These sources compile to nothing when FEATURE_ES is not defined and thus
were overlooked. Note that api_exec_es[12].c are still missing on the
list. They should be added when they can be generated on the fly.
'main/dlist.c',
'main/dlopen.c',
'main/drawpix.c',
+ 'main/drawtex.c',
'main/enable.c',
'main/enums.c',
'main/eval.c',
'main/texgetimage.c',
'main/teximage.c',
'main/texobj.c',
+ 'main/texpal.c',
'main/texparam.c',
'main/texrender.c',
'main/texstate.c',
'state_tracker/st_cb_condrender.c',
'state_tracker/st_cb_flush.c',
'state_tracker/st_cb_drawpixels.c',
+ 'state_tracker/st_cb_drawtex.c',
'state_tracker/st_cb_eglimage.c',
'state_tracker/st_cb_fbo.c',
'state_tracker/st_cb_feedback.c',