--- DevIL-1.7.8/devil-1.7.8/configure.ac.orig	2009-03-08 21:43:03.000000000 +0100
+++ DevIL-1.7.8/devil-1.7.8/configure.ac	2010-10-16 11:14:19.027741043 +0200
@@ -336,7 +336,9 @@
 	    [],
 	    [with_libsquish="yes"])
 AS_IF([test "x$with_libsquish" = "xyes"],
-      [DEVIL_CHECK_LIBSQUISH])
+      [AC_LANG([C++])
+       DEVIL_CHECK_LIBSQUISH
+       AC_LANG([C])])
 
 AC_ARG_WITH([nvtt],
 	    [AS_HELP_STRING([--with-nvtt[[=yes/no]]],