-foreach my $module (@SL::InstallationCheck::required_modules) {
- print("Looking for $module->{name}...");
- if (!SL::InstallationCheck::module_available($module->{"name"})) {
- print(" NOT found\n" .
- " The module '$module->{name}' is not available on your system.\n" .
- " Please install it with the CPAN shell, e.g.\n" .
- " perl -MCPAN -e \"install $module->{name}\"\n" .
- " or download it from this URL and install it manually:\n" .
- " $module->{url}\n\n");
- } else {
- print(" ok\n");
- }
+check($_, 0) for @SL::InstallationCheck::required_modules;
+check($_, 1) for @SL::InstallationCheck::optional_modules;
+
+sub check {
+ my ($module, $optional) = @_;
+
+ print "Looking for $module->{fullname}...";
+ my $res = SL::InstallationCheck::module_available($module->{"name"}, $module->{version});
+ print $res ? '' : " NOT", " ok\n";
+
+ return if $res;
+
+ my $needed_text = $optional
+ ? 'It is OPTIONAL for Lx-Office but recommended for improved functionality.'
+ : 'It is NEEDED by Lx-Office and must be installed.';
+
+ my @source_texts = source_texts($module);
+ local $" = $/;
+ print <<EOL;
++-----------------------------------------------------------------------------+
+ $module->{fullname} could not be loaded.
+
+ This module is either too old or not available on your system.
+ $needed_text
+
+ Here are some ideas how to get it:
+
+@source_texts
++-----------------------------------------------------------------------------+
+EOL
+}
+
+sub source_texts {
+ my ($module) = @_;
+ my @texts;
+ push @texts, <<EOL;
+ - You can get it from CPAN:
+ perl -MCPAN -e "install $module->{name}"
+EOL
+ push @texts, <<EOL if $module->{url};
+ - You can download it from this URL and install it manually:
+ $module->{url}
+EOL
+ push @texts, <<EOL if $module->{debian};
+ - On Debian, Ubuntu and other distros you can install it with apt-get:
+ sudo apt-get install $module->{debian}
+ Note: These may be out of date as well if your system is old.
+EOL
+ # TODO: SuSE and Fedora packaging. Windows packaging.
+
+ return @texts;