as suggested by NI-S.
p4raw-id: //depot/perl@13981
my $retval = <<"EOM";
ppport.h: ppport_h.PL
- \$(PERL) "-I\$(PERL_ARCHLIB)" "-I\$(PERL_LIB)" ppport_h.PL > ppport.h
+ \$(PERL) "-I\$(PERL_ARCHLIB)" "-I\$(PERL_LIB)" ppport_h.PL
-PPPort.xs module2.c module3.c : ppport.h
+PPPort.xs module2.\$(OBJ_EXT) module3.\$(OBJ_EXT) : ppport.h
-\$(TOUCH) \$@
EOM