--- configure.ac_orig	2011-02-25 16:20:48.000000000 -0800
+++ configure.ac	2011-02-25 16:21:19.000000000 -0800
@@ -27,8 +27,10 @@
 AC_STRUCT_TM
 
 dnl Check for MMDB.
-AM_PATH_MMDB([echo Found mmdb], [echo Error locating necessary mmdb; exit 1])
-
+# AM_PATH_MMDB([echo Found mmdb], [echo Error locating necessary mmdb; exit 1])
+PKG_CHECK_MODULES(MMDB, mmdb >= 1.23)
+AC_SUBST(MMDB_CFLAGS)
+AC_SUBST(MMDB_LIBS)
 
 # Checks for library functions.
 AC_FUNC_STRTOD
--- src/Makefile.am_orig	2007-09-03 13:58:00.000000000 -0700
+++ src/Makefile.am	2008-11-10 01:38:24.000000000 -0800
@@ -5,7 +5,8 @@
 
 lib_LTLIBRARIES = libssm.la
 
-INCLUDES = $(MMDB_CXXFLAGS)
+AM_CPPFLAGS = @MMDB_CFLAGS@
+LIBS = @MMDB_LIBS@
 
 libssm_h_sources = ss_csia.h ss_graph.h ssm_align.h ssm_superpose.h ss_vxedge.h