1# Copyright (C) 2002-2004, 2006-2018 Free Software Foundation, Inc. 2# This file is free software; the Free Software Foundation 3# gives unlimited permission to copy and/or distribute it, 4# with or without modifications, as long as this notice is preserved. 5 6# Test whether the *printf family of functions supports the %F format 7# directive. (ISO C99, POSIX:2001) 8# Result is gl_cv_func_printf_directive_f. 9 10printf_directive_f_test = ''' 11#include <stdio.h> 12#include <string.h> 13static char buf[100]; 14static double zero = 0.0; 15int main () 16{ 17 int result = 0; 18 if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0 19 || strcmp (buf, "1234567.000000 33") != 0) 20 result |= 1; 21 if (sprintf (buf, "%F", 1.0 / zero) < 0 22 || (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0)) 23 result |= 2; 24 /* This catches a Cygwin 1.5.x bug. */ 25 if (sprintf (buf, "%.F", 1234.0) < 0 26 || strcmp (buf, "1234") != 0) 27 result |= 4; 28 return result; 29} 30''' 31 32if not meson.is_cross_build() or meson.has_exe_wrapper() 33 run_result = cc.run(printf_directive_f_test, 34 name : 'printf supports the \'F\' directive') 35 gl_cv_func_printf_directive_f = run_result.compiled() and run_result.returncode() == 0 36else 37 if host_system in ['linux', 'android'] 38 gl_cv_func_printf_directive_f = true 39 elif (host_system.startswith ('freebsd1') or 40 host_system.startswith ('freebsd2') or 41 host_system.startswith ('freebsd3') or 42 host_system.startswith ('freebsd4') or 43 host_system.startswith ('freebsd5')) 44 gl_cv_func_printf_directive_f = false 45 elif (host_system.startswith ('freebsd') or 46 host_system.startswith ('kfreebsd')) 47 gl_cv_func_printf_directive_f = true 48 elif (host_system.startswith ('darwin1') or 49 host_system.startswith ('darwin2') or 50 host_system.startswith ('darwin3') or 51 host_system.startswith ('darwin4') or 52 host_system.startswith ('darwin5') or 53 host_system.startswith ('darwin6')) 54 gl_cv_func_printf_directive_f = false 55 elif host_system.startswith ('darwin') 56 gl_cv_func_printf_directive_f = true 57# Split the check from the main if statement, ensure that 58# some meson versions (old ones, presumable) won't try 59# to evaluate host_system[9] when it's shorter than that 60 elif host_system.startswith ('solaris2.') 61 if (host_system[9] == '1' and 62 '0123456789'.contains (host_system[10])) or 63 ('23456789'.contains (host_system[9]) == '1' and 64 '0123456789'.contains (host_system[10])) 65 gl_cv_func_printf_directive_f = true 66 elif host_system.startswith ('solaris') 67 gl_cv_func_printf_directive_f = false 68 endif 69 elif host_system.startswith ('solaris') 70 gl_cv_func_printf_directive_f = false 71 elif host_system == 'windows' 72 # Guess yes on MSVC, no on mingw. 73 if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl' 74 gl_cv_func_printf_directive_f = true 75 else 76 gl_cv_func_printf_directive_f = false 77 endif 78 else 79 gl_cv_func_printf_directive_f = false 80 endif 81endif 82