dev-tools/autoconf: add debug output if configure fails
@@ -57,7 +57,7 @@ their use.
cp /usr/lib/rpm/config.guess build-aux
%endif
-./configure --prefix=%{install_path}
+./configure --prefix=%{install_path} || { cat config.log && exit 1; }
%install
make %{?_smp_mflags} DESTDIR=$RPM_BUILD_ROOT install
