File v8-hide-private-symbols.patch of Package nodejs-electron

Do not export v8 symbols that are used only in unit tests but not exposed in headers.
This reduces the size of the electron binary by 2MB.

--- src/v8/src/base/macros.h.old	2023-09-29 08:54:55.701965801 +0200
+++ src/v8/src/base/macros.h	2023-10-03 11:54:02.305086047 +0200
@@ -399,13 +399,18 @@ bool is_inbounds(float_t v) {
 
 // Setup for Linux shared library export.
 #if V8_HAS_ATTRIBUTE_VISIBILITY
+#if defined(HIDE_PRIVATE_SYMBOLS)
+#define V8_EXPORT_PRIVATE __attribute__((visibility("hidden")))
+#define V8_EXPORT_ENUM V8_EXPORT_PRIVATE
+#else
 #ifdef BUILDING_V8_SHARED
 #define V8_EXPORT_PRIVATE __attribute__((visibility("default")))
 #define V8_EXPORT_ENUM V8_EXPORT_PRIVATE
 #else
 #define V8_EXPORT_PRIVATE
 #define V8_EXPORT_ENUM
 #endif
+#endif  // HIDE_PRIVATE_SYMBOLS
 #else
 #define V8_EXPORT_PRIVATE
 #define V8_EXPORT_ENUM


This should also be hidden, see https://github.com/electron/electron/pull/40624
--- src/v8/src/trap-handler/trap-handler.h.orig	2023-11-22 21:11:42.771625500 +0100
+++ src/v8/src/trap-handler/trap-handler.h	2023-11-30 20:57:23.411956500 +0100
@@ -54,11 +54,11 @@ namespace trap_handler {
 #if defined(BUILDING_V8_SHARED) && defined(V8_OS_WIN)
 #define TH_EXPORT_PRIVATE __declspec(dllexport)
 #elif defined(BUILDING_V8_SHARED)
-#define TH_EXPORT_PRIVATE __attribute__((visibility("default")))
+#define TH_EXPORT_PRIVATE __attribute__((visibility("hidden")))
 #elif defined(USING_V8_SHARED) && defined(V8_OS_WIN)
 #define TH_EXPORT_PRIVATE __declspec(dllimport)
 #else
-#define TH_EXPORT_PRIVATE
+#define TH_EXPORT_PRIVATE __attribute__((visibility("hidden")))
 #endif
 
 #define TH_CHECK(condition) \