Changes since April

Clean up of build directories.
Simplifications to capability model.

conts/userlibs/libc/SConstruct

@@ -0,0 +1,40 @@
+# -*- mode: python; coding: utf-8; -*-
+#
+#  Codezero -- a microkernel for embedded systems.
+#
+#  Copyright © 2009  B Labs Ltd
+#
+import os, sys
+
+PROJRELROOT = '../../..'
+sys.path.append(PROJRELROOT)
+
+from scripts.config.projpaths import *
+from scripts.config.configuration import *
+
+config = configuration_retrieve()
+gcc_arch_flag = config.gcc_arch_flag
+arch = config.arch
+
+# We assume we are compiling for userspace.
+# variant can be specified from cmdline using
+# scons variant=xxx
+variant = ARGUMENTS.get('variant', 'userspace')
+print '\nCompiling for variant: ' + variant + '\n'
+
+builddir = join(BUILDDIR, LIBC_RELDIR)
+VariantDir(builddir, os.getcwd(), 0)
+
+env = Environment(CC = config.toolchain_userspace + 'gcc',
+		          CCFLAGS = ['-g', '-nostdlib', '-ffreestanding', '-std=gnu99',
+                             '-nostdinc', '-Wall', '-Werror', '-march=' + gcc_arch_flag],
+        		  LINKFLAGS = ['-nostdlib'],
+		          ASFLAGS = ['-D__ASSEMBLY__'],
+		          ENV = {'PATH' : os.environ['PATH']},
+		          CPPPATH = ['include', LIBDEV_INCLUDE, KERNEL_HEADERS,
+                             'include/sys-' + variant + '/arch-' + arch],
+                  CPPFLAGS = '-include l4/macros.h')
+
+objects = SConscript('SConscript', exports = { 'env' : env, 'type' : variant },
+                     duplicate=0, build_dir = builddir)
+