Adding _FUNCTION_DEF definition will exclude compatibility type definitions that do include void key word in empty argument list. /usr/include/readline/rltypedefs.h:35:23: warning: non-ANSI function declaration of function 'Function' These functions has been replaced by set of new ones in readline 4.2 (April 2001), and removed in 6.3 (February 2014). Reference: https://cnswww.cns.cwru.edu/php/chet/readline/CHANGES Rererence: https://blueslugs.com/blog/2016-10-23-updating-cppfunction-in-old-readline-consumers/ Signed-off-by: Sami Kerola <kerolasa@xxxxxx> --- disk-utils/fdisk.c | 1 + disk-utils/sfdisk.c | 1 + 2 files changed, 2 insertions(+) diff --git a/disk-utils/fdisk.c b/disk-utils/fdisk.c index 4ac58ee4d..f1cd3aa5a 100644 --- a/disk-utils/fdisk.c +++ b/disk-utils/fdisk.c @@ -23,6 +23,7 @@ #include <limits.h> #include <libsmartcols.h> #ifdef HAVE_LIBREADLINE +# define _FUNCTION_DEF # include <readline/readline.h> #endif diff --git a/disk-utils/sfdisk.c b/disk-utils/sfdisk.c index f4f9b6b1a..b492b0cb5 100644 --- a/disk-utils/sfdisk.c +++ b/disk-utils/sfdisk.c @@ -33,6 +33,7 @@ #include <fcntl.h> #include <libsmartcols.h> #ifdef HAVE_LIBREADLINE +# define _FUNCTION_DEF # include <readline/readline.h> #endif #include <libgen.h> -- 2.11.1 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html