From 87ac079bb6ab0838d0732eeb83644f09b01d5cfc Mon Sep 17 00:00:00 2001
From: Artem Pavlenko <artem@mapnik.org>
Date: Tue, 7 Mar 2023 10:02:50 +0000
Subject: [PATCH] Add `-fvisibility=hidden -fvisibility-inlines-hidden` to
 mapnik target (CMake)

---
 src/CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f080525b9..2f344fd9c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -44,6 +44,8 @@ endif()
 
 set_target_properties(mapnik PROPERTIES
     POSITION_INDEPENDENT_CODE ON
+    CXX_VISIBILITY_PRESET hidden
+    VISIBILITY_INLINES_HIDDEN ON
     OUTPUT_NAME "mapnik"
     PREFIX "lib"
     IMPORT_PREFIX "lib" # for the archive on dll platforms