diff --git a/autogen.sh b/autogen.sh
index e44aa04a5..3781f4878 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -15,7 +15,7 @@ DIE=0
 	DIE=1
 }
 
-(libtool --version) < /dev/null > /dev/null 2>&1 || {
+(libtoolize --version) < /dev/null > /dev/null 2>&1 || {
 	echo
 	echo "You must have libtool installed to compile $PROJECT."
 	echo "Get ftp://alpha.gnu.org/gnu/libtool-1.0h.tar.gz"
diff --git a/src/xspice/icm/makedefs.in b/src/xspice/icm/makedefs.in
index 638bf52d4..502ec0dbf 100644
--- a/src/xspice/icm/makedefs.in
+++ b/src/xspice/icm/makedefs.in
@@ -8,6 +8,7 @@ top_builddir = ../../..
 top_srcdir = @top_srcdir@
 subdir = src/xspice/icm
 mkdir_p = @mkdir_p@
++uname = $(shell uname)
                                                                                 
 # C compiler to use
 CC = @CC@
@@ -22,7 +23,11 @@ CFLAGS = @CFLAGS@ -fPIC -DCM_LINUX
 CMPP = $(TOPDIR)$(top_builddir)/src/xspice/cmpp/cmpp
 
 # Flags to use when linking shared library
+ifeq "$(strip $(uname))" "Darwin"
+LDFLAGS = -bundle -flat_namespace -undefined suppress
+else
 LDFLAGS = -shared
+endif
 
 # The codemodels to make
 CMDIRS = spice2poly digital analog xtradev xtraevt