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- # NOTE: Derived from ../../lib/DynaLoader.pm. Changes made here will be lost.
- package DynaLoader;
-
- sub dl_findfile {
- # Read ext/DynaLoader/DynaLoader.doc for detailed information.
- # This function does not automatically consider the architecture
- # or the perl library auto directories.
- my (@args) = @_;
- my (@dirs, $dir); # which directories to search
- my (@found); # full paths to real files we have found
- my ($vms) = ($Config{'osname'} eq 'VMS');
-
- print STDERR "dl_findfile(@args)\n" if $dl_debug;
-
- # accumulate directories but process files as they appear
- arg: foreach(@args) {
- # Special fast case: full filepath requires no search
- if (m:/: && -f $_ && !$do_expand){
- push(@found,$_);
- last arg unless wantarray;
- next;
- }
-
- # Deal with directories first:
- # Using a -L prefix is the preferred option (faster and more robust)
- if (m:^-L:){ s/^-L//; push(@dirs, $_); next; }
-
- # Otherwise we try to try to spot directories by a heuristic
- # (this is a more complicated issue than it first appears)
- if (m:/: && -d $_){ push(@dirs, $_); next; }
-
- # VMS: we may be using native VMS directry syntax instead of
- # Unix emulation, so check this as well
- if ($vms && /[:>\]]/ && -d $_){ push(@dirs, $_); next; }
-
- # Only files should get this far...
- my(@names, $name); # what filenames to look for
- if (m:-l: ){ # convert -lname to appropriate library name
- s/-l//;
- push(@names,"lib$_.$dl_so");
- push(@names,"lib$_.a");
- }else{ # Umm, a bare name. Try various alternatives:
- # these should be ordered with the most likely first
- push(@names,"$_.$dl_so") unless m/\.$dl_so$/o;
- push(@names,"lib$_.$dl_so") unless m:/:;
- push(@names,"$_.o") unless m/\.(o|$dl_so)$/o;
- push(@names,"$_.a") unless m/\.a$/;
- push(@names, $_);
- }
- foreach $dir (@dirs, @dl_library_path) {
- next unless -d $dir;
- foreach $name (@names) {
- my($file) = "$dir/$name";
- print STDERR " checking in $dir for $name\n" if $dl_debug;
- $file = _check_file($file);
- if ($file){
- push(@found, $file);
- next arg; # no need to look any further
- }
- }
- }
- }
- if ($dl_debug) {
- foreach(@dirs) {
- print STDERR " dl_findfile ignored non-existent directory: $_\n" unless -d $_;
- }
- print STDERR "dl_findfile found: @found\n";
- }
- return $found[0] unless wantarray;
- @found;
- }
-
-
- 1;
-