diff --git a/Makefile.in b/Makefile.in
index 631e32335..f6320061a 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -18,7 +18,7 @@
 #    59 Temple Place - Suite 330
 #    Boston, MA 02111-1307, USA
 #
-#ident "$Id: Makefile.in,v 1.6 1999/07/03 02:12:51 steve Exp $"
+#ident "$Id: Makefile.in,v 1.7 1999/07/03 20:50:28 steve Exp $"
 #
 #
 SHELL = /bin/sh
@@ -46,9 +46,11 @@ CXXFLAGS = @CXXFLAGS@
 LDFLAGS = @LDFLAGS@
 
 all: ivl
+	cd ivlpp ; make all
 
 clean:
 	rm *.o parse.cc parse.cc.output parse.h dep/*.d lexor.cc
+	cd ivlpp ; make clean
 
 TT = t-null.o t-verilog.o t-vvm.o t-xnf.o
 FF = nobufz.o propinit.o sigfold.o stupid.o xnfio.o
@@ -82,6 +84,7 @@ lexor.cc: lexor.lex
 	flex -PVL -s -olexor.cc lexor.lex
 
 install: all installdirs $(bindir)/ivl
+	cd ivlpp ; make install
 
 $(bindir)/ivl: ivl
 	$(INSTALL_PROGRAM) ./ivl $(bindir)/ivl
diff --git a/configure.in b/configure.in
index e539b069b..2604e282d 100644
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,8 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(netlist.h)
 
 dnl Checks for programs.
+AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_INSTALL
 
-AC_OUTPUT(Makefile vvm/Makefile)
+AC_OUTPUT(Makefile ivlpp/Makefile vvm/Makefile)