lcd: Fix kernel tests build and install

src/platform/kernel/Makefile.am

@@ -28,8 +28,9 @@ export AM_CPPFLAGS COMMON_SRCS
 
 LIBFIPC_KBUILD=@abs_top_builddir@/src/platform/kernel
 LIBFIPC_TESTS_KBUILD=@abs_top_builddir@/src/platform/kernel/tests
+LIBFIPC_PATH=../libfipc.a # relative to tests dir
 
-export LIBFIPC_TESTS_KBUILD
+export LIBFIPC_TESTS_KBUILD LIBFIPC_PATH
 
 if ENABLE_KERNEL_TESTS_BUILD
 

src/platform/kernel/tests/Makefile.am

 
-LIBFIPC=$(abs_top_buildir)/src/platform/kernel/libfipc.a
-export LIBFIPC
-
 # D=install dir (something/lib)
 install-tests:
 	cp $(LIBFIPC_TESTS_KBUILD)/rpc/libfipc_test_rpc.ko $(D)

src/platform/kernel/tests/rpc/Kbuild.in

@@ -6,8 +6,9 @@ src = @abs_top_srcdir@/src/platform/kernel/tests/rpc
 
 obj-m = libfipc_test_rpc.o
 
+# Path are relative to root test/ dir
 libfipc_test_rpc-y += main.o callee.o caller.o
-libfipc_test_rpc-y += $(LIBFIPC)
+libfipc_test_rpc-y += ../$(LIBFIPC_PATH) # libfipc.a is relative to tests/
 
 # Add -DCHECK_MESSAGES to check that message values contain what is expected
 ccflags-y += $(CFLAGS) $(AM_CPPFLAGS) -DCHECK_MESSAGES

src/platform/kernel/tests/test_helpers.h

@@ -69,7 +69,7 @@ test_fipc_wait_for_thread(struct task_struct *thread)
 {
 	int ret;
 	ret = kthread_stop(thread);
-	release_thread(thread);
+	test_fipc_release_thread(thread);
 	return ret;
 }