Mercurial > gnulib
view m4/sigaction.m4 @ 10233:5c92e27f02d2
Require AC_C_INLINE.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 22 Jun 2008 21:43:15 +0200 |
parents | 29502a2dd08a |
children | 82d7fa700d94 |
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# sigaction.m4 serial 2 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], [ dnl Due to autoconf conventions, we can't tell if HAVE_SIGACTION dnl means we have the type or means we have the function. We assume dnl that all implementations either have both or neither. 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 gl_PREREQ_SIG_HANDLER_H ])