build: use -fvisibility=hidden

This fixes a problem with AAudio calling flowgraph module destructors in Oboe, which causes memory corruption. Fixes #930
google · Jul 8, 2020 · 00e458d · 00e458d
1 parent ba76e6e
commit 00e458d
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/apps/OboeTester/app/CMakeLists.txt b/apps/OboeTester/app/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.4.1)
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wall -std=c++14")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wall -std=c++14 -fvisibility=hidden")
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O2")
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
 

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
@@ -7,7 +7,7 @@ cmake_minimum_required(VERSION 3.4.1)
 # This may work on Linux.
 # set(ANDROID_NDK $ENV{HOME}/Android/sdk/ndk-bundle)
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wall -std=c++14")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wall -std=c++14 -fvisibility=hidden")
 
 # Include GoogleTest library
 set(GOOGLETEST_ROOT ${ANDROID_NDK}/sources/third_party/googletest)