.c files are consistently cpp indented.
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121 sc_cpp_indent_check:
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122 @./gnulib-tool --extract-filelist \
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123 $$(cd ./modules; grep -ilrE '(meyering|blake)' .) \
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124 | sort -u \
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125 | grep '\.c$$' \
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126 | grep -vE '/(stdio-(read|write)|getloadavg)\.c$$' \
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127 | xargs cppi -c
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128
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129 # Ensure that the list of symbols checked for by the
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130 # sc_prohibit_intprops_without_use rule match those in the actual file.
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131 # Extract the symbols from the .h file and compare with the list of
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132 # symbols extracted from the rule in maint.mk.
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133 sc_check_sym_list:
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134 @i=lib/intprops.h; \
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135 diff -u <(perl -lne '/^# *define ([A-Z]\w+)\(/ and print $$1' $$i|fmt) \
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136 <(sed -n /^_intprops_name/,/^_intprops_syms_re/p top/maint.mk \
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137 |sed '/^_/d;s/^ //;s/ *\\$$//')
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138
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139 # Ensure that the copyright statements in files and in the module descriptions
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140 # are consistent.
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141 sc_check_copyright:
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142 @./check-copyright
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143
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144 # Regenerate some files that are stored in the repository.
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145 regen: MODULES.html
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146
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147 # MODULES.html is periodically being generated and copied to the web pages at
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148 # :ext:USER@cvs.savannah.gnu.org:/web/gnulib/gnulib/
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149 # where it then appears at <https://www.gnu.org/software/gnulib/MODULES.html>.
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150 MODULES.html: MODULES.html.sh
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151 ./MODULES.html.sh > MODULES.html
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152
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153 # A perl BEGIN block to set Y to the current year number and W to Y-1.
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154 _year_and_prev = BEGIN{@t=localtime(time); $$y=$$t[5]+1900; $$w=$$y-1}
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155
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156 # Run this rule once per year (usually early in January)
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157 # to update all FSF copyright year lists here.
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158 # We exclude the files listed in srclist.txt (maintained elsewhere)
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159 # as well as those in tests/unictype (generated).
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160 # Also exclude any file that includes the "GENERATED AUTOMATICALLY" comment,
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161 # being careful not to exclude code that merely generates the comment.
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162 # Also exclude doc/INSTALL*, since they too are generated.
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163 # Also adjust template-style files that must start with a single
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164 # (the current) year number in some places.
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165 # Also adjust version-etc.c and and gendocs.sh.
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166 update-copyright:
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167 exempt=$$(mktemp); \
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168 grep -v '^#' config/srclist.txt|grep -v '^$$' \
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169 | while read top src dst options; do \
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170 test -f "$$dst" && { echo "$$dst"; continue; }; \
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171 test -d "$$dst" || continue; \
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172 echo "$$dst"/$$(basename "$$src"); \
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173 done > $$exempt; \
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174 git ls-files tests/unictype >> $$exempt; \
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175 git ls-files doc/INSTALL* >> $$exempt; \
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176 git ls-files | grep -vFf $$exempt \
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177 | xargs grep -L '^/\*.*GENERATED AUTOMATICALLY' \
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178 | UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79 \
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179 UPDATE_COPYRIGHT_USE_INTERVALS=1 \
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180 xargs build-aux/update-copyright
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181 perl -pi -e '$(_year_and_prev) s/(copyright.*)\b$$w\b/$$1$$y/i' \
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182 lib/version-etc.c doc/gnulib.texi build-aux/gendocs.sh
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183 perl -pi -e '$(_year_and_prev) s/ $$w-$$y / $$y /g' \
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184 doc/gendocs_template* build-aux/gendocs.sh
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185 perl -pi -e \
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186 '$(_year_and_prev) s/^(scriptversion=)$$w.*/$$1$$y-01-01.00/i' \
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187 build-aux/gendocs.sh