1 files changed, 89 insertions, 0 deletions
diff --git a/cygwin/perlld.in b/cygwin/perlld.in
new file mode 100644
index 0000000000..19a1a2f7b9
--- /dev/null
+++ b/cygwin/perlld.in
@@ -0,0 +1,89 @@
+#
+# Perl script being a wrapper around the gnu ld. When a dll is specified to
+#   to be built, special processing is done, else the standard ld is called.
+#
+
+# theese are pretty mandatory
+my $CC = '@CC@';
+my $DLLWRAP = '@DLLWRAP@';
+
+# following are optional.
+my $WRAPDRIVER = '@WRAPDRIVER@';
+my $AS = '@AS@';
+my $DLLTOOL = '@DLLTOOL@';
+my $EXPORT_ALL = @EXPORT_ALL@;
+# if some of extensions are undefined,
+# no corresponding output will be done.
+# most probably, you'd like to have an export library
+my $DEF_EXT = '@DEF_EXT@';
+# my $EXP_EXT = '@EXP_EXT@';
+my $LIB_EXT = '@LIB_EXT@';
+
+#my $DEBUG ="perlld.out";
+my $DEBUG =undef;
+
+my $args = join(" ",@ARGV); # get args
+my $verbose =grep(/^\-(v|\-verbose)$/, @ARGV);
+
+sub shellexec;
+
+if ($DEBUG) {
+  open DEBUGFILE, ">>$DEBUG";
+  print DEBUGFILE "\n--- " .localtime() ."\nargs:\n$args\n\nenvironment:\n";
+  foreach (keys(%ENV)) { print DEBUGFILE $_, "=", $ENV{$_}, "\n"; };
+}
+
+if ($args !~ /\-o (\S+)/) {
+  print DEBUGFILE "+ no dll output -- passing to gcc\n\n" if $DEBUG;
+  shellexec("$CC $args\n");
+} else {
+  my ($path, $command, $dllname, $libname) ='';
+
+  $dllname =$1;
+  print DEBUGFILE "output file: $dllname\n" if $DEBUG;
+  # remove -o from args
+  $args =~ s/(^| )\-o \S+/$1/;
+
+  # Check for path:
+  if( $dllname =~ /.*[\/\\]/){
+    $dllname = $';
+    $path = $&;
+    $path =~ s,[/\\](\.[/\\])*,/,g;
+  }
+  if ($dllname =~ /\./) { $libname =$`; } else { $libname =$dllname; };
+  $dllname ="$libname.dll";
+  $libname ="lib$libname" unless ($libname =~ /^lib/);
+  print DEBUGFILE "dll name: $dllname\nimport library: $libname\npath: $path\n" if $DEBUG;
+
+  $command ="$DLLWRAP --dllname $dllname";
+  $command .=" --driver-name $WRAPDRIVER" if $WRAPDRIVER;
+  $command .=" --dlltool $DLLTOOL" if $DLLTOOL;
+  $command .=" --export-all-symbols" if $EXPORT_ALL;
+  $command .=" --as $AS" if $AS;
+  $command .=" --verbose" if $verbose;
+
+  $command .=" --output-def $libname$DEF_EXT" if $DEF_EXT;
+  $command .=" --output-exp $libname$EXP_EXT" if $EXP_EXT;
+  $command .=" --output-lib $libname$LIB_EXT" if $LIB_EXT;
+
+  # other args are passed through
+  shellexec("$command \\\n$args\n");
+
+  if ($path) {
+    $command ="mv $dllname";
+    $command .=" $libname$LIB_EXT" if $LIB_EXT;
+    shellexec("$command $path\n");
+  };
+};
+close DEBUGFILE if $DEBUG;
+
+#---------------------------------------------------------------------------
+sub shellexec{
+  my $command =shift;
+  print $command;
+  print DEBUGFILE $command if $DEBUG;
+  system($command) == 0
+    or die "perlld: *** system() failed to execute\n$command\n";
+};
+
+1;