3 files changed, 41 insertions, 6 deletions

diff --git a/src/glx/x11/dri2.c b/src/glx/x11/dri2.c
index 832935a3ba0..91053d3fb61 100644
--- a/src/glx/x11/dri2.c
+++ b/src/glx/x11/dri2.c
@@ -94,6 +94,8 @@ DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire)
    XextCheckExtension(dpy, info, dri2ExtensionName, False);
 
    switch ((wire->u.u.type & 0x7f) - info->codes->first_event) {
+
+#ifdef X_DRI2SwapBuffers
    case DRI2_BufferSwapComplete:
    {
       GLXBufferSwapComplete *aevent = (GLXBufferSwapComplete *)event;
@@ -123,6 +125,8 @@ DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire)
       aevent->sbc = ((CARD64)awire->sbc_hi << 32) | awire->sbc_lo;
       return True;
    }
+#endif
+
    default:
       /* client doesn't support server event */
       break;
@@ -455,6 +459,7 @@ DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
    SyncHandle();
 }
 
+#ifdef X_DRI2SwapBuffers
 static void
 load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor,
 	     CARD64 remainder)
@@ -496,7 +501,9 @@ void DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc,
     UnlockDisplay(dpy);
     SyncHandle();
 }
+#endif
 
+#ifdef X_DRI2GetMSC
 Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc,
 		CARD64 *sbc)
 {
@@ -527,7 +534,9 @@ Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc,
 
     return True;
 }
+#endif
 
+#ifdef X_DRI2WaitMSC
 static void
 load_msc_req(xDRI2WaitMSCReq *req, CARD64 target, CARD64 divisor,
 	     CARD64 remainder)
@@ -571,7 +580,9 @@ Bool DRI2WaitMSC(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor,
 
     return True;
 }
+#endif
 
+#ifdef X_DRI2WaitSBC
 static void
 load_sbc_req(xDRI2WaitSBCReq *req, CARD64 target)
 {
@@ -610,7 +621,9 @@ Bool DRI2WaitSBC(Display *dpy, XID drawable, CARD64 target_sbc, CARD64 *ust,
 
     return True;
 }
+#endif
 
+#ifdef X_DRI2SwapInterval
 void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
 {
     XExtDisplayInfo *info = DRI2FindDisplay(dpy);
@@ -627,5 +640,6 @@ void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
     UnlockDisplay(dpy);
     SyncHandle();
 }
+#endif
 
 #endif /* GLX_DIRECT_RENDERING */
diff --git a/src/glx/x11/dri2_glx.c b/src/glx/x11/dri2_glx.c
index 7a5740a4d89..6200df94f7f 100644
--- a/src/glx/x11/dri2_glx.c
+++ b/src/glx/x11/dri2_glx.c
@@ -380,8 +380,10 @@ dri2SwapBuffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
        return 0;
     }
 
+#ifdef X_DRI2SwapBuffers
     DRI2SwapBuffers(pdraw->psc->dpy, pdraw->xDrawable, target_msc, divisor,
 		    remainder, &ret);
+#endif
 
 #if __DRI2_FLUSH_VERSION >= 2
     if (pdraw->psc->f)
@@ -576,18 +578,24 @@ dri2CreateScreen(__GLXscreenConfigs * psc, int screen,
    psp->swapBuffers = dri2SwapBuffers;
    psp->waitGL = dri2WaitGL;
    psp->waitX = dri2WaitX;
+   psp->getDrawableMSC = NULL;
+   psp->waitForMSC = NULL;
+   psp->waitForSBC = NULL;
+   psp->setSwapInterval = NULL;
+   psp->getSwapInterval = NULL;
+
    if (pdp->driMinor >= 2) {
+#ifdef X_DRI2GetMSC
       psp->getDrawableMSC = dri2DrawableGetMSC;
+#endif
+#ifdef X_DRI2WaitMSC
       psp->waitForMSC = dri2WaitForMSC;
       psp->waitForSBC = dri2WaitForSBC;
+#endif
+#ifdef X_DRI2SwapInterval
       psp->setSwapInterval = dri2SetSwapInterval;
       psp->getSwapInterval = dri2GetSwapInterval;
-   } else {
-      psp->getDrawableMSC = NULL;
-      psp->waitForMSC = NULL;
-      psp->waitForSBC = NULL;
-      psp->setSwapInterval = NULL;
-      psp->getSwapInterval = NULL;
+#endif
    }
 
    /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
@@ -643,8 +651,10 @@ dri2CreateDisplay(Display * dpy)
 
    pdp->driPatch = 0;
    pdp->swapAvailable = 0;
+#ifdef X_DRI2SwapBuffers
    if (pdp->driMinor >= 2)
       pdp->swapAvailable = 1;
+#endif
 
    pdp->base.destroyDisplay = dri2DestroyDisplay;
    pdp->base.createScreen = dri2CreateScreen;
diff --git a/src/glx/x11/glxext.c b/src/glx/x11/glxext.c
index 1b4ab716828..dde694b9f8b 100644
--- a/src/glx/x11/glxext.c
+++ b/src/glx/x11/glxext.c
@@ -158,6 +158,16 @@ __glXWireToEvent(Display *dpy, XEvent *event, xEvent *wire)
       aevent->count = awire->count;
       return True;
    }
+   /* No easy symbol to test for this, as GLX_BufferSwapComplete is
+    * defined in the local glx.h header, but the
+    * xGLXBufferSwapComplete typedef is only available in new versions
+    * of the external glxproto.h header, which doesn't have any
+    * testable versioning define.
+    *
+    * I'll use the related DRI2 define, in the hope that we won't
+    * receive these events unless we know how to ask for them:
+    */
+#ifdef X_DRI2SwapBuffers
    case GLX_BufferSwapComplete:
    {
       GLXBufferSwapComplete *aevent = (GLXBufferSwapComplete *)event;
@@ -169,6 +179,7 @@ __glXWireToEvent(Display *dpy, XEvent *event, xEvent *wire)
       aevent->sbc = ((CARD64)awire->sbc_hi << 32) | awire->sbc_lo;
       return True;
    }
+#endif
    default:
       /* client doesn't support server event */
       break;