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1# Test for __inline keyword
2dnl Copyright 2017-2023 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])