--- a/configure.ac.orig	2017-08-07 05:04:30.000000000 -0700
+++ a/configure.ac	2017-08-20 07:28:09.000000000 -0700
@@ -1963,7 +1963,7 @@
 fi
 
 
-DEFINES="$DEFINES -DENABLE_SHADER_CACHE"
+#DEFINES="$DEFINES -DENABLE_SHADER_CACHE"
 AM_CONDITIONAL(NEED_MEGADRIVER, test -n "$DRI_DIRS")
 AM_CONDITIONAL(NEED_LIBMESA, test "x$enable_glx" = xxlib -o \
                                   "x$enable_osmesa" = xyes -o \
--- a/configure.orig	2017-08-07 05:04:38.000000000 -0700
+++ a/configure	2017-08-20 07:26:56.000000000 -0700
@@ -25614,7 +25614,7 @@
 fi
 
 
-DEFINES="$DEFINES -DENABLE_SHADER_CACHE"
+#DEFINES="$DEFINES -DENABLE_SHADER_CACHE"
  if test -n "$DRI_DIRS"; then
   NEED_MEGADRIVER_TRUE=
   NEED_MEGADRIVER_FALSE='#'