build: add -Werror=undefined-inline to clang builds

PR-URL: https://github.com/nodejs/node/pull/23961
Refs: https://github.com/nodejs/node/pull/23954
Refs: https://github.com/nodejs/node/pull/23910
Refs: https://github.com/nodejs/node/pull/23880
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/node.gypi b/node.gypi
index 0b27e6ad2c..eba49be69c 100644
--- a/node.gypi
+++ b/node.gypi
@@ -32,9 +32,13 @@
       '-Wendif-labels',
       '-W',
       '-Wno-unused-parameter',
+      '-Werror=undefined-inline',
     ],
   },
   'conditions': [
+    ['clang==1', {
+      'cflags': [ '-Werror=undefined-inline', ]
+    }],
     [ 'node_shared=="false"', {
       'msvs_settings': {
         'VCManifestTool': {