Re: [perl #21261] B::Terse not outputting correct constants or variable names

[p5sagit/p5-mst-13.2.git] / ext / DynaLoader / DynaLoader_pm.PL

diff --git a/ext/DynaLoader/DynaLoader_pm.PL b/ext/DynaLoader/DynaLoader_pm.PL
index fa2ec0e..05fe3f7 100644 (file)
--- a/ext/DynaLoader/DynaLoader_pm.PL
+++ b/ext/DynaLoader/DynaLoader_pm.PL
@@ -77,6 +77,9 @@ $Is_VMS    = $^O eq 'VMS';
 $do_expand = $Is_VMS;
 $Is_MacOS  = $^O eq 'MacOS';
 
+my $Mac_FS;
+$Mac_FS = eval { require Mac::FileSpec::Unixish } if $Is_MacOS;
+
 @dl_require_symbols = ();       # names of symbols we need
 @dl_resolve_using   = ();       # names of files to link with
 @dl_library_path    = ();       # path to look for files
@@ -234,6 +237,11 @@ sub bootstrap {
     # It may also edit @modparts if required.
     $modfname = &mod2fname(\@modparts) if defined &mod2fname;
 
+    # Truncate the module name to 8.3 format for NetWare
+       if (($^O eq 'NetWare') && (length($modfname) > 8)) {
+               $modfname = substr($modfname, 0, 8);
+       }
+
     my $modpname = join(($Is_MacOS ? ':' : '/'),@modparts);
 
     print STDERR "DynaLoader::bootstrap for $module ",
@@ -246,17 +254,22 @@ sub bootstrap {
        chop($_ = VMS::Filespec::unixpath($_)) if $Is_VMS;
        my $dir;
        if ($Is_MacOS) {
-           chop $_  if /:$/;
-           $dir = "$_:auto:$modpname";
+           my $path = $_;
+           if ($Mac_FS && ! -d $path) {
+               $path = Mac::FileSpec::Unixish::nativize($path);
+           }
+           $path .= ":"  unless /:$/;
+           $dir = "${path}auto:$modpname";
        } else {
            $dir = "$_/auto/$modpname";
        }
+       
        next unless -d $dir; # skip over uninteresting directories
-
+       
        # check for common cases to avoid autoload of dl_findfile
        my $try = $Is_MacOS ? "$dir:$modfname.$dl_dlext" : "$dir/$modfname.$dl_dlext";
-       last if $file = ($do_expand) ? dl_expandspec($try) : (-f $try && $try);
-
+       last if $file = ($do_expand) ? dl_expandspec($try) : ((-f $try) && $try);
+       
        # no luck here, save dir for possible later dl_findfile search
        push @dirs, $dir;
     }
@@ -282,6 +295,14 @@ sub bootstrap {
         warn "$bs: $@\n" if $@;
     }
 
+    my $boot_symbol_ref;
+
+    if ($^O eq 'darwin') {
+        if ($boot_symbol_ref = dl_find_symbol(0, $bootname)) {
+            goto boot; #extension library has already been loaded, e.g. darwin
+        }
+    }
+
     # Many dynamic extension loading problems will appear to come from
     # this section of code: XYZ failed at line 123 of DynaLoader.pm.
     # Often these errors are actually occurring in the initialisation
@@ -300,13 +321,14 @@ sub bootstrap {
        Carp::carp("Undefined symbols present after loading $file: @unresolved\n");
     }
 
-    my $boot_symbol_ref = dl_find_symbol($libref, $bootname) or
+    $boot_symbol_ref = dl_find_symbol($libref, $bootname) or
          croak("Can't find '$bootname' symbol in $file\n");
 
-    my $xs = dl_install_xsub("${module}::bootstrap", $boot_symbol_ref, $file);
-
     push(@dl_modules, $module); # record loaded module
 
+  boot:
+    my $xs = dl_install_xsub("${module}::bootstrap", $boot_symbol_ref, $file);
+
     # See comment block above
     &$xs(@args);
 }
@@ -514,7 +536,9 @@ useless for accessing non-Perl libraries because it provides almost no
 Perl-to-C 'glue'.  There is, for example, no mechanism for calling a C
 library function or supplying arguments.  A C::DynaLib module
 is available from CPAN sites which performs that function for some
-common system types.
+common system types.  And since the year 2000, there's also Inline::C,
+a module that allows you to write Perl subroutines in C.  Also available
+from your local CPAN site.
 
 DynaLoader Interface Summary