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TOMOYO Linux Cross Reference
Linux/scripts/sphinx-pre-install

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /scripts/sphinx-pre-install (Version linux-6.12-rc7) and /scripts/sphinx-pre-install (Version linux-5.17.15)


  1 #!/usr/bin/env perl                                 1 #!/usr/bin/env perl
  2 # SPDX-License-Identifier: GPL-2.0-or-later         2 # SPDX-License-Identifier: GPL-2.0-or-later
  3 use strict;                                         3 use strict;
  4                                                     4 
  5 # Copyright (c) 2017-2020 Mauro Carvalho Cheha<      5 # Copyright (c) 2017-2020 Mauro Carvalho Chehab <mchehab@kernel.org>
  6 #                                                   6 #
  7                                                     7 
  8 my $prefix = "./";                                  8 my $prefix = "./";
  9 $prefix = "$ENV{'srctree'}/" if ($ENV{'srctree      9 $prefix = "$ENV{'srctree'}/" if ($ENV{'srctree'});
 10                                                    10 
 11 my $conf = $prefix . "Documentation/conf.py";      11 my $conf = $prefix . "Documentation/conf.py";
 12 my $requirement_file = $prefix . "Documentatio     12 my $requirement_file = $prefix . "Documentation/sphinx/requirements.txt";
 13 my $virtenv_prefix = "sphinx_";                    13 my $virtenv_prefix = "sphinx_";
 14                                                    14 
 15 #                                                  15 #
 16 # Static vars                                      16 # Static vars
 17 #                                                  17 #
 18                                                    18 
 19 my %missing;                                       19 my %missing;
 20 my $system_release;                                20 my $system_release;
 21 my $need = 0;                                      21 my $need = 0;
 22 my $optional = 0;                                  22 my $optional = 0;
 23 my $need_symlink = 0;                              23 my $need_symlink = 0;
 24 my $need_sphinx = 0;                               24 my $need_sphinx = 0;
 25 my $need_pip = 0;                                  25 my $need_pip = 0;
 26 my $need_virtualenv = 0;                           26 my $need_virtualenv = 0;
 27 my $rec_sphinx_upgrade = 0;                        27 my $rec_sphinx_upgrade = 0;
 28 my $verbose_warn_install = 1;                  << 
 29 my $install = "";                                  28 my $install = "";
 30 my $virtenv_dir = "";                              29 my $virtenv_dir = "";
 31 my $python_cmd = "";                               30 my $python_cmd = "";
 32 my $activate_cmd;                                  31 my $activate_cmd;
 33 my $min_version;                                   32 my $min_version;
 34 my $cur_version;                                   33 my $cur_version;
 35 my $rec_version = "3.4.3";                     !!  34 my $rec_version = "1.7.9";      # PDF won't build here
                                                   >>  35 my $min_pdf_version = "2.4.4";  # Min version where pdf builds
 36 my $latest_avail_ver;                              36 my $latest_avail_ver;
 37                                                    37 
 38 #                                                  38 #
 39 # Command line arguments                           39 # Command line arguments
 40 #                                                  40 #
 41                                                    41 
 42 my $pdf = 1;                                       42 my $pdf = 1;
 43 my $virtualenv = 1;                                43 my $virtualenv = 1;
 44 my $version_check = 0;                             44 my $version_check = 0;
 45                                                    45 
 46 #                                                  46 #
 47 # List of required texlive packages on Fedora      47 # List of required texlive packages on Fedora and OpenSuse
 48 #                                                  48 #
 49                                                    49 
 50 my %texlive = (                                    50 my %texlive = (
 51         'amsfonts.sty'       => 'texlive-amsfo     51         'amsfonts.sty'       => 'texlive-amsfonts',
 52         'amsmath.sty'        => 'texlive-amsma     52         'amsmath.sty'        => 'texlive-amsmath',
 53         'amssymb.sty'        => 'texlive-amsfo     53         'amssymb.sty'        => 'texlive-amsfonts',
 54         'amsthm.sty'         => 'texlive-amscl     54         'amsthm.sty'         => 'texlive-amscls',
 55         'anyfontsize.sty'    => 'texlive-anyfo     55         'anyfontsize.sty'    => 'texlive-anyfontsize',
 56         'atbegshi.sty'       => 'texlive-oberd     56         'atbegshi.sty'       => 'texlive-oberdiek',
 57         'bm.sty'             => 'texlive-tools     57         'bm.sty'             => 'texlive-tools',
 58         'capt-of.sty'        => 'texlive-capt-     58         'capt-of.sty'        => 'texlive-capt-of',
 59         'cmap.sty'           => 'texlive-cmap'     59         'cmap.sty'           => 'texlive-cmap',
 60         'ecrm1000.tfm'       => 'texlive-ec',      60         'ecrm1000.tfm'       => 'texlive-ec',
 61         'eqparbox.sty'       => 'texlive-eqpar     61         'eqparbox.sty'       => 'texlive-eqparbox',
 62         'eu1enc.def'         => 'texlive-euenc     62         'eu1enc.def'         => 'texlive-euenc',
 63         'fancybox.sty'       => 'texlive-fancy     63         'fancybox.sty'       => 'texlive-fancybox',
 64         'fancyvrb.sty'       => 'texlive-fancy     64         'fancyvrb.sty'       => 'texlive-fancyvrb',
 65         'float.sty'          => 'texlive-float     65         'float.sty'          => 'texlive-float',
 66         'fncychap.sty'       => 'texlive-fncyc     66         'fncychap.sty'       => 'texlive-fncychap',
 67         'footnote.sty'       => 'texlive-mdwto     67         'footnote.sty'       => 'texlive-mdwtools',
 68         'framed.sty'         => 'texlive-frame     68         'framed.sty'         => 'texlive-framed',
 69         'luatex85.sty'       => 'texlive-luate     69         'luatex85.sty'       => 'texlive-luatex85',
 70         'multirow.sty'       => 'texlive-multi     70         'multirow.sty'       => 'texlive-multirow',
 71         'needspace.sty'      => 'texlive-needs     71         'needspace.sty'      => 'texlive-needspace',
 72         'palatino.sty'       => 'texlive-psnfs     72         'palatino.sty'       => 'texlive-psnfss',
 73         'parskip.sty'        => 'texlive-parsk     73         'parskip.sty'        => 'texlive-parskip',
 74         'polyglossia.sty'    => 'texlive-polyg     74         'polyglossia.sty'    => 'texlive-polyglossia',
 75         'tabulary.sty'       => 'texlive-tabul     75         'tabulary.sty'       => 'texlive-tabulary',
 76         'threeparttable.sty' => 'texlive-three     76         'threeparttable.sty' => 'texlive-threeparttable',
 77         'titlesec.sty'       => 'texlive-title     77         'titlesec.sty'       => 'texlive-titlesec',
 78         'ucs.sty'            => 'texlive-ucs',     78         'ucs.sty'            => 'texlive-ucs',
 79         'upquote.sty'        => 'texlive-upquo     79         'upquote.sty'        => 'texlive-upquote',
 80         'wrapfig.sty'        => 'texlive-wrapf     80         'wrapfig.sty'        => 'texlive-wrapfig',
 81         'ctexhook.sty'       => 'texlive-ctex'     81         'ctexhook.sty'       => 'texlive-ctex',
 82 );                                                 82 );
 83                                                    83 
 84 #                                                  84 #
 85 # Subroutines that checks if a feature exists      85 # Subroutines that checks if a feature exists
 86 #                                                  86 #
 87                                                    87 
 88 sub check_missing(%)                               88 sub check_missing(%)
 89 {                                                  89 {
 90         my %map = %{$_[0]};                        90         my %map = %{$_[0]};
 91                                                    91 
 92         foreach my $prog (sort keys %missing)      92         foreach my $prog (sort keys %missing) {
 93                 my $is_optional = $missing{$pr     93                 my $is_optional = $missing{$prog};
 94                                                    94 
 95                 # At least on some LTS distros     95                 # At least on some LTS distros like CentOS 7, texlive doesn't
 96                 # provide all packages we need     96                 # provide all packages we need. When such distros are
 97                 # detected, we have to disable     97                 # detected, we have to disable PDF output.
 98                 #                                  98                 #
 99                 # So, we need to ignore the pa     99                 # So, we need to ignore the packages that distros would
100                 # need for LaTeX to work          100                 # need for LaTeX to work
101                 if ($is_optional == 2 && !$pdf    101                 if ($is_optional == 2 && !$pdf) {
102                         $optional--;              102                         $optional--;
103                         next;                     103                         next;
104                 }                                 104                 }
105                                                   105 
106                 if ($verbose_warn_install) {   !! 106                 if ($is_optional) {
107                         if ($is_optional) {    !! 107                         print "Warning: better to also install \"$prog\".\n";
108                                 print "Warning !! 108                 } else {
109                         } else {               !! 109                         print "ERROR: please install \"$prog\", otherwise, build won't work.\n";
110                                 print "ERROR:  << 
111                         }                      << 
112                 }                                 110                 }
113                 if (defined($map{$prog})) {       111                 if (defined($map{$prog})) {
114                         $install .= " " . $map    112                         $install .= " " . $map{$prog};
115                 } else {                          113                 } else {
116                         $install .= " " . $pro    114                         $install .= " " . $prog;
117                 }                                 115                 }
118         }                                         116         }
119                                                   117 
120         $install =~ s/^\s//;                      118         $install =~ s/^\s//;
121 }                                                 119 }
122                                                   120 
123 sub add_package($$)                               121 sub add_package($$)
124 {                                                 122 {
125         my $package = shift;                      123         my $package = shift;
126         my $is_optional = shift;                  124         my $is_optional = shift;
127                                                   125 
128         $missing{$package} = $is_optional;        126         $missing{$package} = $is_optional;
129         if ($is_optional) {                       127         if ($is_optional) {
130                 $optional++;                      128                 $optional++;
131         } else {                                  129         } else {
132                 $need++;                          130                 $need++;
133         }                                         131         }
134 }                                                 132 }
135                                                   133 
136 sub check_missing_file($$$)                       134 sub check_missing_file($$$)
137 {                                                 135 {
138         my $files = shift;                        136         my $files = shift;
139         my $package = shift;                      137         my $package = shift;
140         my $is_optional = shift;                  138         my $is_optional = shift;
141                                                   139 
142         for (@$files) {                           140         for (@$files) {
143                 return if(-e $_);                 141                 return if(-e $_);
144         }                                         142         }
145                                                   143 
146         add_package($package, $is_optional);      144         add_package($package, $is_optional);
147 }                                                 145 }
148                                                   146 
149 sub findprog($)                                   147 sub findprog($)
150 {                                                 148 {
151         foreach(split(/:/, $ENV{PATH})) {         149         foreach(split(/:/, $ENV{PATH})) {
152                 return "$_/$_[0]" if(-x "$_/$_    150                 return "$_/$_[0]" if(-x "$_/$_[0]");
153         }                                         151         }
154 }                                                 152 }
155                                                   153 
156 sub find_python_no_venv()                         154 sub find_python_no_venv()
157 {                                                 155 {
158         my $prog = shift;                         156         my $prog = shift;
159                                                   157 
160         my $cur_dir = qx(pwd);                    158         my $cur_dir = qx(pwd);
161         $cur_dir =~ s/\s+$//;                     159         $cur_dir =~ s/\s+$//;
162                                                   160 
163         foreach my $dir (split(/:/, $ENV{PATH}    161         foreach my $dir (split(/:/, $ENV{PATH})) {
164                 next if ($dir =~ m,($cur_dir)/    162                 next if ($dir =~ m,($cur_dir)/sphinx,);
165                 return "$dir/python3" if(-x "$    163                 return "$dir/python3" if(-x "$dir/python3");
166         }                                         164         }
167         foreach my $dir (split(/:/, $ENV{PATH}    165         foreach my $dir (split(/:/, $ENV{PATH})) {
168                 next if ($dir =~ m,($cur_dir)/    166                 next if ($dir =~ m,($cur_dir)/sphinx,);
169                 return "$dir/python" if(-x "$d    167                 return "$dir/python" if(-x "$dir/python");
170         }                                         168         }
171         return "python";                          169         return "python";
172 }                                                 170 }
173                                                   171 
174 sub check_program($$)                             172 sub check_program($$)
175 {                                                 173 {
176         my $prog = shift;                         174         my $prog = shift;
177         my $is_optional = shift;                  175         my $is_optional = shift;
178                                                   176 
179         return $prog if findprog($prog);          177         return $prog if findprog($prog);
180                                                   178 
181         add_package($prog, $is_optional);         179         add_package($prog, $is_optional);
182 }                                                 180 }
183                                                   181 
184 sub check_perl_module($$)                         182 sub check_perl_module($$)
185 {                                                 183 {
186         my $prog = shift;                         184         my $prog = shift;
187         my $is_optional = shift;                  185         my $is_optional = shift;
188                                                   186 
189         my $err = system("perl -M$prog -e 1 2>    187         my $err = system("perl -M$prog -e 1 2>/dev/null /dev/null");
190         return if ($err == 0);                    188         return if ($err == 0);
191                                                   189 
192         add_package($prog, $is_optional);         190         add_package($prog, $is_optional);
193 }                                                 191 }
194                                                   192 
195 sub check_python_module($$)                       193 sub check_python_module($$)
196 {                                                 194 {
197         my $prog = shift;                         195         my $prog = shift;
198         my $is_optional = shift;                  196         my $is_optional = shift;
199                                                   197 
200         return if (!$python_cmd);                 198         return if (!$python_cmd);
201                                                   199 
202         my $err = system("$python_cmd -c 'impo    200         my $err = system("$python_cmd -c 'import $prog' 2>/dev/null /dev/null");
203         return if ($err == 0);                    201         return if ($err == 0);
204                                                   202 
205         add_package($prog, $is_optional);         203         add_package($prog, $is_optional);
206 }                                                 204 }
207                                                   205 
208 sub check_rpm_missing($$)                         206 sub check_rpm_missing($$)
209 {                                                 207 {
210         my @pkgs = @{$_[0]};                      208         my @pkgs = @{$_[0]};
211         my $is_optional = $_[1];                  209         my $is_optional = $_[1];
212                                                   210 
213         foreach my $prog(@pkgs) {                 211         foreach my $prog(@pkgs) {
214                 my $err = system("rpm -q '$pro    212                 my $err = system("rpm -q '$prog' 2>/dev/null >/dev/null");
215                 add_package($prog, $is_optiona    213                 add_package($prog, $is_optional) if ($err);
216         }                                         214         }
217 }                                                 215 }
218                                                   216 
219 sub check_pacman_missing($$)                      217 sub check_pacman_missing($$)
220 {                                                 218 {
221         my @pkgs = @{$_[0]};                      219         my @pkgs = @{$_[0]};
222         my $is_optional = $_[1];                  220         my $is_optional = $_[1];
223                                                   221 
224         foreach my $prog(@pkgs) {                 222         foreach my $prog(@pkgs) {
225                 my $err = system("pacman -Q '$    223                 my $err = system("pacman -Q '$prog' 2>/dev/null >/dev/null");
226                 add_package($prog, $is_optiona    224                 add_package($prog, $is_optional) if ($err);
227         }                                         225         }
228 }                                                 226 }
229                                                   227 
230 sub check_missing_tex($)                          228 sub check_missing_tex($)
231 {                                                 229 {
232         my $is_optional = shift;                  230         my $is_optional = shift;
233         my $kpsewhich = findprog("kpsewhich");    231         my $kpsewhich = findprog("kpsewhich");
234                                                   232 
235         foreach my $prog(keys %texlive) {         233         foreach my $prog(keys %texlive) {
236                 my $package = $texlive{$prog};    234                 my $package = $texlive{$prog};
237                 if (!$kpsewhich) {                235                 if (!$kpsewhich) {
238                         add_package($package,     236                         add_package($package, $is_optional);
239                         next;                     237                         next;
240                 }                                 238                 }
241                 my $file = qx($kpsewhich $prog    239                 my $file = qx($kpsewhich $prog);
242                 add_package($package, $is_opti    240                 add_package($package, $is_optional) if ($file =~ /^\s*$/);
243         }                                         241         }
244 }                                                 242 }
245                                                   243 
246 sub get_sphinx_fname()                            244 sub get_sphinx_fname()
247 {                                                 245 {
248         my $fname = "sphinx-build";               246         my $fname = "sphinx-build";
249         return $fname if findprog($fname);        247         return $fname if findprog($fname);
250                                                   248 
251         $fname = "sphinx-build-3";                249         $fname = "sphinx-build-3";
252         if (findprog($fname)) {                   250         if (findprog($fname)) {
253                 $need_symlink = 1;                251                 $need_symlink = 1;
254                 return $fname;                    252                 return $fname;
255         }                                         253         }
256                                                   254 
257         return "";                                255         return "";
258 }                                                 256 }
259                                                   257 
260 sub get_sphinx_version($)                         258 sub get_sphinx_version($)
261 {                                                 259 {
262         my $cmd = shift;                          260         my $cmd = shift;
263         my $ver;                                  261         my $ver;
264                                                   262 
265         open IN, "$cmd --version 2>&1 |";         263         open IN, "$cmd --version 2>&1 |";
266         while (<IN>) {                            264         while (<IN>) {
267                 if (m/^\s*sphinx-build\s+([\d\    265                 if (m/^\s*sphinx-build\s+([\d\.]+)((\+\/[\da-f]+)|(b\d+))?$/) {
268                         $ver=$1;                  266                         $ver=$1;
269                         last;                     267                         last;
270                 }                                 268                 }
271                 # Sphinx 1.2.x uses a differen    269                 # Sphinx 1.2.x uses a different format
272                 if (m/^\s*Sphinx.*\s+([\d\.]+)    270                 if (m/^\s*Sphinx.*\s+([\d\.]+)$/) {
273                         $ver=$1;                  271                         $ver=$1;
274                         last;                     272                         last;
275                 }                                 273                 }
276         }                                         274         }
277         close IN;                                 275         close IN;
278         return $ver;                              276         return $ver;
279 }                                                 277 }
280                                                   278 
281 sub check_sphinx()                                279 sub check_sphinx()
282 {                                                 280 {
                                                   >> 281         my $default_version;
                                                   >> 282 
283         open IN, $conf or die "Can't open $con    283         open IN, $conf or die "Can't open $conf";
284         while (<IN>) {                            284         while (<IN>) {
285                 if (m/^\s*needs_sphinx\s*=\s*[    285                 if (m/^\s*needs_sphinx\s*=\s*[\'\"]([\d\.]+)[\'\"]/) {
286                         $min_version=$1;          286                         $min_version=$1;
287                         last;                     287                         last;
288                 }                                 288                 }
289         }                                         289         }
290         close IN;                                 290         close IN;
291                                                   291 
292         die "Can't get needs_sphinx version fr    292         die "Can't get needs_sphinx version from $conf" if (!$min_version);
293                                                   293 
294         $virtenv_dir = $virtenv_prefix . "late !! 294         open IN, $requirement_file or die "Can't open $requirement_file";
                                                   >> 295         while (<IN>) {
                                                   >> 296                 if (m/^\s*Sphinx\s*==\s*([\d\.]+)$/) {
                                                   >> 297                         $default_version=$1;
                                                   >> 298                         last;
                                                   >> 299                 }
                                                   >> 300         }
                                                   >> 301         close IN;
                                                   >> 302 
                                                   >> 303         die "Can't get default sphinx version from $requirement_file" if (!$default_version);
                                                   >> 304 
                                                   >> 305         $virtenv_dir = $virtenv_prefix . $default_version;
295                                                   306 
296         my $sphinx = get_sphinx_fname();          307         my $sphinx = get_sphinx_fname();
297         if ($sphinx eq "") {                      308         if ($sphinx eq "") {
298                 $need_sphinx = 1;                 309                 $need_sphinx = 1;
299                 return;                           310                 return;
300         }                                         311         }
301                                                   312 
302         $cur_version = get_sphinx_version($sph    313         $cur_version = get_sphinx_version($sphinx);
                                                   >> 314         die ("$sphinx returned an error") if (!$cur_version);
                                                   >> 315 
303         die "$sphinx didn't return its version    316         die "$sphinx didn't return its version" if (!$cur_version);
304                                                   317 
305         if ($cur_version lt $min_version) {       318         if ($cur_version lt $min_version) {
306                 printf "ERROR: Sphinx version  !! 319                 printf "ERROR: Sphinx version is %s. It should be >= %s (recommended >= %s)\n",
307                        $cur_version, $min_vers !! 320                        $cur_version, $min_version, $default_version;
308                 $need_sphinx = 1;                 321                 $need_sphinx = 1;
309                 return;                           322                 return;
310         }                                         323         }
311                                                   324 
312         return if ($cur_version lt $rec_versio    325         return if ($cur_version lt $rec_version);
313                                                   326 
314         # On version check mode, just assume S    327         # On version check mode, just assume Sphinx has all mandatory deps
315         exit (0) if ($version_check);             328         exit (0) if ($version_check);
316 }                                                 329 }
317                                                   330 
318 #                                                 331 #
319 # Ancillary subroutines                           332 # Ancillary subroutines
320 #                                                 333 #
321                                                   334 
322 sub catcheck($)                                   335 sub catcheck($)
323 {                                                 336 {
324   my $res = "";                                   337   my $res = "";
325   $res = qx(cat $_[0]) if (-r $_[0]);             338   $res = qx(cat $_[0]) if (-r $_[0]);
326   return $res;                                    339   return $res;
327 }                                                 340 }
328                                                   341 
329 sub which($)                                      342 sub which($)
330 {                                                 343 {
331         my $file = shift;                         344         my $file = shift;
332         my @path = split ":", $ENV{PATH};         345         my @path = split ":", $ENV{PATH};
333                                                   346 
334         foreach my $dir(@path) {                  347         foreach my $dir(@path) {
335                 my $name = $dir.'/'.$file;        348                 my $name = $dir.'/'.$file;
336                 return $name if (-x $name );      349                 return $name if (-x $name );
337         }                                         350         }
338         return undef;                             351         return undef;
339 }                                                 352 }
340                                                   353 
341 #                                                 354 #
342 # Subroutines that check distro-specific hints    355 # Subroutines that check distro-specific hints
343 #                                                 356 #
344                                                   357 
345 sub give_debian_hints()                           358 sub give_debian_hints()
346 {                                                 359 {
347         my %map = (                               360         my %map = (
348                 "python-sphinx"         => "py    361                 "python-sphinx"         => "python3-sphinx",
349                 "yaml"                  => "py !! 362                 "sphinx_rtd_theme"      => "python3-sphinx-rtd-theme",
350                 "ensurepip"             => "py    363                 "ensurepip"             => "python3-venv",
351                 "virtualenv"            => "vi    364                 "virtualenv"            => "virtualenv",
352                 "dot"                   => "gr    365                 "dot"                   => "graphviz",
353                 "convert"               => "im    366                 "convert"               => "imagemagick",
354                 "Pod::Usage"            => "pe    367                 "Pod::Usage"            => "perl-modules",
355                 "xelatex"               => "te    368                 "xelatex"               => "texlive-xetex",
356                 "rsvg-convert"          => "li    369                 "rsvg-convert"          => "librsvg2-bin",
357         );                                        370         );
358                                                   371 
359         if ($pdf) {                               372         if ($pdf) {
360                 check_missing_file(["/usr/shar    373                 check_missing_file(["/usr/share/texlive/texmf-dist/tex/latex/ctex/ctexhook.sty"],
361                                    "texlive-la    374                                    "texlive-lang-chinese", 2);
362                                                   375 
363                 check_missing_file(["/usr/shar    376                 check_missing_file(["/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf"],
364                                    "fonts-deja    377                                    "fonts-dejavu", 2);
365                                                   378 
366                 check_missing_file(["/usr/shar    379                 check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
367                                     "/usr/shar    380                                     "/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
368                                     "/usr/shar    381                                     "/usr/share/fonts/opentype/noto/NotoSerifCJK-Regular.ttc"],
369                                    "fonts-noto    382                                    "fonts-noto-cjk", 2);
370         }                                         383         }
371                                                   384 
372         check_program("dvipng", 2) if ($pdf);     385         check_program("dvipng", 2) if ($pdf);
373         check_missing(\%map);                     386         check_missing(\%map);
374                                                   387 
375         return if (!$need && !$optional);         388         return if (!$need && !$optional);
376         printf("You should run:\n") if ($verbo !! 389         printf("You should run:\n\n\tsudo apt-get install $install\n");
377         printf("\n\tsudo apt-get install $inst << 
378 }                                                 390 }
379                                                   391 
380 sub give_redhat_hints()                           392 sub give_redhat_hints()
381 {                                                 393 {
382         my %map = (                               394         my %map = (
383                 "python-sphinx"         => "py    395                 "python-sphinx"         => "python3-sphinx",
384                 "yaml"                  => "py !! 396                 "sphinx_rtd_theme"      => "python3-sphinx_rtd_theme",
385                 "virtualenv"            => "py    397                 "virtualenv"            => "python3-virtualenv",
386                 "dot"                   => "gr    398                 "dot"                   => "graphviz",
387                 "convert"               => "Im    399                 "convert"               => "ImageMagick",
388                 "Pod::Usage"            => "pe    400                 "Pod::Usage"            => "perl-Pod-Usage",
389                 "xelatex"               => "te    401                 "xelatex"               => "texlive-xetex-bin",
390                 "rsvg-convert"          => "li    402                 "rsvg-convert"          => "librsvg2-tools",
391         );                                        403         );
392                                                   404 
393         my @fedora26_opt_pkgs = (                 405         my @fedora26_opt_pkgs = (
394                 "graphviz-gd",          # Fedo    406                 "graphviz-gd",          # Fedora 26: needed for PDF support
395         );                                        407         );
396                                                   408 
397         my @fedora_tex_pkgs = (                   409         my @fedora_tex_pkgs = (
398                 "texlive-collection-fontsrecom    410                 "texlive-collection-fontsrecommended",
399                 "texlive-collection-latex",       411                 "texlive-collection-latex",
400                 "texlive-xecjk",                  412                 "texlive-xecjk",
401                 "dejavu-sans-fonts",              413                 "dejavu-sans-fonts",
402                 "dejavu-serif-fonts",             414                 "dejavu-serif-fonts",
403                 "dejavu-sans-mono-fonts",         415                 "dejavu-sans-mono-fonts",
404         );                                        416         );
405                                                   417 
406         #                                         418         #
407         # Checks valid for RHEL/CentOS version    419         # Checks valid for RHEL/CentOS version 7.x.
408         #                                         420         #
409         my $old = 0;                              421         my $old = 0;
410         my $rel;                                  422         my $rel;
411         my $noto_sans_redhat = "google-noto-sa << 
412         $rel = $1 if ($system_release =~ /rele    423         $rel = $1 if ($system_release =~ /release\s+(\d+)/);
413                                                   424 
414         if (!($system_release =~ /Fedora/)) {     425         if (!($system_release =~ /Fedora/)) {
415                 $map{"virtualenv"} = "python-v    426                 $map{"virtualenv"} = "python-virtualenv";
416                                                   427 
417                 if ($rel && $rel < 8) {           428                 if ($rel && $rel < 8) {
418                         $old = 1;                 429                         $old = 1;
419                         $pdf = 0;                 430                         $pdf = 0;
420                                                   431 
421                         printf("Note: texlive     432                         printf("Note: texlive packages on RHEL/CENTOS <= 7 are incomplete. Can't support PDF output\n");
422                         printf("If you want to    433                         printf("If you want to build PDF, please read:\n");
423                         printf("\thttps://www.    434                         printf("\thttps://www.systutorials.com/241660/how-to-install-tex-live-on-centos-7-linux/\n");
424                 }                                 435                 }
425         } else {                                  436         } else {
426                 if ($rel && $rel < 26) {          437                 if ($rel && $rel < 26) {
427                         $old = 1;                 438                         $old = 1;
428                 }                                 439                 }
429                 if ($rel && $rel >= 38) {      << 
430                         $noto_sans_redhat = "g << 
431                 }                              << 
432         }                                         440         }
433         if (!$rel) {                              441         if (!$rel) {
434                 printf("Couldn't identify rele    442                 printf("Couldn't identify release number\n");
435                 $old = 1;                         443                 $old = 1;
436                 $pdf = 0;                         444                 $pdf = 0;
437         }                                         445         }
438                                                   446 
439         if ($pdf) {                               447         if ($pdf) {
440                 check_missing_file(["/usr/shar !! 448                 check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc"],
441                                     "/usr/shar !! 449                                    "google-noto-sans-cjk-ttc-fonts", 2);
442                                    $noto_sans_ << 
443         }                                         450         }
444                                                   451 
445         check_rpm_missing(\@fedora26_opt_pkgs,    452         check_rpm_missing(\@fedora26_opt_pkgs, 2) if ($pdf && !$old);
446         check_rpm_missing(\@fedora_tex_pkgs, 2    453         check_rpm_missing(\@fedora_tex_pkgs, 2) if ($pdf);
447         check_missing_tex(2) if ($pdf);           454         check_missing_tex(2) if ($pdf);
448         check_missing(\%map);                     455         check_missing(\%map);
449                                                   456 
450         return if (!$need && !$optional);         457         return if (!$need && !$optional);
451                                                   458 
452         if (!$old) {                              459         if (!$old) {
453                 # dnf, for Fedora 18+             460                 # dnf, for Fedora 18+
454                 printf("You should run:\n") if !! 461                 printf("You should run:\n\n\tsudo dnf install -y $install\n");
455                 printf("\n\tsudo dnf install - << 
456         } else {                                  462         } else {
457                 # yum, for RHEL (and clones) o    463                 # yum, for RHEL (and clones) or Fedora version < 18
458                 printf("You should run:\n") if !! 464                 printf("You should run:\n\n\tsudo yum install -y $install\n");
459                 printf("\n\tsudo yum install - << 
460         }                                         465         }
461 }                                                 466 }
462                                                   467 
463 sub give_opensuse_hints()                         468 sub give_opensuse_hints()
464 {                                                 469 {
465         my %map = (                               470         my %map = (
466                 "python-sphinx"         => "py    471                 "python-sphinx"         => "python3-sphinx",
467                 "yaml"                  => "py !! 472                 "sphinx_rtd_theme"      => "python3-sphinx_rtd_theme",
468                 "virtualenv"            => "py    473                 "virtualenv"            => "python3-virtualenv",
469                 "dot"                   => "gr    474                 "dot"                   => "graphviz",
470                 "convert"               => "Im    475                 "convert"               => "ImageMagick",
471                 "Pod::Usage"            => "pe    476                 "Pod::Usage"            => "perl-Pod-Usage",
472                 "xelatex"               => "te    477                 "xelatex"               => "texlive-xetex-bin",
473         );                                        478         );
474                                                   479 
475         # On Tumbleweed, this package is also     480         # On Tumbleweed, this package is also named rsvg-convert
476         $map{"rsvg-convert"} = "rsvg-view" if     481         $map{"rsvg-convert"} = "rsvg-view" if (!($system_release =~ /Tumbleweed/));
477                                                   482 
478         my @suse_tex_pkgs = (                     483         my @suse_tex_pkgs = (
479                 "texlive-babel-english",          484                 "texlive-babel-english",
480                 "texlive-caption",                485                 "texlive-caption",
481                 "texlive-colortbl",               486                 "texlive-colortbl",
482                 "texlive-courier",                487                 "texlive-courier",
483                 "texlive-dvips",                  488                 "texlive-dvips",
484                 "texlive-helvetic",               489                 "texlive-helvetic",
485                 "texlive-makeindex",              490                 "texlive-makeindex",
486                 "texlive-metafont",               491                 "texlive-metafont",
487                 "texlive-metapost",               492                 "texlive-metapost",
488                 "texlive-palatino",               493                 "texlive-palatino",
489                 "texlive-preview",                494                 "texlive-preview",
490                 "texlive-times",                  495                 "texlive-times",
491                 "texlive-zapfchan",               496                 "texlive-zapfchan",
492                 "texlive-zapfding",               497                 "texlive-zapfding",
493         );                                        498         );
494                                                   499 
495         $map{"latexmk"} = "texlive-latexmk-bin    500         $map{"latexmk"} = "texlive-latexmk-bin";
496                                                   501 
497         # FIXME: add support for installing CJ    502         # FIXME: add support for installing CJK fonts
498         #                                         503         #
499         # I tried hard, but was unable to find    504         # I tried hard, but was unable to find a way to install
500         # "Noto Sans CJK SC" on openSUSE          505         # "Noto Sans CJK SC" on openSUSE
501                                                   506 
502         check_rpm_missing(\@suse_tex_pkgs, 2)     507         check_rpm_missing(\@suse_tex_pkgs, 2) if ($pdf);
503         check_missing_tex(2) if ($pdf);           508         check_missing_tex(2) if ($pdf);
504         check_missing(\%map);                     509         check_missing(\%map);
505                                                   510 
506         return if (!$need && !$optional);         511         return if (!$need && !$optional);
507         printf("You should run:\n") if ($verbo !! 512         printf("You should run:\n\n\tsudo zypper install --no-recommends $install\n");
508         printf("\n\tsudo zypper install --no-r << 
509 }                                                 513 }
510                                                   514 
511 sub give_mageia_hints()                           515 sub give_mageia_hints()
512 {                                                 516 {
513         my %map = (                               517         my %map = (
514                 "python-sphinx"         => "py    518                 "python-sphinx"         => "python3-sphinx",
515                 "yaml"                  => "py !! 519                 "sphinx_rtd_theme"      => "python3-sphinx_rtd_theme",
516                 "virtualenv"            => "py    520                 "virtualenv"            => "python3-virtualenv",
517                 "dot"                   => "gr    521                 "dot"                   => "graphviz",
518                 "convert"               => "Im    522                 "convert"               => "ImageMagick",
519                 "Pod::Usage"            => "pe    523                 "Pod::Usage"            => "perl-Pod-Usage",
520                 "xelatex"               => "te    524                 "xelatex"               => "texlive",
521                 "rsvg-convert"          => "li    525                 "rsvg-convert"          => "librsvg2",
522         );                                        526         );
523                                                   527 
524         my @tex_pkgs = (                          528         my @tex_pkgs = (
525                 "texlive-fontsextra",             529                 "texlive-fontsextra",
526         );                                        530         );
527                                                   531 
528         $map{"latexmk"} = "texlive-collection-    532         $map{"latexmk"} = "texlive-collection-basic";
529                                                   533 
530         my $packager_cmd;                         534         my $packager_cmd;
531         my $noto_sans;                            535         my $noto_sans;
532         if ($system_release =~ /OpenMandriva/)    536         if ($system_release =~ /OpenMandriva/) {
533                 $packager_cmd = "dnf install";    537                 $packager_cmd = "dnf install";
534                 $noto_sans = "noto-sans-cjk-fo    538                 $noto_sans = "noto-sans-cjk-fonts";
535                 @tex_pkgs = ( "texlive-collect    539                 @tex_pkgs = ( "texlive-collection-fontsextra" );
536         } else {                                  540         } else {
537                 $packager_cmd = "urpmi";          541                 $packager_cmd = "urpmi";
538                 $noto_sans = "google-noto-sans    542                 $noto_sans = "google-noto-sans-cjk-ttc-fonts";
539         }                                         543         }
540                                                   544 
541                                                   545 
542         if ($pdf) {                               546         if ($pdf) {
543                 check_missing_file(["/usr/shar    547                 check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
544                                     "/usr/shar    548                                     "/usr/share/fonts/TTF/NotoSans-Regular.ttf"],
545                                    $noto_sans,    549                                    $noto_sans, 2);
546         }                                         550         }
547                                                   551 
548         check_rpm_missing(\@tex_pkgs, 2) if ($    552         check_rpm_missing(\@tex_pkgs, 2) if ($pdf);
549         check_missing(\%map);                     553         check_missing(\%map);
550                                                   554 
551         return if (!$need && !$optional);         555         return if (!$need && !$optional);
552         printf("You should run:\n") if ($verbo !! 556         printf("You should run:\n\n\tsudo $packager_cmd $install\n");
553         printf("\n\tsudo $packager_cmd $instal << 
554 }                                                 557 }
555                                                   558 
556 sub give_arch_linux_hints()                       559 sub give_arch_linux_hints()
557 {                                                 560 {
558         my %map = (                               561         my %map = (
559                 "yaml"                  => "py !! 562                 "sphinx_rtd_theme"      => "python-sphinx_rtd_theme",
560                 "virtualenv"            => "py    563                 "virtualenv"            => "python-virtualenv",
561                 "dot"                   => "gr    564                 "dot"                   => "graphviz",
562                 "convert"               => "im    565                 "convert"               => "imagemagick",
563                 "xelatex"               => "te !! 566                 "xelatex"               => "texlive-bin",
564                 "latexmk"               => "te    567                 "latexmk"               => "texlive-core",
565                 "rsvg-convert"          => "ex    568                 "rsvg-convert"          => "extra/librsvg",
566         );                                        569         );
567                                                   570 
568         my @archlinux_tex_pkgs = (                571         my @archlinux_tex_pkgs = (
569                 "texlive-core",                   572                 "texlive-core",
570                 "texlive-latexextra",             573                 "texlive-latexextra",
571                 "ttf-dejavu",                     574                 "ttf-dejavu",
572         );                                        575         );
573         check_pacman_missing(\@archlinux_tex_p    576         check_pacman_missing(\@archlinux_tex_pkgs, 2) if ($pdf);
574                                                   577 
575         if ($pdf) {                               578         if ($pdf) {
576                 check_missing_file(["/usr/shar    579                 check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc"],
577                                    "noto-fonts    580                                    "noto-fonts-cjk", 2);
578         }                                         581         }
579                                                   582 
580         check_missing(\%map);                     583         check_missing(\%map);
581                                                   584 
582         return if (!$need && !$optional);         585         return if (!$need && !$optional);
583         printf("You should run:\n") if ($verbo !! 586         printf("You should run:\n\n\tsudo pacman -S $install\n");
584         printf("\n\tsudo pacman -S $install\n" << 
585 }                                                 587 }
586                                                   588 
587 sub give_gentoo_hints()                           589 sub give_gentoo_hints()
588 {                                                 590 {
589         my %map = (                               591         my %map = (
590                 "yaml"                  => "de !! 592                 "sphinx_rtd_theme"      => "dev-python/sphinx_rtd_theme",
591                 "virtualenv"            => "de    593                 "virtualenv"            => "dev-python/virtualenv",
592                 "dot"                   => "me    594                 "dot"                   => "media-gfx/graphviz",
593                 "convert"               => "me    595                 "convert"               => "media-gfx/imagemagick",
594                 "xelatex"               => "de    596                 "xelatex"               => "dev-texlive/texlive-xetex media-fonts/dejavu",
595                 "rsvg-convert"          => "gn    597                 "rsvg-convert"          => "gnome-base/librsvg",
596         );                                        598         );
597                                                   599 
598         check_missing_file(["/usr/share/fonts/    600         check_missing_file(["/usr/share/fonts/dejavu/DejaVuSans.ttf"],
599                            "media-fonts/dejavu    601                            "media-fonts/dejavu", 2) if ($pdf);
600                                                   602 
601         if ($pdf) {                               603         if ($pdf) {
602                 check_missing_file(["/usr/shar    604                 check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJKsc-Regular.otf",
603                                     "/usr/shar    605                                     "/usr/share/fonts/noto-cjk/NotoSerifCJK-Regular.ttc"],
604                                    "media-font    606                                    "media-fonts/noto-cjk", 2);
605         }                                         607         }
606                                                   608 
607         check_missing(\%map);                     609         check_missing(\%map);
608                                                   610 
609         return if (!$need && !$optional);         611         return if (!$need && !$optional);
610                                                   612 
611         printf("You should run:\n") if ($verbo !! 613         printf("You should run:\n\n");
612         printf("\n");                          << 
613                                                   614 
614         my $imagemagick = "media-gfx/imagemagi    615         my $imagemagick = "media-gfx/imagemagick svg png";
615         my $cairo = "media-gfx/graphviz cairo     616         my $cairo = "media-gfx/graphviz cairo pdf";
616         my $portage_imagemagick = "/etc/portag    617         my $portage_imagemagick = "/etc/portage/package.use/imagemagick";
617         my $portage_cairo = "/etc/portage/pack    618         my $portage_cairo = "/etc/portage/package.use/graphviz";
618                                                   619 
619         if (qx(grep imagemagick $portage_image    620         if (qx(grep imagemagick $portage_imagemagick 2>/dev/null) eq "") {
620                 printf("\tsudo su -c 'echo \"$    621                 printf("\tsudo su -c 'echo \"$imagemagick\" > $portage_imagemagick'\n")
621         }                                         622         }
622         if (qx(grep graphviz $portage_cairo 2>    623         if (qx(grep graphviz $portage_cairo 2>/dev/null) eq  "") {
623                 printf("\tsudo su -c 'echo \"$    624                 printf("\tsudo su -c 'echo \"$cairo\" > $portage_cairo'\n");
624         }                                         625         }
625                                                   626 
626         printf("\tsudo emerge --ask $install\n    627         printf("\tsudo emerge --ask $install\n");
627                                                   628 
628 }                                                 629 }
629                                                   630 
630 sub check_distros()                               631 sub check_distros()
631 {                                                 632 {
632         # Distro-specific hints                   633         # Distro-specific hints
633         if ($system_release =~ /Red Hat Enterp    634         if ($system_release =~ /Red Hat Enterprise Linux/) {
634                 give_redhat_hints;                635                 give_redhat_hints;
635                 return;                           636                 return;
636         }                                         637         }
637         if ($system_release =~ /CentOS/) {        638         if ($system_release =~ /CentOS/) {
638                 give_redhat_hints;                639                 give_redhat_hints;
639                 return;                           640                 return;
640         }                                         641         }
641         if ($system_release =~ /Scientific Lin    642         if ($system_release =~ /Scientific Linux/) {
642                 give_redhat_hints;                643                 give_redhat_hints;
643                 return;                           644                 return;
644         }                                         645         }
645         if ($system_release =~ /Oracle Linux S    646         if ($system_release =~ /Oracle Linux Server/) {
646                 give_redhat_hints;                647                 give_redhat_hints;
647                 return;                           648                 return;
648         }                                         649         }
649         if ($system_release =~ /Fedora/) {        650         if ($system_release =~ /Fedora/) {
650                 give_redhat_hints;                651                 give_redhat_hints;
651                 return;                           652                 return;
652         }                                         653         }
653         if ($system_release =~ /Ubuntu/) {        654         if ($system_release =~ /Ubuntu/) {
654                 give_debian_hints;                655                 give_debian_hints;
655                 return;                           656                 return;
656         }                                         657         }
657         if ($system_release =~ /Debian/) {        658         if ($system_release =~ /Debian/) {
658                 give_debian_hints;                659                 give_debian_hints;
659                 return;                           660                 return;
660         }                                         661         }
661         if ($system_release =~ /openSUSE/) {      662         if ($system_release =~ /openSUSE/) {
662                 give_opensuse_hints;              663                 give_opensuse_hints;
663                 return;                           664                 return;
664         }                                         665         }
665         if ($system_release =~ /Mageia/) {        666         if ($system_release =~ /Mageia/) {
666                 give_mageia_hints;                667                 give_mageia_hints;
667                 return;                           668                 return;
668         }                                         669         }
669         if ($system_release =~ /OpenMandriva/)    670         if ($system_release =~ /OpenMandriva/) {
670                 give_mageia_hints;                671                 give_mageia_hints;
671                 return;                           672                 return;
672         }                                         673         }
673         if ($system_release =~ /Arch Linux/) {    674         if ($system_release =~ /Arch Linux/) {
674                 give_arch_linux_hints;            675                 give_arch_linux_hints;
675                 return;                           676                 return;
676         }                                         677         }
677         if ($system_release =~ /Gentoo/) {        678         if ($system_release =~ /Gentoo/) {
678                 give_gentoo_hints;                679                 give_gentoo_hints;
679                 return;                           680                 return;
680         }                                         681         }
681                                                   682 
682         #                                         683         #
683         # Fall-back to generic hint code for o    684         # Fall-back to generic hint code for other distros
684         # That's far from ideal, specially for    685         # That's far from ideal, specially for LaTeX dependencies.
685         #                                         686         #
686         my %map = (                               687         my %map = (
687                 "sphinx-build" => "sphinx"        688                 "sphinx-build" => "sphinx"
688         );                                        689         );
689         check_missing_tex(2) if ($pdf);           690         check_missing_tex(2) if ($pdf);
690         check_missing(\%map);                     691         check_missing(\%map);
691         print "I don't know distro $system_rel    692         print "I don't know distro $system_release.\n";
692         print "So, I can't provide you a hint     693         print "So, I can't provide you a hint with the install procedure.\n";
693         print "There are likely missing depend    694         print "There are likely missing dependencies.\n";
694 }                                                 695 }
695                                                   696 
696 #                                                 697 #
697 # Common dependencies                             698 # Common dependencies
698 #                                                 699 #
699                                                   700 
700 sub deactivate_help()                             701 sub deactivate_help()
701 {                                                 702 {
702         printf "\n    If you want to exit the  !! 703         printf "\nIf you want to exit the virtualenv, you can use:\n";
703         printf "\tdeactivate\n";                  704         printf "\tdeactivate\n";
704 }                                                 705 }
705                                                   706 
706 sub get_virtenv()                                 707 sub get_virtenv()
707 {                                                 708 {
708         my $ver;                                  709         my $ver;
709         my $min_activate = "$ENV{'PWD'}/${virt    710         my $min_activate = "$ENV{'PWD'}/${virtenv_prefix}${min_version}/bin/activate";
710         my @activates = glob "$ENV{'PWD'}/${vi    711         my @activates = glob "$ENV{'PWD'}/${virtenv_prefix}*/bin/activate";
711                                                   712 
712         @activates = sort {$b cmp $a} @activat    713         @activates = sort {$b cmp $a} @activates;
713                                                   714 
714         foreach my $f (@activates) {              715         foreach my $f (@activates) {
715                 next if ($f lt $min_activate);    716                 next if ($f lt $min_activate);
716                                                   717 
717                 my $sphinx_cmd = $f;              718                 my $sphinx_cmd = $f;
718                 $sphinx_cmd =~ s/activate/sphi    719                 $sphinx_cmd =~ s/activate/sphinx-build/;
719                 next if (! -f $sphinx_cmd);       720                 next if (! -f $sphinx_cmd);
720                                                   721 
721                 my $ver = get_sphinx_version($    722                 my $ver = get_sphinx_version($sphinx_cmd);
722                                                << 
723                 if (!$ver) {                   << 
724                         $f =~ s#/bin/activate# << 
725                         print("Warning: virtua << 
726                 }                              << 
727                                                << 
728                 if ($need_sphinx && ($ver ge $    723                 if ($need_sphinx && ($ver ge $min_version)) {
729                         return ($f, $ver);        724                         return ($f, $ver);
730                 } elsif ($ver gt $cur_version)    725                 } elsif ($ver gt $cur_version) {
731                         return ($f, $ver);        726                         return ($f, $ver);
732                 }                                 727                 }
733         }                                         728         }
734         return ("", "");                          729         return ("", "");
735 }                                                 730 }
736                                                   731 
737 sub recommend_sphinx_upgrade()                    732 sub recommend_sphinx_upgrade()
738 {                                                 733 {
739         my $venv_ver;                             734         my $venv_ver;
740                                                   735 
741         # Avoid running sphinx-builds from ven    736         # Avoid running sphinx-builds from venv if $cur_version is good
742         if ($cur_version && ($cur_version ge $    737         if ($cur_version && ($cur_version ge $rec_version)) {
743                 $latest_avail_ver = $cur_versi    738                 $latest_avail_ver = $cur_version;
744                 return;                           739                 return;
745         }                                         740         }
746                                                   741 
747         # Get the highest version from sphinx_    742         # Get the highest version from sphinx_*/bin/sphinx-build and the
748         # corresponding command to activate th    743         # corresponding command to activate the venv/virtenv
749         ($activate_cmd, $venv_ver) = get_virte !! 744         $activate_cmd = get_virtenv();
750                                                   745 
751         # Store the highest version from Sphin    746         # Store the highest version from Sphinx existing virtualenvs
752         if (($activate_cmd ne "") && ($venv_ve    747         if (($activate_cmd ne "") && ($venv_ver gt $cur_version)) {
753                 $latest_avail_ver = $venv_ver;    748                 $latest_avail_ver = $venv_ver;
754         } else {                                  749         } else {
755                 $latest_avail_ver = $cur_versi    750                 $latest_avail_ver = $cur_version if ($cur_version);
756         }                                         751         }
757                                                   752 
758         # As we don't know package version of     753         # As we don't know package version of Sphinx, and there's no
759         # virtual environments, don't check if    754         # virtual environments, don't check if upgrades are needed
760         if (!$virtualenv) {                       755         if (!$virtualenv) {
761                 return if (!$latest_avail_ver)    756                 return if (!$latest_avail_ver);
762         }                                         757         }
763                                                   758 
764         # Either there are already a virtual e    759         # Either there are already a virtual env or a new one should be created
765         $need_pip = 1;                            760         $need_pip = 1;
766                                                   761 
767         return if (!$latest_avail_ver);        << 
768                                                << 
769         # Return if the reason is due to an up    762         # Return if the reason is due to an upgrade or not
770         if ($latest_avail_ver lt $rec_version)    763         if ($latest_avail_ver lt $rec_version) {
771                 $rec_sphinx_upgrade = 1;          764                 $rec_sphinx_upgrade = 1;
772         }                                         765         }
773                                                << 
774         return $latest_avail_ver;              << 
775 }                                                 766 }
776                                                   767 
777 #                                                 768 #
778 # The logic here is complex, as it have to dea    769 # The logic here is complex, as it have to deal with different versions:
779 #       - minimal supported version;              770 #       - minimal supported version;
780 #       - minimal PDF version;                    771 #       - minimal PDF version;
781 #       - recommended version.                    772 #       - recommended version.
782 # It also needs to work fine with both distro'    773 # It also needs to work fine with both distro's package and venv/virtualenv
783 sub recommend_sphinx_version($)                   774 sub recommend_sphinx_version($)
784 {                                                 775 {
785         my $virtualenv_cmd = shift;               776         my $virtualenv_cmd = shift;
786                                                   777 
                                                   >> 778         if ($latest_avail_ver lt $min_pdf_version) {
                                                   >> 779                 print "note: If you want pdf, you need at least Sphinx $min_pdf_version.\n";
                                                   >> 780         }
                                                   >> 781 
787         # Version is OK. Nothing to do.           782         # Version is OK. Nothing to do.
788         if ($cur_version && ($cur_version ge $ !! 783         return if ($cur_version && ($cur_version ge $rec_version));
789                 return;                        << 
790         };                                     << 
791                                                   784 
792         if (!$need_sphinx) {                      785         if (!$need_sphinx) {
793                 # sphinx-build is present and     786                 # sphinx-build is present and its version is >= $min_version
794                                                   787 
795                 #only recommend enabling a new    788                 #only recommend enabling a newer virtenv version if makes sense.
796                 if ($latest_avail_ver gt $cur_    789                 if ($latest_avail_ver gt $cur_version) {
797                         printf "\nYou may also    790                         printf "\nYou may also use the newer Sphinx version $latest_avail_ver with:\n";
798                         printf "\tdeactivate\n    791                         printf "\tdeactivate\n"  if ($ENV{'PWD'} =~ /${virtenv_prefix}/);
799                         printf "\t. $activate_    792                         printf "\t. $activate_cmd\n";
800                         deactivate_help();        793                         deactivate_help();
801                                                   794 
802                         return;                   795                         return;
803                 }                                 796                 }
804                 return if ($latest_avail_ver g    797                 return if ($latest_avail_ver ge $rec_version);
805         }                                         798         }
806                                                   799 
807         if (!$virtualenv) {                       800         if (!$virtualenv) {
808                 # No sphinx either via package    801                 # No sphinx either via package or via virtenv. As we can't
809                 # Compare the versions here, j    802                 # Compare the versions here, just return, recommending the
810                 # user to install it from the     803                 # user to install it from the package distro.
811                 return if (!$latest_avail_ver)    804                 return if (!$latest_avail_ver);
812                                                   805 
813                 # User doesn't want a virtenv     806                 # User doesn't want a virtenv recommendation, but he already
814                 # installed one via virtenv wi    807                 # installed one via virtenv with a newer version.
815                 # So, print commands to enable    808                 # So, print commands to enable it
816                 if ($latest_avail_ver gt $cur_    809                 if ($latest_avail_ver gt $cur_version) {
817                         printf "\nYou may also    810                         printf "\nYou may also use the Sphinx virtualenv version $latest_avail_ver with:\n";
818                         printf "\tdeactivate\n    811                         printf "\tdeactivate\n"  if ($ENV{'PWD'} =~ /${virtenv_prefix}/);
819                         printf "\t. $activate_    812                         printf "\t. $activate_cmd\n";
820                         deactivate_help();        813                         deactivate_help();
821                                                   814 
822                         return;                   815                         return;
823                 }                                 816                 }
824                 print "\n";                       817                 print "\n";
825         } else {                                  818         } else {
826                 $need++ if ($need_sphinx);        819                 $need++ if ($need_sphinx);
827         }                                         820         }
828                                                   821 
829         # Suggest newer versions if current on    822         # Suggest newer versions if current ones are too old
830         if ($latest_avail_ver && $latest_avail !! 823         if ($latest_avail_ver && $cur_version ge $min_version) {
831                 # If there's a good enough ver    824                 # If there's a good enough version, ask the user to enable it
832                 if ($latest_avail_ver ge $rec_    825                 if ($latest_avail_ver ge $rec_version) {
833                         printf "\nNeed to acti    826                         printf "\nNeed to activate Sphinx (version $latest_avail_ver) on virtualenv with:\n";
834                         printf "\t. $activate_    827                         printf "\t. $activate_cmd\n";
835                         deactivate_help();        828                         deactivate_help();
836                                                   829 
837                         return;                   830                         return;
838                 }                                 831                 }
839                                                   832 
840                 # Version is above the minimal    833                 # Version is above the minimal required one, but may be
841                 # below the recommended one. S    834                 # below the recommended one. So, print warnings/notes
842                                                   835 
843                 if ($latest_avail_ver lt $rec_    836                 if ($latest_avail_ver lt $rec_version) {
844                         print "Warning: It is     837                         print "Warning: It is recommended at least Sphinx version $rec_version.\n";
845                 }                                 838                 }
846         }                                         839         }
847                                                   840 
848         # At this point, either it needs Sphin    841         # At this point, either it needs Sphinx or upgrade is recommended,
849         # both via pip                            842         # both via pip
850                                                   843 
851         if ($rec_sphinx_upgrade) {                844         if ($rec_sphinx_upgrade) {
852                 if (!$virtualenv) {               845                 if (!$virtualenv) {
853                         print "Instead of inst    846                         print "Instead of install/upgrade Python Sphinx pkg, you could use pip/pypi with:\n\n";
854                 } else {                          847                 } else {
855                         print "To upgrade Sphi    848                         print "To upgrade Sphinx, use:\n\n";
856                 }                                 849                 }
857         } else {                                  850         } else {
858                 print "\nSphinx needs to be in !! 851                 print "Sphinx needs to be installed either as a package or via pip/pypi with:\n";
859         }                                         852         }
860                                                   853 
861         $python_cmd = find_python_no_venv();      854         $python_cmd = find_python_no_venv();
862                                                   855 
863         printf "\t$virtualenv_cmd $virtenv_dir    856         printf "\t$virtualenv_cmd $virtenv_dir\n";
864                                                   857 
865         printf "\t. $virtenv_dir/bin/activate\    858         printf "\t. $virtenv_dir/bin/activate\n";
866         printf "\tpip install -r $requirement_    859         printf "\tpip install -r $requirement_file\n";
867         deactivate_help();                        860         deactivate_help();
868                                                << 
869         printf "\n2) As a package with:\n";    << 
870                                                << 
871         my $old_need = $need;                  << 
872         my $old_optional = $optional;          << 
873         %missing = ();                         << 
874         $pdf = 0;                              << 
875         $optional = 0;                         << 
876         $install = "";                         << 
877         $verbose_warn_install = 0;             << 
878                                                << 
879         add_package("python-sphinx", 0);       << 
880                                                << 
881         check_distros();                       << 
882                                                << 
883         $need = $old_need;                     << 
884         $optional = $old_optional;             << 
885                                                << 
886         printf "\n    Please note that Sphinx  << 
887         printf "   warning when the same name  << 
888         printf "   structs, enums,...). This i << 
889         printf "\thttps://github.com/sphinx-do << 
890 }                                                 861 }
891                                                   862 
892 sub check_needs()                                 863 sub check_needs()
893 {                                                 864 {
894         # Check if Sphinx is already accessibl    865         # Check if Sphinx is already accessible from current environment
895         check_sphinx();                           866         check_sphinx();
896                                                   867 
897         if ($system_release) {                    868         if ($system_release) {
898                 print "Detected OS: $system_re    869                 print "Detected OS: $system_release.\n";
899         } else {                                  870         } else {
900                 print "Unknown OS\n";             871                 print "Unknown OS\n";
901         }                                         872         }
902         printf "Sphinx version: %s\n\n", $cur_    873         printf "Sphinx version: %s\n\n", $cur_version if ($cur_version);
903                                                   874 
904         # Check python command line, trying fi    875         # Check python command line, trying first python3
905         $python_cmd = findprog("python3");        876         $python_cmd = findprog("python3");
906         $python_cmd = check_program("python",     877         $python_cmd = check_program("python", 0) if (!$python_cmd);
907                                                   878 
908         # Check the type of virtual env, depen    879         # Check the type of virtual env, depending on Python version
909         if ($python_cmd) {                        880         if ($python_cmd) {
910                 if ($virtualenv) {                881                 if ($virtualenv) {
911                         my $tmp = qx($python_c    882                         my $tmp = qx($python_cmd --version 2>&1);
912                         if ($tmp =~ m/(\d+\.)(    883                         if ($tmp =~ m/(\d+\.)(\d+\.)/) {
913                                 if ($1 < 3) {     884                                 if ($1 < 3) {
914                                         # Fail    885                                         # Fail if it finds python2 (or worse)
915                                         die "P    886                                         die "Python 3 is required to build the kernel docs\n";
916                                 }                 887                                 }
917                                 if ($1 == 3 &&    888                                 if ($1 == 3 && $2 < 3) {
918                                         # Need    889                                         # Need Python 3.3 or upper for venv
919                                         $need_    890                                         $need_virtualenv = 1;
920                                 }                 891                                 }
921                         } else {                  892                         } else {
922                                 die "Warning:     893                                 die "Warning: couldn't identify $python_cmd version!";
923                         }                         894                         }
924                 } else {                          895                 } else {
925                         add_package("python-sp    896                         add_package("python-sphinx", 0);
926                 }                                 897                 }
927         }                                         898         }
928                                                   899 
929         my $venv_ver = recommend_sphinx_upgrad !! 900         recommend_sphinx_upgrade();
930                                                   901 
931         my $virtualenv_cmd;                       902         my $virtualenv_cmd;
932                                                   903 
933         if ($need_pip) {                          904         if ($need_pip) {
934                 # Set virtualenv command line,    905                 # Set virtualenv command line, if python < 3.3
935                 if ($need_virtualenv) {           906                 if ($need_virtualenv) {
936                         $virtualenv_cmd = find    907                         $virtualenv_cmd = findprog("virtualenv-3");
937                         $virtualenv_cmd = find    908                         $virtualenv_cmd = findprog("virtualenv-3.5") if (!$virtualenv_cmd);
938                         if (!$virtualenv_cmd)     909                         if (!$virtualenv_cmd) {
939                                 check_program(    910                                 check_program("virtualenv", 0);
940                                 $virtualenv_cm    911                                 $virtualenv_cmd = "virtualenv";
941                         }                         912                         }
942                 } else {                          913                 } else {
943                         $virtualenv_cmd = "$py    914                         $virtualenv_cmd = "$python_cmd -m venv";
944                         check_python_module("e    915                         check_python_module("ensurepip", 0);
945                 }                                 916                 }
946         }                                         917         }
947                                                   918 
948         # Check for needed programs/tools         919         # Check for needed programs/tools
949         check_perl_module("Pod::Usage", 0);       920         check_perl_module("Pod::Usage", 0);
950         check_python_module("yaml", 0);        << 
951         check_program("make", 0);                 921         check_program("make", 0);
952         check_program("gcc", 0);                  922         check_program("gcc", 0);
                                                   >> 923         check_python_module("sphinx_rtd_theme", 1) if (!$virtualenv);
953         check_program("dot", 1);                  924         check_program("dot", 1);
954         check_program("convert", 1);              925         check_program("convert", 1);
955                                                   926 
956         # Extra PDF files - should use 2 for i    927         # Extra PDF files - should use 2 for is_optional
957         check_program("xelatex", 2) if ($pdf);    928         check_program("xelatex", 2) if ($pdf);
958         check_program("rsvg-convert", 2) if ($    929         check_program("rsvg-convert", 2) if ($pdf);
959         check_program("latexmk", 2) if ($pdf);    930         check_program("latexmk", 2) if ($pdf);
960                                                   931 
961         # Do distro-specific checks and output    932         # Do distro-specific checks and output distro-install commands
962         check_distros();                          933         check_distros();
963                                                   934 
964         if (!$python_cmd) {                       935         if (!$python_cmd) {
965                 if ($need == 1) {                 936                 if ($need == 1) {
966                         die "Can't build as $n    937                         die "Can't build as $need mandatory dependency is missing";
967                 } elsif ($need) {                 938                 } elsif ($need) {
968                         die "Can't build as $n    939                         die "Can't build as $need mandatory dependencies are missing";
969                 }                                 940                 }
970         }                                         941         }
971                                                   942 
972         # Check if sphinx-build is called sphi    943         # Check if sphinx-build is called sphinx-build-3
973         if ($need_symlink) {                      944         if ($need_symlink) {
974                 printf "\tsudo ln -sf %s /usr/    945                 printf "\tsudo ln -sf %s /usr/bin/sphinx-build\n\n",
975                        which("sphinx-build-3")    946                        which("sphinx-build-3");
976         }                                         947         }
977                                                   948 
978         recommend_sphinx_version($virtualenv_c    949         recommend_sphinx_version($virtualenv_cmd);
979         printf "\n";                              950         printf "\n";
980                                                   951 
981         print "All optional dependencies are m    952         print "All optional dependencies are met.\n" if (!$optional);
982                                                   953 
983         if ($need == 1) {                         954         if ($need == 1) {
984                 die "Can't build as $need mand    955                 die "Can't build as $need mandatory dependency is missing";
985         } elsif ($need) {                         956         } elsif ($need) {
986                 die "Can't build as $need mand    957                 die "Can't build as $need mandatory dependencies are missing";
987         }                                         958         }
988                                                   959 
989         print "Needed package dependencies are    960         print "Needed package dependencies are met.\n";
990 }                                                 961 }
991                                                   962 
992 #                                                 963 #
993 # Main                                            964 # Main
994 #                                                 965 #
995                                                   966 
996 while (@ARGV) {                                   967 while (@ARGV) {
997         my $arg = shift(@ARGV);                   968         my $arg = shift(@ARGV);
998                                                   969 
999         if ($arg eq "--no-virtualenv") {          970         if ($arg eq "--no-virtualenv") {
1000                 $virtualenv = 0;                 971                 $virtualenv = 0;
1001         } elsif ($arg eq "--no-pdf"){            972         } elsif ($arg eq "--no-pdf"){
1002                 $pdf = 0;                        973                 $pdf = 0;
1003         } elsif ($arg eq "--version-check"){     974         } elsif ($arg eq "--version-check"){
1004                 $version_check = 1;              975                 $version_check = 1;
1005         } else {                                 976         } else {
1006                 print "Usage:\n\t$0 <--no-vir    977                 print "Usage:\n\t$0 <--no-virtualenv> <--no-pdf> <--version-check>\n\n";
1007                 print "Where:\n";                978                 print "Where:\n";
1008                 print "\t--no-virtualenv\t- R    979                 print "\t--no-virtualenv\t- Recommend installing Sphinx instead of using a virtualenv\n";
1009                 print "\t--version-check\t- i    980                 print "\t--version-check\t- if version is compatible, don't check for missing dependencies\n";
1010                 print "\t--no-pdf\t- don't ch    981                 print "\t--no-pdf\t- don't check for dependencies required to build PDF docs\n\n";
1011                 exit -1;                         982                 exit -1;
1012         }                                        983         }
1013 }                                                984 }
1014                                                  985 
1015 #                                                986 #
1016 # Determine the system type. There's no stand    987 # Determine the system type. There's no standard unique way that would
1017 # work with all distros with a minimal packag    988 # work with all distros with a minimal package install. So, several
1018 # methods are used here.                         989 # methods are used here.
1019 #                                                990 #
1020 # By default, it will use lsb_release functio    991 # By default, it will use lsb_release function. If not available, it will
1021 # fail back to reading the known different pl    992 # fail back to reading the known different places where the distro name
1022 # is stored                                      993 # is stored
1023 #                                                994 #
1024                                                  995 
1025 $system_release = qx(lsb_release -d) if which    996 $system_release = qx(lsb_release -d) if which("lsb_release");
1026 $system_release =~ s/Description:\s*// if ($s    997 $system_release =~ s/Description:\s*// if ($system_release);
1027 $system_release = catcheck("/etc/system-relea    998 $system_release = catcheck("/etc/system-release") if !$system_release;
1028 $system_release = catcheck("/etc/redhat-relea    999 $system_release = catcheck("/etc/redhat-release") if !$system_release;
1029 $system_release = catcheck("/etc/lsb-release"    1000 $system_release = catcheck("/etc/lsb-release") if !$system_release;
1030 $system_release = catcheck("/etc/gentoo-relea    1001 $system_release = catcheck("/etc/gentoo-release") if !$system_release;
1031                                                  1002 
1032 # This seems more common than LSB these days     1003 # This seems more common than LSB these days
1033 if (!$system_release) {                          1004 if (!$system_release) {
1034         my %os_var;                              1005         my %os_var;
1035         if (open IN, "cat /etc/os-release|")     1006         if (open IN, "cat /etc/os-release|") {
1036                 while (<IN>) {                   1007                 while (<IN>) {
1037                         if (m/^([\w\d\_]+)=\"    1008                         if (m/^([\w\d\_]+)=\"?([^\"]*)\"?\n/) {
1038                                 $os_var{$1}=$    1009                                 $os_var{$1}=$2;
1039                         }                        1010                         }
1040                 }                                1011                 }
1041                 $system_release = $os_var{"NA    1012                 $system_release = $os_var{"NAME"};
1042                 if (defined($os_var{"VERSION_    1013                 if (defined($os_var{"VERSION_ID"})) {
1043                         $system_release .= "     1014                         $system_release .= " " . $os_var{"VERSION_ID"} if (defined($os_var{"VERSION_ID"}));
1044                 } else {                         1015                 } else {
1045                         $system_release .= "     1016                         $system_release .= " " . $os_var{"VERSION"};
1046                 }                                1017                 }
1047         }                                        1018         }
1048 }                                                1019 }
1049 $system_release = catcheck("/etc/issue") if !    1020 $system_release = catcheck("/etc/issue") if !$system_release;
1050 $system_release =~ s/\s+$//;                     1021 $system_release =~ s/\s+$//;
1051                                                  1022 
1052 check_needs;                                     1023 check_needs;
                                                      

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