The version of GNU Make in Nixpkgs is "broken" in the sense that it
produces additional output, making `AM_MAKE_INCLUDE' (tested by `make.test')
fail.  Thus, we just disable `make.test' for now.

See http://article.gmane.org/gmane.comp.sysutils.automake.bugs/4234 .

--- automake-1.10/tests/Makefile.in	2006-10-15 19:25:25.000000000 +0200
+++ automake-1.10/tests/Makefile.in	2008-07-02 16:40:35.000000000 +0200
@@ -482,7 +482,6 @@ ltdeps.test \
 ltlibobjs.test \
 ltlibsrc.test \
 maintclean.test \
-make.test \
 makej.test \
 makevars.test \
 man.test \