81 lines
3 KiB
Meson
81 lines
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 the %F format
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# directive. (ISO C99, POSIX:2001)
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# Result is gl_cv_func_printf_directive_f.
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printf_directive_f_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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int result = 0;
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if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0
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|| strcmp (buf, "1234567.000000 33") != 0)
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result |= 1;
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if (sprintf (buf, "%F", 1.0 / zero) < 0
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|| (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0))
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result |= 2;
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/* This catches a Cygwin 1.5.x bug. */
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if (sprintf (buf, "%.F", 1234.0) < 0
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|| strcmp (buf, "1234") != 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 not meson.is_cross_build() or meson.has_exe_wrapper()
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run_result = cc.run(printf_directive_f_test,
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name : 'printf supports the \'F\' directive')
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gl_cv_func_printf_directive_f = 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_directive_f = true
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elif (host_system.startswith ('freebsd1') or
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host_system.startswith ('freebsd2') or
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host_system.startswith ('freebsd3') or
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host_system.startswith ('freebsd4') or
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host_system.startswith ('freebsd5'))
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gl_cv_func_printf_directive_f = false
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elif (host_system.startswith ('freebsd') or
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host_system.startswith ('kfreebsd'))
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gl_cv_func_printf_directive_f = true
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elif (host_system.startswith ('darwin1') or
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host_system.startswith ('darwin2') or
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host_system.startswith ('darwin3') or
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host_system.startswith ('darwin4') or
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host_system.startswith ('darwin5') or
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host_system.startswith ('darwin6'))
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gl_cv_func_printf_directive_f = false
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elif host_system.startswith ('darwin')
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gl_cv_func_printf_directive_f = true
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# Split the check from the main if statement, ensure that
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# some meson versions (old ones, presumable) won't try
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# to evaluate host_system[9] when it's shorter than that
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elif host_system.startswith ('solaris2.')
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if (host_system[9] == '1' and
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'0123456789'.contains (host_system[10])) or
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('23456789'.contains (host_system[9]) == '1' and
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'0123456789'.contains (host_system[10]))
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gl_cv_func_printf_directive_f = true
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elif host_system.startswith ('solaris')
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gl_cv_func_printf_directive_f = false
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endif
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elif host_system.startswith ('solaris')
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gl_cv_func_printf_directive_f = 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_directive_f = true
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else
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gl_cv_func_printf_directive_f = false
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endif
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else
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gl_cv_func_printf_directive_f = false
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endif
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endif
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