perlcall.pod SAVETMPS/FREETMPS bracket

[p5sagit/p5-mst-13.2.git] / utils / h2xs.PL

diff --git a/utils/h2xs.PL b/utils/h2xs.PL
index 8003291..52f590b 100644 (file)
--- a/utils/h2xs.PL
+++ b/utils/h2xs.PL
@@ -2,6 +2,7 @@
 
 use Config;
 use File::Basename qw(&basename &dirname);
+use Cwd;
 
 # List explicitly here the variables you want Configure to
 # generate.  Metaconfig only looks for shell variables, so you
@@ -12,6 +13,7 @@ use File::Basename qw(&basename &dirname);
 
 # This forces PL files to create target in same directory as PL file.
 # This is so that make depend always knows where to find PL derivatives.
+$origdir = cwd;
 chdir dirname($0);
 $file = basename($0, '.PL');
 $file .= '.com' if $^O eq 'VMS';
@@ -486,6 +488,7 @@ sub AUTOLOAD {
 
     my \$constname;
     (\$constname = \$AUTOLOAD) =~ s/.*:://;
+    croak "&$module::constant not defined" if \$constname eq 'constant';
     my \$val = constant(\$constname, \@_ ? \$_[0] : 0);
     if (\$! != 0) {
        if (\$! =~ /Invalid/) {
@@ -496,7 +499,7 @@ sub AUTOLOAD {
                croak "Your vendor has not defined $module macro \$constname";
        }
     }
-    eval "sub \$AUTOLOAD { \$val }";
+    *\$AUTOLOAD = sub () { \$val };
     goto &\$AUTOLOAD;
 }
 
@@ -899,3 +902,4 @@ close MANI;
 close OUT or die "Can't close $file: $!";
 chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
 exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
+chdir $origdir;