Recent autoconf don't like variables in AC_CHECK_INCLUDE so we get a warning. In libtirpc.m4 we only need to check for the existence of a file, we don't need to extra support for includes, such as defining HAVE_TIRPC_H or whatever. So change from AC_CHECK_INCLUDE to AC_CHECK_FILE. Signed-off-by: NeilBrown <neilb@xxxxxxx> --- aclocal/libtirpc.m4 | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/aclocal/libtirpc.m4 b/aclocal/libtirpc.m4 index f7de5193c177..bddae0226931 100644 --- a/aclocal/libtirpc.m4 +++ b/aclocal/libtirpc.m4 @@ -49,9 +49,9 @@ AC_DEFUN([AC_LIBTIRPC_OLD], [ dnl Also must have the headers installed where we expect dnl to look for headers; add -I compiler option if found AS_IF([test "$has_libtirpc" = "yes"], - [AC_CHECK_HEADERS([${tirpc_header_dir}/netconfig.h], - [AC_SUBST([AM_CPPFLAGS], ["-I${tirpc_header_dir}"])], - [has_libtirpc="no"])]) + [AC_CHECK_FILE([${tirpc_header_dir}/netconfig.h], + [AC_SUBST([AM_CPPFLAGS], ["-I${tirpc_header_dir}"])], + [has_libtirpc="no"])]) dnl Now set $LIBTIRPC accordingly AS_IF([test "$has_libtirpc" = "yes"], -- 2.36.1