1 # raise.m4 serial 3 2 dnl Copyright (C) 2011-2012 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], [:]) 35