40 lines
1.3 KiB
Meson
40 lines
1.3 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 padding of non-finite
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# values with the 0 flag correctly. (ISO C99 + TC1 + TC2.) See
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# <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html>
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# Result is gl_cv_func_printf_flag_zero.
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printf_flag_zero_test = '''
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#include <stdio.h>
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#include <string.h>
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static char buf[100];
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static double zero = 0.0;
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int main ()
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{
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if (sprintf (buf, "%010f", 1.0 / zero, 33, 44, 55) < 0
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|| (strcmp (buf, " inf") != 0
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&& strcmp (buf, " infinity") != 0))
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return 1;
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return 0;
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}
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'''
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if not meson.is_cross_build() or meson.has_exe_wrapper()
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run_result = cc.run(printf_flag_zero_test,
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name : 'printf supports the zero flag correctly')
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gl_cv_func_printf_flag_zero = run_result.compiled() and run_result.returncode() == 0
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else
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if host_system in ['linux', 'android']
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gl_cv_func_printf_flag_zero = true
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elif host_system.startswith ('beos')
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gl_cv_func_printf_flag_zero = true
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elif host_system == 'windows'
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gl_cv_func_printf_flag_zero = false
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else
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gl_cv_func_printf_flag_zero = false
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endif
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endif
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