-# Prerequisites of the part of lib/signal.in.h and of lib/sigprocmask.c.
-AC_DEFUN([gl_PREREQ_SIGPROCMASK],
-[
- AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
- 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
- HAVE_SIGSET_T=0
- fi
- dnl HAVE_SIGSET_T is 1 if the system lacks the sigprocmask function but has
- dnl the sigset_t type.
- AC_SUBST([HAVE_SIGSET_T])
-])
+# Prerequisites of lib/sigprocmask.c.
+AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:])