Link sigchain to surfaceflinger main executable
And export necessary symbols to preempt calls from libart.so
Bug: 15345057
Bug: 15426766
Change-Id: If0b7f59a59824e30aa0c33dad76c7a44932180de
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 49a017f..3416e48 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -106,17 +106,24 @@
# build surfaceflinger's executable
include $(CLEAR_VARS)
-LOCAL_CFLAGS:= -DLOG_TAG=\"SurfaceFlinger\"
+LOCAL_LDFLAGS := -Wl,--version-script,art/sigchainlib/version-script.txt -Wl,--export-dynamic
+LOCAL_CFLAGS:= -DLOG_TAG=\"SurfaceFlinger\" -Iart
+LOCAL_CPPFLAGS:= -std=c++11
+# TODO: Trying to link libsigchain as a static library prevents
+# static linker from exporting necessary symbols. So as a workaround
+# we use sigchain.o
LOCAL_SRC_FILES:= \
- main_surfaceflinger.cpp
+ main_surfaceflinger.cpp \
+ sigchain_proxy.cpp
LOCAL_SHARED_LIBRARIES := \
libsurfaceflinger \
libcutils \
liblog \
libbinder \
- libutils
+ libutils \
+ libdl
LOCAL_MODULE:= surfaceflinger
diff --git a/services/surfaceflinger/sigchain_proxy.cpp b/services/surfaceflinger/sigchain_proxy.cpp
new file mode 100644
index 0000000..bb7a678
--- /dev/null
+++ b/services/surfaceflinger/sigchain_proxy.cpp
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sigchainlib/sigchain.cc"