Working compilation, but adding variant_dir = BUILD it doesn't work

SConstruct

@@ -38,36 +38,37 @@ sources = \
         Glob('src/arch/' + arch + '/' + subarch +'/*.[cS]') + \
         Glob('src/glue/' + arch + '/*.[cS]') + \
         Glob('src/platform/' + platform + '/*.[cS]')
+print sources
 '''
-drivers = SConscript('src/drivers/SConscript', duplicate = 0, \
-                     exports = {'symbols' : all_syms, 'env' : env})
-drivers = SConscript('src/generic/SConscript', duplicate = 0, \
-                     exports = {'symbols' : all_syms, 'env' : env})
-drivers = SConscript('src/arch/' + arch + '/SConscript', duplicate = 0, \
-                     exports = {'symbols' : all_syms, 'env' : env})
-drivers = SConscript('src/' + platform + '/SConscript', duplicate = 0, \
-                     exports = {'symbols' : all_syms, 'env' : env})
-drivers = SConscript('src/' + arch + '/' + subarch + '/SConscript', duplicate = 0, \
-                     exports = {'symbols' : all_syms, 'env' : env})
-drivers = SConscript('src/glue' + 'arch' + '/SConscript', duplicate = 0, \
-                     exports = {'symbols' : all_syms, 'env' : env})
-drivers = SConscript('src/platform' + platform + '/SConscript', duplicate = 0, \
-                     exports = {'symbols' : all_syms, 'env' : env})
+
+driver_objs = SConscript('src/drivers/SConscript', duplicate = 0, \
+                         variant_dir = BUILD
+                         exports = {'symbols' : all_syms, 'env' : env})
+generic_objs = SConscript('src/generic/SConscript', duplicate = 0, \
+                         variant_dir = BUILDDIR + "/src/generic", \
+                         exports = {'symbols' : all_syms, 'env' : env})
+arch_objs = SConscript('src/arch/' + arch + '/SConscript', duplicate = 0, \
+                         variant_dir = BUILDDIR + "/src/arch/" + arch, \
+                         exports = {'symbols' : all_syms, 'env' : env})
+plat_objs = SConscript('src/platform/' + platform + '/SConscript', duplicate = 0, \
+                         variant_dir = BUILDDIR + "/src/platform/" + platform, \
+                         exports = {'symbols' : all_syms, 'env' : env})
+subarch_objs = SConscript('src/arch/' + arch + '/' + subarch + '/SConscript',  \
+                         variant_dir = BUILDDIR + '/src/arch/' + arch + '/' + subarch, \
+                         exports = {'symbols' : all_syms, 'env' : env})
+glue_objs = SConscript('src/glue/' + arch + '/SConscript', duplicate = 0, \
+                         variant_dir = BUILDDIR + '/src/glue/' + arch, \
+                         exports = {'symbols' : all_syms, 'env' : env})
+lib_objs = SConscript('src/lib/SConscript', duplicate = 0, \
+                         variant_dir = BUILDDIR + '/src/lib', \
+                         exports = {'symbols' : all_syms, 'env' : env})
+api_objs = SConscript('src/api/SConscript', duplicate = 0, \
+                         variant_dir = BUILDDIR + '/src/api', \
+                         exports = {'symbols' : all_syms, 'env' : env})
+
+objects = driver_objs + generic_objs + arch_objs + plat_objs + subarch_objs + \
+          glue_objs + lib_objs + api_objs
+
+kernel_elf = env.Program('kernel.elf', objects)
 
 
-
-
-
-
-
-
-#for item in cf['DRIVER'] :
-#    path = 'src/drivers/' + item
-#    if not os.path.isdir(path):
-#        feature , device = item.split ( '/' )
-#        raise ValueError, 'Driver ' + device + ' for ' + feature + ' not available.'
-#    sources += Glob(path + '/*.[cS]')
-
-objects = env.Object(sources + drivers)
-#startAxf = env.Program('start.axf', objects)
-

src/api/SConscript

@@ -0,0 +1,10 @@
+# Inherit global environment
+Import('env')
+Import('symbols')
+
+# The set of source files associated with this SConscript file.
+src_local = ['kip.c', 'syscall.c', 'thread.c', 'ipc.c', 'space.c', 'mutex.c', 'capability.c']
+
+obj = env.Object(src_local)
+
+Return('obj')

src/arch/arm/SConscript

@@ -0,0 +1,10 @@
+
+
+# Inherit global environment
+Import('env')
+
+# The set of source files associated with this SConscript file.
+src_local = ['head.S', 'vectors.S', 'syscall.S', 'exception.c']
+obj = env.Object(src_local)
+
+Return('obj')

src/arch/arm/v5/SConscript

@@ -0,0 +1,10 @@
+
+
+# Inherit global environment
+Import('env')
+
+# The set of source files associated with this SConscript file.
+src_local = ['mm.c', 'mmu_ops.S', 'mutex.S']
+
+obj = env.Object(src_local)
+Return('obj')

src/drivers/SConscript

@@ -0,0 +1,17 @@
+import glob
+
+Import("env", "symbols")
+
+src_local = []
+
+for name, val in symbols:
+    if "CONFIG_DRIVER_UART_PL011" == name:
+        src_local.append(glob.glob("uart/pl011/*.c"))
+    if "CONFIG_DRIVER_TIMER_SP804" == name:
+        src_local.append(glob.glob("timer/sp804/*.c"))
+    if "CONFIG_DRIVER_IRQ_PL190" == name:
+        src_local.append(glob.glob("irq/pl190/*.c"))
+
+obj = env.Object(src_local)
+
+Return('obj')

src/generic/SConscript

@@ -0,0 +1,10 @@
+
+
+# Inherit global environment
+Import('env')
+
+# The set of source files associated with this SConscript file.
+src_local = ['irq.c', 'scheduler.c', 'time.c', 'tcb.c', 'space.c', 'bootm.c', 'resource.c', 'container.c', 'capability.c']
+
+obj = env.Object(src_local)
+Return('obj')

src/glue/arm/SConscript

@@ -0,0 +1,10 @@
+
+
+# Inherit global environment
+Import('env')
+
+# The set of source files associated with this SConscript file.
+src_local = ['init.c', 'memory.c', 'systable.c', 'irq.c']
+
+obj = env.Object(src_local)
+Return('obj')

src/lib/SConscript

@@ -0,0 +1,10 @@
+# Inherit global environment
+Import('env')
+Import('symbols')
+
+# The set of source files associated with this SConscript file.
+src_local = ['printk.c', 'putc.c', 'string.c', 'bit.c', 'wait.c', 'mutex.c', 'idpool.c', 'memcache.c']
+
+obj = env.Object(src_local)
+
+Return('obj')

src/platform/pb926/SConscript

@@ -0,0 +1,10 @@
+
+
+# Inherit global environment
+Import('env')
+
+# The set of source files associated with this SConscript file.
+src_local = ['printascii.S','platform.c', 'uart.c', 'timer.c', 'irq.c']
+
+obj = env.Object(src_local)
+Return('obj')