!9817 broke build without any driver

$ meson .. -Dgallium-drivers= -Ddri-drivers= -Dvulkan-drivers=
....
$ ninja
...
../src/mesa/drivers/x11/fakeglx.c: In function ‘save_glx_visual’:
../src/mesa/drivers/x11/fakeglx.c:290:28: error: ‘struct gl_config’ has no member named ‘level’
  290 |           && v->mesa_visual.level == level
      |                            ^
../src/mesa/drivers/x11/fakeglx.c:291:28: error: ‘struct gl_config’ has no member named ‘numAuxBuffers’
  291 |           && v->mesa_visual.numAuxBuffers == numAuxBuffers
      |                            ^
../src/mesa/drivers/x11/fakeglx.c:326:25: error: ‘struct gl_config’ has no member named ‘numAuxBuffers’
  326 |       xmvis->mesa_visual.numAuxBuffers = numAuxBuffers;
      |                         ^
../src/mesa/drivers/x11/fakeglx.c: In function ‘get_config’:
../src/mesa/drivers/x11/fakeglx.c:1548:30: error: ‘struct gl_config’ has no member named ‘level’
 1548 |   *value = xmvis->mesa_visual.level;
      |                              ^
../src/mesa/drivers/x11/fakeglx.c:1562:30: error: ‘struct gl_config’ has no member named ‘numAuxBuffers’
 1562 |   *value = xmvis->mesa_visual.numAuxBuffers;
      |                              ^
../src/mesa/drivers/x11/fakeglx.c:1609:32: error: ‘struct gl_config’ has no member named ‘level’
 1609 |          if (xmvis->mesa_visual.level==0) {
      |                                ^
../src/mesa/drivers/x11/fakeglx.c:1613:37: error: ‘struct gl_config’ has no member named ‘level’
 1613 |          else if (xmvis->mesa_visual.level>0) {
      |                                     ^
../src/mesa/drivers/x11/fakeglx.c:1617:37: error: ‘struct gl_config’ has no member named ‘level’
 1617 |          else if (xmvis->mesa_visual.level<0) {
      |                                     ^
../src/mesa/drivers/x11/fakeglx.c:1649:32: error: ‘struct gl_config’ has no member named ‘visualRating’
 1649 |          if (xmvis->mesa_visual.visualRating > 0)
      |                                ^
../src/mesa/drivers/x11/fakeglx.c:1650:40: error: ‘struct gl_config’ has no member named ‘visualRating’
 1650 |             *value = xmvis->mesa_visual.visualRating;
      |                                        ^
...
../src/mesa/drivers/x11/xm_api.c: In function ‘create_xmesa_buffer’:
../src/mesa/drivers/x11/xm_api.c:345:51: error: ‘struct gl_config’ has no member named ‘numAuxBuffers’
  345 |                                   vis->mesa_visual.numAuxBuffers > 0 );
      |                                                   ^
../src/mesa/drivers/x11/xm_api.c:339:4: error: too many arguments to function ‘_swrast_add_soft_renderbuffers’
  339 |    _swrast_add_soft_renderbuffers(&b->mesa_buffer,
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../src/mesa/drivers/x11/xm_api.c:79:
../src/mesa/swrast/s_renderbuffer.h:58:1: note: declared here
   58 | _swrast_add_soft_renderbuffers(struct gl_framebuffer *fb,
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/mesa/drivers/x11/xm_api.c: In function ‘initialize_visual_and_buffer’:
../src/mesa/drivers/x11/xm_api.c:600:51: error: ‘struct gl_config’ has no member named ‘level’
  600 |       printf("X/Mesa level = %d\n", v->mesa_visual.level);
      |                                                   ^
../src/mesa/drivers/x11/xm_api.c: In function ‘XMesaCreateVisual’:
../src/mesa/drivers/x11/xm_api.c:821:18: error: ‘struct gl_config’ has no member named ‘visualRating’
  821 |    v->mesa_visual.visualRating = visualCaveat;
      |                  ^
../src/mesa/drivers/x11/xm_api.c:861:18: error: ‘struct gl_config’ has no member named ‘level’
  861 |    v->mesa_visual.level = level;
      |                  ^
../src/mesa/drivers/x11/xm_api.c: In function ‘xbuffer_to_renderbuffer’:
../src/mesa/drivers/x11/xm_api.c:1629:14: error: ‘BUFFER_AUX0’ undeclared (first use in this function)
 1629 |       return BUFFER_AUX0;
      |              ^~~~~~~~~~~
../src/mesa/drivers/x11/xm_api.c:1629:14: note: each undeclared identifier is reported only once for each function it appears in