Import Upstream version 2.72.4

glib/gnulib/gl_cv_func_printf_long_double/meson.build

@@ -0,0 +1,50 @@
+# Copyright (C) 2002-2004, 2006-2018 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# Test whether the *printf family of functions supports 'long double'
+# arguments together with the 'L' size specifier. (ISO C99, POSIX:2001)
+# Result is gl_cv_func_printf_long_double.
+
+printf_long_double_test = '''
+#include <stdio.h>
+#include <string.h>
+static char buf[10000];
+int main ()
+{
+  int result = 0;
+  buf[0] = '\0';
+  if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0
+      || strcmp (buf, "1.750000 33") != 0)
+    result |= 1;
+  buf[0] = '\0';
+  if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0
+      || strcmp (buf, "1.750000e+00 33") != 0)
+    result |= 2;
+  buf[0] = '\0';
+  if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0
+      || strcmp (buf, "1.75 33") != 0)
+    result |= 4;
+  return result;
+}
+'''
+
+if not meson.is_cross_build() or meson.has_exe_wrapper()
+  run_result = cc.run(printf_long_double_test,
+      name : 'printf supports \'long double\' arguments')
+  gl_cv_func_printf_long_double = run_result.compiled() and run_result.returncode() == 0
+else
+ if host_system.startswith ('beos')
+   gl_cv_func_printf_long_double = false
+ elif host_system == 'windows'
+   # Guess yes on MSVC, no on mingw.
+   if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
+     gl_cv_func_printf_long_double = true
+   else
+     gl_cv_func_printf_long_double = false
+   endif
+ else
+   gl_cv_func_printf_long_double = true
+ endif
+endif