--- gnucash-2.6.4/configure.ac	2014-09-28 02:11:31.000000000 +0200
+++ gnucash-2.6.4.patche/configure.ac	2014-10-01 23:55:11.095602881 +0200
@@ -463,7 +463,9 @@
                   [guile-1.8 >= 1.8.5],
                   [m4_ifdef([GUILE1_8_PROGS],
                             [ GUILE1_8_PROGS ],
-                            [ GUILE_PROGS ])
+                            [ m4_ifdef([GUILE1_PROGS],
+				       [ GUILE1_PROGS ],
+				       [ GUILE_PROGS ])])
                   ], [
   PKG_CHECK_MODULES(GUILE,
                   [guile-2.0 >= 2.0.0],