--- a/configure.ac
+++ b/configure.ac
@@ -45,6 +45,8 @@
 case $host in
     *-*-cygwin*)	AC_SUBST(LIBS, ["-liconv"]);;
     *aix*)		AC_SUBST(LIBS, ["-liconv"]);;
+    *-*-darwin*)	AC_SUBST(LIBS, ["-liconv"]);;
+    *-*-solaris*)	AC_SUBST(LIBS, ["-liconv"]);;
 esac
 
 AC_CONFIG_FILES([Makefile