From: Dima Kogan <dima@secretsauce.net>
Date: Sat, 16 Nov 2013 21:52:51 -0800
Subject: Make now knows about a source dependency and can rebuild
 intelligently
Forwarded: https://github.com/jlapeyre/PDL-IO-Matlab/issues/2

---
 Makefile.PL | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Makefile.PL b/Makefile.PL
index b765d42..2f1c35f 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -27,7 +27,14 @@ my %more_items = (
 
 map { $hash{$_} = $more_items{$_} } keys %more_items;
 
-sub MY::postamble {  pdlpp_postamble($matlab_package)};
+sub MY::postamble {
+  # These are #included, so make now knows to rebuild the .o when these .c
+  # change
+  "Matlab.o: extra_matio.c convert_matvar_pdl.c\n" .
+    pdlpp_postamble($matlab_package)
+  }
+
+
 
 
 WriteMakefile( %hash );