diff --git a/gtsam/3rdparty/ccolamd/ChangeLog b/gtsam/3rdparty/ccolamd/ChangeLog
index 807135c4d..84f7e44b2 100644
--- a/gtsam/3rdparty/ccolamd/ChangeLog
+++ b/gtsam/3rdparty/ccolamd/ChangeLog
@@ -6,6 +6,7 @@ June 2, 2011:
 		* Added UFconfig.[c|h] from the UFconfig suitesparse package
 		* Renamed licence file to LGPL.txt - contents remain the same
 		* All code is unchanged from original
+		* Note: DLONG define removed from build script for compatibility - only necessary to build for long version
 
 
 Original ChangeLog by authors
diff --git a/gtsam/3rdparty/ccolamd/Makefile.am b/gtsam/3rdparty/ccolamd/Makefile.am
index 7732736f1..4110d5df9 100644
--- a/gtsam/3rdparty/ccolamd/Makefile.am
+++ b/gtsam/3rdparty/ccolamd/Makefile.am
@@ -7,12 +7,9 @@
 # header files are qualified so they can be included in external projects.
 AUTOMAKE_OPTIONS = nostdinc
 
-headers =
-sources = 
-
 # CCOLAMD (with UFconfig files included)
-headers += ccolamd.h UFconfig.h
-sources += ccolamd.c ccolamd_global.c UFconfig.c 
+headers = ccolamd.h UFconfig.h
+sources = ccolamd.c ccolamd_global.c UFconfig.c 
 
 #----------------------------------------------------------------------------------------------------
 # Create a libtool library that is not installed
@@ -26,5 +23,5 @@ libccolamd_la_SOURCES = $(sources)
 
 AM_CPPFLAGS =
 
-AM_CPPFLAGS += $(BOOST_CPPFLAGS) -I$(top_srcdir) -DDLONG 
+AM_CPPFLAGS += $(BOOST_CPPFLAGS) -I$(top_srcdir) 
 AM_LDFLAGS = $(BOOST_LDFLAGS)