config: Add check for long double

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>
This commit is contained in:
Christophe de Dinechin 2021-02-07 07:04:43 +01:00
parent f2b321a4be
commit 2bd0e0efdc
1 changed files with 41 additions and 0 deletions

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config/check_longdouble.c Normal file
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// *****************************************************************************
// check_longdouble.c make-it-quick project
// *****************************************************************************
//
// File description:
//
// Check if compiler offers a long double type
//
// (I know, this is a bit outdated)
//
//
//
//
//
//
// *****************************************************************************
// This software is licensed under the GNU General Public License v3
// (C) 2018-2019, Christophe de Dinechin <christophe@dinechin.org>
// *****************************************************************************
// This file is part of make-it-quick
//
// make-it-quick is free software: you can r redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// make-it-quick is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with make-it-quick, in a file named COPYING.
// If not, see <https://www.gnu.org/licenses/>.
// *****************************************************************************
int main()
{
long double x = 0.0;
return sizeof(x) > sizeof(double) ? 0 : 1;
}