Derived changes after change to configure.in
diff --git a/config.h.in b/config.h.in
index 571bc4d..76691ac 100644
--- a/config.h.in
+++ b/config.h.in
@@ -101,6 +101,9 @@
(e.g. void fprintf(FILE *, char *, ...);) *and* <stdarg.h> */
#undef HAVE_STDARG_PROTOTYPES
+/* Define if you have POSIX threads */
+#undef _POSIX_THREADS
+
/* Define to empty if the keyword does not work. */
#undef signed
@@ -258,6 +261,9 @@
/* Define if you have the nsl library (-lnsl). */
#undef HAVE_LIBNSL
+/* Define if you have the pthreads library (-lpthreads). */
+#undef HAVE_LIBPTHREADS
+
/* Define if you have the seq library (-lseq). */
#undef HAVE_LIBSEQ