* Makefile.am (BUILT_SOURCES): Added cpp_err_symbols.c,

* Makefile.am (BUILT_SOURCES): Added cpp_err_symbols.c,
cpp_sig_symbols.c, libpath.h and versiondat.h to BUILT_SOURCES
(libpath.h, versiondat.h): Replaced dependency on Makefile with
dependencies on $(srcdir)/Makefile.in
$(top_builddir)/config.status in order to avoid circularity.

* configure.in (GUILE_LIBS): New variable.  Contains libraries
which libguile needs to be linked with.  Substituted into
libpath.h.

* threads.m4 (threads_package): Don't add $LDFLAGS and $LIBS to
$cy_cv_threads_libs.