From e55f42c5287b7c501db41d19ea1cc052104ea070 Mon Sep 17 00:00:00 2001 From: Marvin Scholz Date: Wed, 11 Jul 2018 12:10:11 +0200 Subject: [PATCH] Fix: Do not accept unknown flags with clang --- configure.ac | 3 +++ 1 file changed, 3 insertions(+) diff --git a/configure.ac b/configure.ac index e770f4fd..5aa47c01 100644 --- a/configure.ac +++ b/configure.ac @@ -22,6 +22,9 @@ AS_IF([test "${ac_cv_prog_cc_c99}" = "no"], [ AX_APPEND_COMPILE_FLAGS([-Wall -Wextra -Wno-unused-parameter]) +dnl With clang, we want an error for unknown flags instead of just warn +AX_APPEND_COMPILE_FLAGS([-Werror=unknown-warning-option -Werror=invalid-command-line-argument]) + AC_SYS_LARGEFILE AC_DEFINE([_GNU_SOURCE], 1, [Define to include GNU extensions to POSIX])