# Test for __inline keyword dnl Copyright 2017-2023 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl___INLINE], [ AC_CACHE_CHECK([whether the compiler supports the __inline keyword], [gl_cv_c___inline], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[typedef int foo_t; static __inline foo_t foo (void) { return 0; }]], [[return foo ();]])], [gl_cv_c___inline=yes], [gl_cv_c___inline=no])]) if test $gl_cv_c___inline = yes; then AC_DEFINE([HAVE___INLINE], [1], [Define to 1 if the compiler supports the keyword '__inline'.]) fi ])