From: Sebastian Ramacher <sramacher@debian.org>
Date: Wed, 19 Apr 2017 21:45:40 +0200
Subject: Hide internal symbols

---
 libobs/CMakeLists.txt | 4 ++++
 libobs/util/c99defs.h | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/libobs/CMakeLists.txt b/libobs/CMakeLists.txt
index 00c0ebc..c82d94e 100644
--- a/libobs/CMakeLists.txt
+++ b/libobs/CMakeLists.txt
@@ -447,6 +447,10 @@ if(NOT MSVC)
 			-msse2)
 endif()
 
+if(UNIX)
+	set_source_files_properties(${libobs_SOURCES} PROPERTIES
+			COMPILE_FLAGS "-fvisibility=hidden")
+endif()
 
 target_compile_options(libobs
 	PUBLIC
diff --git a/libobs/util/c99defs.h b/libobs/util/c99defs.h
index c4ee627..d26b3dd 100644
--- a/libobs/util/c99defs.h
+++ b/libobs/util/c99defs.h
@@ -46,7 +46,7 @@
 
 #define EXPORT __declspec(dllexport)
 #else
-#define EXPORT
+#define EXPORT __attribute__((visibility("default")))
 #endif
 
 #if _MSC_VER && _MSC_VER < 0x0708