[education/rkward] rkward/rbackend: Preload libgobject in addition to libglib

[Thomas Friedrichsmeier]

Git commit 772e1c20a434170f44c7e7459a06ec79b3cfc63b by Thomas Friedrichsmeier.
Committed on 19/04/2025 at 08:21.
Pushed by tfry into branch 'master'.

Preload libgobject in addition to libglib

M  +10   -0    rkward/rbackend/rkrbackend_dlopen.cpp

https://invent.kde.org/education/rkward/-/commit/772e1c20a434170f44c7e7459a06ec79b3cfc63b

diff --git a/rkward/rbackend/rkrbackend_dlopen.cpp b/rkward/rbackend/rkrbackend_dlopen.cpp
index e245bee55..65fec304a 100644
--- a/rkward/rbackend/rkrbackend_dlopen.cpp
+++ b/rkward/rbackend/rkrbackend_dlopen.cpp
@@ -90,11 +90,21 @@ void preloadBetterGlib(const char *cd_to) {
 		std::filesystem::current_path(cd_to);
 	}
 	auto glib2 = loadGlib(&glib2_ver);
+	if (glib1_ver < glib2_ver) {
+		// For good measure, we'll also load the matching libgobject lib, if present). (libgobject links against libglib, but not vice-versa)
+		if (!dlopen("libgobject-2.0.so", RTLD_LAZY | RTLD_LOCAL)) {
+			dlopen("libgobject-2.0.so.0", RTLD_LAZY | RTLD_LOCAL);
+		}
+	}
 	std::filesystem::current_path(cd);
 
 	if (glib1_ver >= glib2_ver) {
 		dlclose(glib2);
 		loadGlib(&glib1_ver);
+		// see above
+		if (!dlopen("libgobject-2.0.so", RTLD_LAZY | RTLD_LOCAL)) {
+			dlopen("libgobject-2.0.so.0", RTLD_LAZY | RTLD_LOCAL);
+		}
 	}
 }
 #endif