1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
# Copyright (C) 2002-2004, 2006-2018 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# Test whether the *printf family of functions supports 'long double'
# arguments together with the 'L' size specifier. (ISO C99, POSIX:2001)
# Result is gl_cv_func_printf_long_double.
printf_long_double_test = '''
#include <stdio.h>
#include <string.h>
static char buf[10000];
int main ()
{
int result = 0;
buf[0] = '\0';
if (sprintf (buf, "%Lf %d", 1.75L, 33) < 0
|| strcmp (buf, "1.750000 33") != 0)
result |= 1;
buf[0] = '\0';
if (sprintf (buf, "%Le %d", 1.75L, 33) < 0
|| strcmp (buf, "1.750000e+00 33") != 0)
result |= 2;
buf[0] = '\0';
if (sprintf (buf, "%Lg %d", 1.75L, 33) < 0
|| strcmp (buf, "1.75 33") != 0)
result |= 4;
return result;
}
'''
if meson.can_run_host_binaries()
run_result = cc.run(printf_long_double_test,
name : 'printf supports \'long double\' arguments')
gl_cv_func_printf_long_double = run_result.compiled() and run_result.returncode() == 0
else
if host_system.startswith ('beos')
gl_cv_func_printf_long_double = false
elif host_system == 'windows'
# Guess yes on MSVC, no on mingw.
if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
gl_cv_func_printf_long_double = true
else
gl_cv_func_printf_long_double = false
endif
else
gl_cv_func_printf_long_double = true
endif
endif
|
