Improved solaris compatibility
diff --git a/Makefile.in b/Makefile.in
index 9f82a9f..0f94b85 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -100,9 +100,9 @@
 	install-exec-recursive installdirs-recursive install-recursive \
 	uninstall-recursive check-recursive installcheck-recursive
 DIST_COMMON = README AUTHORS COPYING ChangeLog INSTALL Makefile.am \
-	Makefile.in NEWS aclocal.m4 config.guess config.h.in config.sub \
-	configure configure.in depcomp install-sh ltmain.sh missing \
-	mkinstalldirs openggsn.spec.in
+	Makefile.in NEWS acinclude.m4 aclocal.m4 config.guess \
+	config.h.in config.sub configure configure.in depcomp \
+	install-sh ltmain.sh missing mkinstalldirs openggsn.spec.in
 DIST_SUBDIRS = $(SUBDIRS)
 all: config.h
 	$(MAKE) $(AM_MAKEFLAGS) all-recursive
@@ -122,7 +122,7 @@
 $(srcdir)/configure:  $(srcdir)/configure.in $(ACLOCAL_M4) $(CONFIGURE_DEPENDENCIES)
 	cd $(srcdir) && $(AUTOCONF)
 
-$(ACLOCAL_M4):  configure.in 
+$(ACLOCAL_M4):  configure.in acinclude.m4
 	cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
 
 config.h: stamp-h1