Index: /issm/trunk/m4/issm_options.m4
===================================================================
--- /issm/trunk/m4/issm_options.m4	(revision 7680)
+++ /issm/trunk/m4/issm_options.m4	(revision 7681)
@@ -583,4 +583,48 @@
 	fi
 	AC_MSG_RESULT($HAVE_BLACS)
+	dnl }}}
+	dnl hypre{{{1
+	AC_ARG_WITH([hypre-dir],
+			  AS_HELP_STRING([--with-hypre-dir = DIR],
+							 [hypre root directory]),
+			  [HYPRE_ROOT=$withval],[HYPRE_ROOT=""])
+			  
+	AC_MSG_CHECKING(for Hypre headers and libraries in $HYPRE_ROOT)
+	if test -d "$HYPRE_ROOT"; then
+
+		dnl defaults
+		HAVE_HYPRE=yes
+		HYPREINCL=""
+		HYPRELIB=-L"$HYPRE_ROOT/ -lHYPRE"
+        
+		AC_DEFINE([_HAVE_HYPRE_],[1],[with Blacs in ISSM src])
+		AC_SUBST([HYPREINCL])
+		AC_SUBST([HYPRELIB])
+	else
+		HAVE_HYPRE=no
+	fi
+	AC_MSG_RESULT($HAVE_HYPRE)
+	dnl }}}
+	dnl ml{{{1
+	AC_ARG_WITH([ml-dir],
+			  AS_HELP_STRING([--with-ml-dir = DIR],
+							 [ml root directory]),
+			  [ML_ROOT=$withval],[ML_ROOT=""])
+			  
+	AC_MSG_CHECKING(for Ml headers and libraries in $ML_ROOT)
+	if test -d "$ML_ROOT"; then
+
+		dnl defaults
+		HAVE_ML=yes
+		MLINCL=""
+		MLLIB=-L"$ML_ROOT/ -lml"
+        
+		AC_DEFINE([_HAVE_ML_],[1],[with Blacs in ISSM src])
+		AC_SUBST([MLINCL])
+		AC_SUBST([MLLIB])
+	else
+		HAVE_ML=no
+	fi
+	AC_MSG_RESULT($HAVE_ML)
 	dnl }}}
 	dnl math{{{1