mirror of https://gitee.com/openkylin/glib2.0.git
51 lines
1.5 KiB
Meson
51 lines
1.5 KiB
Meson
# Copyright (C) 2002-2004, 2006-2018 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# Test whether the *printf family of functions supports 'long double'
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# arguments together with the 'L' size specifier. (ISO C99, POSIX:2001)
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# Result is gl_cv_func_printf_long_double.
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printf_long_double_test = '''
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#include <stdio.h>
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#include <string.h>
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static char buf[10000];
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int main ()
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{
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int result = 0;
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buf[0] = '\0';
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if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0
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|| strcmp (buf, "1.750000 33") != 0)
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result |= 1;
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buf[0] = '\0';
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if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0
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|| strcmp (buf, "1.750000e+00 33") != 0)
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result |= 2;
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buf[0] = '\0';
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if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0
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|| strcmp (buf, "1.75 33") != 0)
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result |= 4;
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return result;
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}
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'''
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if meson.can_run_host_binaries()
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run_result = cc.run(printf_long_double_test,
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name : 'printf supports \'long double\' arguments')
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gl_cv_func_printf_long_double = run_result.compiled() and run_result.returncode() == 0
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else
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if host_system.startswith ('beos')
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gl_cv_func_printf_long_double = false
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elif host_system == 'windows'
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# Guess yes on MSVC, no on mingw.
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if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
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gl_cv_func_printf_long_double = true
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else
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gl_cv_func_printf_long_double = false
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endif
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else
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gl_cv_func_printf_long_double = true
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endif
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endif
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