commit d86119a89f4c43f397df44ecb536a41b4bfdeed8
author Tim Barron <tjbarron@google.com> Fri Jun 04 11:29:24 2021 -0700
committer Tim Barron <tjbarron@google.com> Tue Jun 08 13:15:39 2021 -0700
tree c5308b3379c429f4a32f931ff7561abe0bc27bbf
parent ab3b49bc7a1bdd17c5c4e058e33a45dbf7deeaab

Compile libicing.so with a version script.

This will make it easier for the linker to eliminate dead code.

Change-Id: I9c26f27fe585453e10585546ef1ce1d8602eea93

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 70f6852..01ee8eb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,9 @@
 cmake_minimum_required(VERSION 3.10.2)
 
 add_definitions("-DICING_REVERSE_JNI_SEGMENTATION=1")
+set(VERSION_SCRIPT "${CMAKE_CURRENT_SOURCE_DIR}/icing/jni.lds")
+set(CMAKE_SHARED_LINKER_FLAGS
+    "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--version-script=${VERSION_SCRIPT}")
 
 set(
     Protobuf_PREBUILTS_DIR