From f2fb1ac15f13c00f2477a6b25734dcd3d4d2f7a8 Mon Sep 17 00:00:00 2001
From: CastagnaIT <gottardo.stefano.83@gmail.com>
Date: Tue, 22 Oct 2024 18:30:10 +0200
Subject: [PATCH] [cmakelists] Symbol visibility hidden (-fvisibility=hidden)

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff1f2ba8a..a8fd84346 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,10 @@ else()
   list(APPEND DEPLIBS ${CMAKE_DL_LIBS})
   # Required on some old linux platforms to use macro like PRIu64
   add_definitions(-D__STDC_FORMAT_MACROS)
+  # Force symbol visibility hidden by default for operative systems different than Windows,
+  # by default on Windows is hidden, on linux is the opposite, and lead to have singleton static objects
+  # stored in memory in a persistent way between all ISAdaptive instances (kodi core dlopen/dlclose)
+  add_compile_options(-fvisibility=hidden)
 endif()
 
 # Sources to build