scons: Define IN_DRI_DRIVER.

The define is required for DRI drivers.  It is not needed for
libgl-xlib, but the overhead it introduces should be minor.

diff --git a/src/mesa/SConscript b/src/mesa/SConscript
index 5fe5d39fb1d2afe430d7ca1978f6f446789219aa..08d731de2d55e832cb5c982f63d7a0cef011678d 100644 (file)
--- a/src/mesa/SConscript
+++ b/src/mesa/SConscript
@@ -19,6 +19,10 @@ if env['platform'] == 'windows':
         'WIN32_THREADS', # use Win32 thread API
     ])
     env.Prepend(CPPPATH = ['#src/talloc'])
+else:
+    env.Append(CPPDEFINES = [
+        'IN_DRI_DRIVER', # enable the remap table (for DRI drivers)
+    ])
 
 #
 # Source files