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--- autoconf/colpack.m4.orig	2014-05-21 09:01:30.749673830 -0700
+++ autoconf/colpack.m4	2014-05-21 09:01:30.749673830 -0700
@@ -21,7 +21,7 @@
 COLPACK_LIBS="-lColPack"
 D[[0]]=""
 ])
-
+if test x$colpack != xno; then
 AC_LANG_PUSH([C++])
 save_CXXFLAGS="$CXXFLAGS"
 save_CPPFLAGS="$CPPFLAGS"
@@ -56,6 +56,9 @@
 fi
 done
 AC_LANG_POP([C++])
+else
+    have_colpack=no
+fi
 
 AM_CONDITIONAL(HAVE_LIBCOLPACK,[test x$have_colpack = xyes])
 if test x$have_colpack = xyes; then