1 dnl Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 dnl Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 dnl CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 dnl This library is free software; you can redistribute it and/or
7 dnl modify it under the terms of the GNU Lesser General Public
8 dnl License as published by the Free Software Foundation; either
9 dnl version 2.1 of the License.
11 dnl This library is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 dnl Lesser General Public License for more details.
16 dnl You should have received a copy of the GNU Lesser General Public
17 dnl License along with this library; if not, write to the Free Software
18 dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 dnl @synopsis AC_CXX_BOOL
23 dnl If the compiler recognizes bool as a separate built-in type,
24 dnl define HAVE_BOOL. Note that a typedef is not a separate
25 dnl type since you cannot overload a function such that it accepts either
26 dnl the basic type or the typedef.
28 dnl @author Luc Maisonobe
30 AC_DEFUN([AC_CXX_BOOL],
31 [AC_CACHE_CHECK(whether the compiler recognizes bool as a built-in type,
36 int f(int x){return 1;}
37 int f(char x){return 1;}
38 int f(bool x){return 1;}
39 ],[bool b = true; return f(b);],
40 ac_cv_cxx_bool=yes, ac_cv_cxx_bool=no)
43 if test "$ac_cv_cxx_bool" = yes; then
44 AC_DEFINE(HAVE_BOOL,,[define if bool is a built-in type])