1# Test for __inline keyword
2dnl Copyright 2017-2020 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl___INLINE],
8[
9  AC_CACHE_CHECK([whether the compiler supports the __inline keyword],
10    [gl_cv_c___inline],
11    [AC_COMPILE_IFELSE(
12       [AC_LANG_PROGRAM(
13         [[typedef int foo_t;
14           static __inline foo_t foo (void) { return 0; }]],
15         [[return foo ();]])],
16       [gl_cv_c___inline=yes],
17       [gl_cv_c___inline=no])])
18  if test $gl_cv_c___inline = yes; then
19    AC_DEFINE([HAVE___INLINE], [1],
20      [Define to 1 if the compiler supports the keyword '__inline'.])
21  fi
22])
23