Make r300 and amd build in scons.

SConstruct

@@ -46,9 +46,9 @@ common.AddOptions(opts)
 opts.Add(ListOption('statetrackers', 'state trackers to build', default_statetrackers,
                      ['mesa', 'python']))
 opts.Add(ListOption('drivers', 'pipe drivers to build', default_drivers,
-                     ['softpipe', 'failover', 'i915simple', 'i965simple', 'cell', 'trace']))
+                     ['softpipe', 'failover', 'i915simple', 'i965simple', 'cell', 'trace', 'r300']))
 opts.Add(ListOption('winsys', 'winsys drivers to build', default_winsys,
-                     ['xlib', 'intel', 'gdi'])) 
+                     ['xlib', 'intel', 'gdi', 'amd']))
 
 opts.Add(EnumOption('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
 

src/gallium/drivers/r300/SConscript

@@ -0,0 +1,17 @@
+Import('*')
+
+env = env.Clone()
+
+r300 = env.ConvenienceLibrary(
+	target = 'r300',
+	source = [
+		'r300_blit.c',
+		'r300_clear.c',
+		'r300_context.c',
+		'r300_screen.c',
+		'r300_state.c',
+		'r300_surface.c',
+	])
+
+Export('r300')
+

src/gallium/drivers/r300/r300_blit.h

@@ -25,6 +25,7 @@
 
 #include "pipe/p_state.h"
 
+#include "r300_context.h"
 #include "r300_cs.h"
 
 /* Forward declarations. */

src/gallium/winsys/drm/amd/SConscript

@@ -0,0 +1,29 @@
+Import('*')
+
+if 'mesa' in env['statetrackers']:
+
+	env = drienv.Clone()
+
+	DRIVER_SOURCES = [
+		'amd_buffer.c',
+		'amd_context.c',
+		'amd_screen.c',
+		'amd_winsys_softpipe.c',
+	]
+
+	sources = \
+		COMMON_GALLIUM_SOURCES + \
+		DRIVER_SOURCES
+
+	drivers = [
+		softpipe,
+		r300
+	]
+
+	# TODO: write a wrapper function http://www.scons.org/wiki/WrapperFunctions
+	env.SharedLibrary(
+		target ='amd_dri.so',
+		source = sources,
+		LIBS = drivers + mesa + auxiliaries + env['LIBS'],
+	)
+