# raise.m4 serial 4

dnl Copyright (C) 2011-2020 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.

AC_DEFUN([gl_FUNC_RAISE],

[

  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])

  AC_REQUIRE([AC_CANONICAL_HOST])

  AC_CHECK_FUNCS([raise])

  if test $ac_cv_func_raise = no; then

    HAVE_RAISE=0

  else

    m4_ifdef([gl_MSVC_INVAL], [

      AC_REQUIRE([gl_MSVC_INVAL])

      if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then

        REPLACE_RAISE=1

      fi

    ])

    m4_ifdef([gl_SIGNALBLOCKING], [

      gl_SIGNALBLOCKING

      if test $HAVE_POSIX_SIGNALBLOCKING = 0; then

        m4_ifdef([gl_SIGNAL_SIGPIPE], [

          gl_SIGNAL_SIGPIPE

          if test $gl_cv_header_signal_h_SIGPIPE != yes; then

            REPLACE_RAISE=1

          fi

        ], [:])

      fi

    ])

  fi

])

# Prerequisites of lib/raise.c.

AC_DEFUN([gl_PREREQ_RAISE], [:])