From a5220e024934162e50ef5092c72659d84deed56d Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Mon, 22 Jun 2020 12:18:04 +0200
Subject: [PATCH] CMakeLists.txt: set default visibility to hidden

It will hide all symbols that are not marked with the MATROSKA_DLL_API
macro.
---
 CMakeLists.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71b9031..613eab1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -66,7 +66,10 @@ add_library(matroska ${libmatroska_SOURCES} ${libmatroska_PUBLIC_HEADERS} ${libm
 target_link_libraries(matroska PUBLIC EBML::ebml)
 set_target_properties(matroska PROPERTIES
   VERSION 7.0.0
-  SOVERSION 7)
+  SOVERSION 7
+  CXX_VISIBILITY_PRESET hidden
+  VISIBILITY_INLINES_HIDDEN ON
+)
 target_include_directories(matroska
   PRIVATE
     $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
-- 
2.40.0