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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-5.10.229)


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

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