glx: Hack around versions of XCB that lack GLX_ARB_create_context support

A lot of tests in 'make check' will fail under these circumstances,
but at least the build should work.

Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/glx/create_context.c b/src/glx/create_context.c
index 41f08057a8d..11f9340a2e8 100644
--- a/src/glx/create_context.c
+++ b/src/glx/create_context.c
@@ -94,6 +94,7 @@ glXCreateContextAttribsARB(Display *dpy, GLXFBConfig config,
     * the protocol error and handle it.  Part of handling the error is freeing
     * the possibly non-NULL value returned by this function.
     */
+#ifdef XCB_GLX_CREATE_CONTEXT_ATTRIBS_ARB
    cookie =
       xcb_glx_create_context_attribs_arb_checked(c,
 						 gc->xid,
@@ -105,6 +106,19 @@ glXCreateContextAttribsARB(Display *dpy, GLXFBConfig config,
 						 (const uint32_t *)
 						 attrib_list);
    err = xcb_request_check(c, cookie);
+#else
+   /* This is a hugely ugly hack to make things compile on systems that lack
+    * the proper XCB version.
+    */
+   memset(&cookie, 0, sizeof(cookie));
+
+   err = calloc(1, sizeof(*err));
+   err->error_code = BadRequest;
+   err->sequence = dpy->request;
+   err->resource_id = gc->xid;
+   err->minor_code = gc->majorOpcode;
+   err->major_code = 34;
+#endif
    if (err != NULL) {
       gc->vtable->destroy(gc);
       gc = NULL;