--- dpx/libdpx/Makefile.am.orig	2011-11-20 09:55:33.000000000 +0100
+++ dpx/libdpx/Makefile.am	2011-11-20 10:30:43.337652371 +0100
@@ -1,7 +1,7 @@
 
-lib_LIBRARIES = libdpx.a
+lib_LTLIBRARIES = libdpx.la
 
-libdpx_a_SOURCES = Codec.cpp \
+libdpx_la_SOURCES = Codec.cpp \
                    DPX.cpp \
                    DPXHeader.cpp \
                    ElementReadStream.cpp \
--- dpx/tools/dpxheader/Makefile.am.orig	2011-11-20 09:55:33.000000000 +0100
+++ dpx/tools/dpxheader/Makefile.am	2011-11-20 10:36:28.250997251 +0100
@@ -1,5 +1,5 @@
 
-LIBDPX = $(top_builddir)/libdpx/libdpx.a
+LIBDPX = $(top_builddir)/libdpx/libdpx.la
 
 INCLUDES = -I$(top_builddir)/libdpx
 
--- dpx/tools/dpx2tiff/Makefile.am.orig	2011-11-20 09:55:33.000000000 +0100
+++ dpx/tools/dpx2tiff/Makefile.am	2011-11-20 10:36:37.380997558 +0100
@@ -1,5 +1,5 @@
 
-LIBDPX = $(top_builddir)/libdpx/libdpx.a
+LIBDPX = $(top_builddir)/libdpx/libdpx.la
 
 INCLUDES = -I$(top_builddir)/libdpx