-# Prerequisites of lib/sigprocmask.h and lib/sigprocmask.c.
-AC_DEFUN([gl_PREREQ_SIGPROCMASK], [
- AC_CHECK_TYPES([sigset_t],
- [gl_cv_type_sigset_t=yes], [gl_cv_type_sigset_t=no],
- [#include <signal.h>
-/* Mingw defines sigset_t not in <signal.h>, but in <sys/types.h>. */
-#include <sys/types.h>])
- if test $gl_cv_type_sigset_t = yes; then
- AC_DEFINE([HAVE_SIGSET_T], [1],
- [Define to 1 if you lack the sigprocmask function but have the sigset_t type.])
- fi
- AC_CHECK_FUNCS_ONCE(raise)
-])
+# Prerequisites of lib/sigprocmask.c.
+AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:])