From 4016a069c65756374c38e3fd80805c247d1255b0 Mon Sep 17 00:00:00 2001 From: ABC Date: Wed, 20 Apr 2022 22:26:35 +0300 Subject: [PATCH 08/17] gen_compat_def: Catch 'dereferencing pointer to incomplete type' If `CONFIG_NF_CONNTRACK_EVENTS` is undeclared following test produce build error: Test member nf_ct_event_notifier.ct_event net/netfilter/nf_conntrack_ecache.h undeclared Error: unexpected error from compiler make -s -B M=cc-test-build modules cc-test-build/test.c:4:41: error: dereferencing pointer to incomplete type 'struct nf_ct_event_notifier' typeof(((struct nf_ct_event_notifier*)0)->ct_event) test; ^~ scripts/Makefile.build:288: recipe for target 'cc-test-build/test.o' failed Treat this error as just a negative test case. --- gen_compat_def | 1 + 1 file changed, 1 insertion(+) diff --git a/gen_compat_def b/gen_compat_def index 35803a2..396fdb9 100755 --- a/gen_compat_def +++ b/gen_compat_def @@ -49,6 +49,7 @@ kbuild_test_compile() { -e 'No such file or directory' \ -e 'incompatible types when initializing' \ -e 'initializer element is not constant' \ + -e 'dereferencing pointer to incomplete type' \ log; then echo "Error: unexpected error from compiler" >&2 cat log >&2 -- 2.39.5