nixpkgs/pkgs/development/libraries/mesa/dlopen-absolute-paths.diff

diff --git a/src/loader/loader.c b/src/loader/loader.c
index 4fdf3c2..0cd62b5 100644
--- a/src/loader/loader.c
+++ b/src/loader/loader.c
@@ -112,7 +112,6 @@ static void *udev_handle = NULL;
 static void *
 udev_dlopen_handle(void)
 {
-   char name[80];
    unsigned flags = RTLD_NOLOAD | RTLD_LOCAL | RTLD_LAZY;
    int version;
 
@@ -125,12 +124,9 @@ udev_dlopen_handle(void)
 
    /* First try opening an already linked libudev, then try loading one */
    do {
-      for (version = 1; version >= 0; version--) {
-         snprintf(name, sizeof(name), "libudev.so.%d", version);
-         udev_handle = dlopen(name, flags);
-         if (udev_handle)
-            return udev_handle;
-      }
+      udev_handle = dlopen("@udev@/lib/libudev.so", flags);
+      if (udev_handle)
+          return udev_handle;
 
       if ((flags & RTLD_NOLOAD) == 0)
          break;