scons: add 'targets' variable, for specifying ... targets
Ideally scons should be able to work backwards from the list of
targets to figure out which drivers, state trackers and other
convenience libraries need to be built.
diff --git a/SConstruct b/SConstruct
index 28ed6ea..c843b41 100644
--- a/SConstruct
+++ b/SConstruct
@@ -31,6 +31,7 @@
# Configuration options
default_statetrackers = 'mesa'
+default_targets = 'none'
if common.default_platform in ('linux', 'freebsd', 'darwin'):
default_drivers = 'softpipe,failover,svga,i915,i965,trace,identity,llvmpipe'
@@ -54,6 +55,28 @@
opts.Add(ListVariable('winsys', 'winsys drivers to build', default_winsys,
['xlib', 'vmware', 'i915', 'i965', 'gdi', 'radeon', 'graw-xlib']))
+opts.Add(ListVariable('targets', 'driver targets to build', default_targets,
+ ['dri-i915',
+ 'dri-i965',
+ 'dri-nouveau',
+ 'dri-radeong',
+ 'dri-swrast',
+ 'dri-vmwgfx',
+ 'egl-i915',
+ 'egl-i965',
+ 'egl-nouveau',
+ 'egl-radeon',
+ 'egl-swrast',
+ 'egl-vmwgfx',
+ 'graw-xlib',
+ 'libgl-gdi',
+ 'libgl-xlib',
+ 'xorg-i915',
+ 'xorg-i965',
+ 'xorg-nouveau',
+ 'xorg-radeon',
+ 'xorg-vmwgfx']))
+
opts.Add(EnumVariable('MSVS_VERSION', 'MS Visual C++ version', None, allowed_values=('7.1', '8.0', '9.0')))
env = Environment(