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authorEric Anholt <eric@anholt.net>2014-01-30 10:30:57 -0800
committerEric Anholt <eric@anholt.net>2014-02-01 10:08:36 -0800
commit63546b8e3d217d81a67f6f291fab48b3f381a9ca (patch)
tree6d4b746327620ef1e78dad780d55f1fd3fe8593a
parentdc00ec154bda15672861d1b508aa4aacdb306f68 (diff)
dri: Also support the loader with libudev.so.0.
As far as I know, this should be safe. If not, we have to decide whether to have variable lookup of the functions, or just drop support for .so.0 (which is a year and a half old it looks like) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74127 Reviewed-by: Matt Turner <mattst88@gmail.com>
-rw-r--r--src/loader/loader.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/loader/loader.c b/src/loader/loader.c
index 626046a232b..5d258994308 100644
--- a/src/loader/loader.c
+++ b/src/loader/loader.c
@@ -102,6 +102,16 @@ udev_dlopen_handle(void)
{
if (!udev_handle) {
udev_handle = dlopen("libudev.so.1", RTLD_LOCAL | RTLD_LAZY);
+
+ if (!udev_handle) {
+ /* libudev.so.1 changed the return types of the two unref functions
+ * from voids to pointers. We don't use those return values, and the
+ * only ABI I've heard that cares about this kind of change (calling
+ * a function with a void * return that actually only returns void)
+ * might be ia64.
+ */
+ udev_handle = dlopen("libudev.so.0", RTLD_LOCAL | RTLD_LAZY);
+ }
}
return udev_handle;