From db4b51ab2d7a68caf2cfc04ceb58bb7eb9434a23 Mon Sep 17 00:00:00 2001
From: Kasper <kasper.sauramo@pm.me>
Date: Tue, 18 Mar 2025 13:24:40 +0200
Subject: [PATCH] some more info to minimal example

---
 CMakeLists.txt             |  3 +++
 test/manual/CMakeLists.txt |  1 +
 test/manual/minimal.cpp    | 10 +++++++++-
 test/manual/minimal_lib.h  |  5 ++++-
 4 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f5908a..839297d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,9 @@ if(UNIX AND NOT APPLE)
     message(STATUS "Defining _GNU_SOURCE for Unix build")
 endif()
 
+# Common compile options
+add_compile_options("-fvisibility=hidden")
+
 # Handle 3rd party dependencies
 # #############################
 
diff --git a/test/manual/CMakeLists.txt b/test/manual/CMakeLists.txt
index 6e545d7..861ca11 100644
--- a/test/manual/CMakeLists.txt
+++ b/test/manual/CMakeLists.txt
@@ -8,6 +8,7 @@ add_executable(minimal
 add_library(mini SHARED
   minimal_lib.cpp
   minimal_lib.h
+
 )
 
 target_link_libraries(minimal mini)
diff --git a/test/manual/minimal.cpp b/test/manual/minimal.cpp
index f818f2d..8195b8e 100644
--- a/test/manual/minimal.cpp
+++ b/test/manual/minimal.cpp
@@ -9,12 +9,20 @@ int main(int argc, char *argv[]) {
   int modified = -1;
   while (modified != 0) {
 
+    printf("==========================\n");
+    printf("main address: %p\n", main);
+    printf("minimal_lib::getNewValue address: %p\n", minimal_lib::getNewValue);
+    printf("minimal_lib::otherValue address: %p\n", &minimal_lib::otherValue);
+    printf("==========================\n");
+    printf("\n");
+
     modified = minimal_lib::getNewValue(5);
     printf("getModified(5): %d\n", modified);
     std::this_thread::sleep_for(std::chrono::seconds(1));
 
-    printf("otherValue: %d\n", minimal_lib::otherValue);
+    printf("otherValue: %d\n", minimal_lib::otherValue++);
     std::this_thread::sleep_for(std::chrono::seconds(1));
+    printf("\n");
   }
 
   return 0;
diff --git a/test/manual/minimal_lib.h b/test/manual/minimal_lib.h
index cddcc54..65235a1 100644
--- a/test/manual/minimal_lib.h
+++ b/test/manual/minimal_lib.h
@@ -3,9 +3,12 @@
 
 namespace minimal_lib {
 
-static int otherValue = 5;
+static int otherValue = 0;
+
+#pragma GCC visibility push(default)
 
 int getNewValue(int x);
 
+#pragma GCC visibility pop
 }
 #endif // MINIMAL_LIB_H_