Mercurial > gnulib
view m4/sigaction.m4 @ 10245:18a5b4f796a2
Update after lib/sig-handler.h is no longer included by lib/sigprocmask.c.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Mon, 23 Jun 2008 22:45:30 +0200 |
parents | f3834f370cbd |
children | a6493a165dd2 |
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# sigaction.m4 serial 3 dnl Copyright (C) 2008 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. # Determine if sigaction interface is present. AC_DEFUN([gl_SIGACTION], [ AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) AC_REPLACE_FUNCS([sigaction]) if test $ac_cv_func_sigaction = no ; then HAVE_SIGACTION=0 AC_SUBST([HAVE_SIGACTION]) gl_PREREQ_SIGACTION fi ]) # Prerequisites of the part of lib/signal.in.h and of lib/sigaction.c. AC_DEFUN([gl_PREREQ_SIGACTION], [ AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) AC_REQUIRE([AC_C_RESTRICT]) AC_REQUIRE([AC_TYPE_UID_T]) AC_CHECK_FUNCS_ONCE([sigaltstack siginterrupt]) AC_CHECK_TYPES([siginfo_t], [], [], [[ #include <signal.h> ]]) if test $ac_cv_type_siginfo_t = no; then HAVE_SIGINFO_T=0 AC_SUBST([HAVE_SIGINFO_T]) fi ]) # Prerequisites of lib/sig-handler.h. AC_DEFUN([gl_PREREQ_SIG_HANDLER_H], [ AC_REQUIRE([AC_C_INLINE]) : ])