57 lines
1.3 KiB
Meson
57 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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ldexpl_test = '''
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#include <math.h>
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extern
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#ifdef __cplusplus
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"C"
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#endif
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#if !defined (_MSC_VER) || defined (TEST_LDEXPL_DECL)
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long double ldexpl (long double, int);
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#endif
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int main()
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{
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int result = 0;
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{
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volatile long double x = 1.0;
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volatile long double y = ldexpl (x, -1);
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if (y != 0.5L)
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result |= 1;
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}
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{
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volatile long double x = 1.73205L;
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volatile long double y = ldexpl (x, 0);
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if (y != x)
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result |= 2;
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}
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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(ldexpl_test,
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name : 'ldexpl works',
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dependencies : [libm])
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gl_cv_func_ldexpl_works = run_result.compiled() and run_result.returncode() == 0
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else
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if host_system.startswith ('aix')
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gl_cv_func_ldexpl_works = false
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elif host_system == 'windows'
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gl_cv_func_ldexpl_works = true
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else
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gl_cv_func_ldexpl_works = true
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endif
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endif
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ldexpl_test_decl = '''
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#define TEST_LDEXPL_DECL 1
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''' + ldexpl_test
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build_result = cc.compiles(ldexpl_test_decl,
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name : 'ldexpl prototype can be re-listed')
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gl_cv_func_ldexpl_decl = build_result
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