DP_PRELOAD_DEPENDENCIES=yes makefile option: when set, link against the libraries...

[xonotic/darkplaces.git] / sys_shared.c

diff --git a/sys_shared.c b/sys_shared.c
index f636ff310285ba8a06405f31e96b9f58ba3b271b..64ca6abfb29961211dbfb9854c03b3aa03e412f5 100644 (file)
--- a/sys_shared.c
+++ b/sys_shared.c
@@ -1,4 +1,3 @@
-
 #include "quakedef.h"
 # include <time.h>
 #ifndef WIN32
@@ -41,6 +40,25 @@ qboolean Sys_LoadLibrary (const char** dllnames, dllhandle_t* handle, const dllf
        if (handle == NULL)
                return false;
 
+#ifndef WIN32
+#ifdef PREFER_PRELOAD
+       dllhandle = dlopen(NULL, RTLD_LAZY | RTLD_GLOBAL);
+       if(dllhandle)
+       {
+               for (func = fcts; func && func->name != NULL; func++)
+                       if (!(*func->funcvariable = (void *) Sys_GetProcAddress (dllhandle, func->name)))
+                       {
+                               dlclose(dllhandle);
+                               goto notfound;
+                       }
+               Con_Printf ("All of %s's functions were already linked in! Not loading dynamically...\n", dllnames[0]);
+               *handle = dllhandle;
+               return true;
+       }
+notfound:
+#endif
+#endif
+
        // Initializations
        for (func = fcts; func && func->name != NULL; func++)
                *func->funcvariable = NULL;