accelerate make_installer by forking a lot less on windows

solenv/bin/modules/installer/archivefiles.pm

@@ -36,6 +36,7 @@ use installer::globals;
 use installer::logger;
 use installer::pathanalyzer;
 use installer::systemactions;
+use Cwd;
 
 #################################################################
 # Changing the name for files with flag RENAME_TO_LANGUAGE
@@ -261,10 +262,13 @@ sub resolving_archive_flag
 
             my $counter = 0;
             my $contains_dll = 0;
+            my @dllList = ();
+            my @dirs = ();
             foreach my $member ( $zip->memberNames() )
             {
                 $counter++;
-                if ( $member =~ /.dll\s*$/ ) { $contains_dll = 1; }
+                if ( $member =~ /.dll\s*$/i ) { $contains_dll = 1; push(@dllList, $member); }
+                if ( $member =~ m/\/$/ ) { push(@dirs, $member); }
             }
 
             if (! ( $counter > 0 )) # the zipfile is empty
@@ -281,31 +285,34 @@ sub resolving_archive_flag
 
                     if (( $^O =~ /cygwin/i ) && ( $contains_dll ))
                     {
-                        # Make dll's executable
-                        $systemcall = "cd $unzipdir; find . -name \\*.dll -exec chmod 775 \{\} \\\;";
-                        $returnvalue = system($systemcall);
-                        $infoline = "Systemcall: $systemcall\n";
+                        my $dir = getcwd();
+                        chdir($unzipdir);
+                        my $changed = chmod(0755, @dllList);
+                        $infoline = "Changed mode of $changed files (of ".scalar(@dllList).")\n";
                         push( @installer::globals::logfileinfo, $infoline);
+                        chdir($dir);
 
-                        if ($returnvalue)
+                        if ($changed != scalar(@dllList))
                         {
-                            $infoline = "ERROR: Could not execute \"$systemcall\"!\n";
+                            $infoline = "ERROR: Could not chmod all files!\n";
                             push( @installer::globals::logfileinfo, $infoline);
                         }
                     }
 
-                    if ( ! $installer::globals::iswindowsbuild )
+                    if ( ! $installer::globals::iswindowsbuild && scalar(@dirs) > 0 )
                     {
+                        my $dir = getcwd();
+                        chdir($unzipdir);
                         # Setting unix rights to "775" for all created directories inside the package
+                        my $changed = chmod(0755, @dirs);
+                        $infoline = "Changed mode of : $changed; should be: ".scalar(@dirs)."\n";
+                        chdir($dir);
 
-                        $systemcall = "cd $unzipdir; find . -type d -exec chmod 775 \{\} \\\;";
-                        $returnvalue = system($systemcall);
-                        $infoline = "Systemcall: $systemcall\n";
                         push( @installer::globals::logfileinfo, $infoline);
 
-                        if ($returnvalue)
+                        if ($changed != scalar(@dirs))
                         {
-                            $infoline = "ERROR: Could not execute \"$systemcall\"!\n";
+                            $infoline = "ERROR: Could not chmod all files!\n";
                             push( @installer::globals::logfileinfo, $infoline);
                         }
                     }