m4/raise.m4

   1 # raise.m4 serial 3
   2 dnl Copyright (C) 2011-2013 Free Software Foundation, Inc.
   3 dnl This file is free software; the Free Software Foundation
   4 dnl gives unlimited permission to copy and/or distribute it,
   5 dnl with or without modifications, as long as this notice is preserved.
   6
   7 AC_DEFUN([gl_FUNC_RAISE],
   8 [
   9   AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
  10   AC_REQUIRE([AC_CANONICAL_HOST])
  11   AC_REQUIRE([gl_MSVC_INVAL])
  12   AC_CHECK_FUNCS([raise])
  13   if test $ac_cv_func_raise = no; then
  14     HAVE_RAISE=0
  15   else
  16     if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
  17       REPLACE_RAISE=1
  18     fi
  19     m4_ifdef([gl_SIGNALBLOCKING], [
  20       gl_SIGNALBLOCKING
  21       if test $HAVE_POSIX_SIGNALBLOCKING = 0; then
  22         m4_ifdef([gl_SIGNAL_SIGPIPE], [
  23           gl_SIGNAL_SIGPIPE
  24           if test $gl_cv_header_signal_h_SIGPIPE != yes; then
  25             REPLACE_RAISE=1
  26           fi
  27         ], [:])
  28       fi
  29     ])
  30   fi
  31 ])
  32
  33 # Prerequisites of lib/raise.c.
  34 AC_DEFUN([gl_PREREQ_RAISE], [:])