First phase of TLS work. At this point SPARC assembly dispatch is

broken, but it will be fixed "shortly."  This is pretty much the same
as the patch I sent to the dri-devel list on 22-Jun-2004.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index 6b2fcdfa7d..ee30a677a4 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -55,6 +55,14 @@ typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRInativeDisplay *dpy, __DRIid
 #endif
 
 /**
+ * Weak thread-safety dispatch pointer.  Older versions of libGL will not have
+ * this symbol, so a "weak" version is included here so that the driver will
+ * dynamically link properly.  The value is set to \c NULL.  This forces the
+ * driver to fall back to the old dispatch interface.
+ */
+struct _glapi_table *_glapi_DispatchTSD __attribute__((weak)) = NULL;
+
+/**
  * This is used in a couple of places that call \c driCreateNewDrawable.
  */
 static const int empty_attribute_list[1] = { None };