diff --git a/tools/building.py b/tools/building.py
index 978c0f7237..6581369a44 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -187,7 +187,7 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
     AddOption('--target',
                       dest = 'target',
                       type = 'string',
-                      help = 'set target project: mdk/mdk4/mdk5/iar/vs/vsc/ua/cdk/ses')
+                      help = 'set target project: mdk/mdk4/mdk5/iar/vs/vsc/ua/cdk/ses/makefile')
     AddOption('--genconfig',
                 dest = 'genconfig',
                 action = 'store_true',
@@ -228,6 +228,7 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
                 'cb':('keil', 'armcc'),
                 'ua':('gcc', 'gcc'),
                 'cdk':('gcc', 'gcc'),
+                'makefile':('gcc', 'gcc'),
                 'ses' : ('gcc', 'gcc')}
     tgt_name = GetOption('target')
 
@@ -824,6 +825,10 @@ def GenTargetProject(program = None):
         from ses import SESProject
         SESProject(Env)
 
+    if GetOption('target') == 'makefile':
+        from makefile import TargetMakefile
+        TargetMakefile(Env)
+
 def EndBuilding(target, program = None):
     import rtconfig
 
diff --git a/tools/makefile.py b/tools/makefile.py
new file mode 100644
index 0000000000..f6ff4a305b
--- /dev/null
+++ b/tools/makefile.py
@@ -0,0 +1,68 @@
+import os
+import sys
+
+from utils import *
+from utils import _make_path_relative
+import rtconfig
+
+def TargetMakefile(env):
+    project = ProjectInfo(env)
+
+    make = open('config.mk', 'w')
+
+    BSP_ROOT = os.path.abspath(env['BSP_ROOT'])
+    RTT_ROOT = os.path.abspath(env['RTT_ROOT'])
+
+    make.write('BSP_ROOT ?= %s\n' % BSP_ROOT.replace('\\', '\\\\'))
+    make.write('RTT_ROOT ?= %s\n' % RTT_ROOT.replace('\\', '\\\\'))
+    make.write('\n')
+
+    cross = os.path.abspath(rtconfig.EXEC_PATH)
+    cross = os.path.join(cross, rtconfig.PREFIX)
+    make.write('CROSS_COMPILE ?=%s' % cross.replace('\\', '\\\\'))
+    make.write('\n')
+    make.write('\n')
+
+    make.write('CFLAGS :=%s' % (rtconfig.CFLAGS))
+    make.write('\n')
+    make.write('AFLAGS :=%s' % (rtconfig.AFLAGS))
+    make.write('\n')
+    make.write('LFLAGS :=%s' % (rtconfig.LFLAGS))
+    make.write('\n')
+    if 'CXXFLAGS' in dir(rtconfig):
+        make.write('CXXFLAGS :=%s' % (rtconfig.CXXFLAGS))
+        make.write('\n')
+
+    make.write('\n')
+
+    Files   = project['FILES']
+    Headers = project['HEADERS']
+    CPPDEFINES = project['CPPDEFINES']
+
+    path = ''
+    paths = [_make_path_relative(BSP_ROOT, os.path.normpath(i)) for i in project['CPPPATH']]
+    for item in paths:
+        path += '\t-I%s \\\n' % item
+
+    make.write('CPPPATHS :=')
+    if path[0] == '\t': path = path[1:]
+    length = len(path)
+    if path[length - 2] == '\\': path = path[:length - 2]
+    make.write(path)
+    make.write('\n')
+    make.write('\n')
+
+    defines = ''
+    for item in project['CPPDEFINES']:
+        defines += ' -D%s' % item
+    make.write('DEFINES :=')
+    make.write(defines)
+    make.write('\n')
+
+    src = open('src.mk', 'w')
+    files = [_make_path_relative(BSP_ROOT, os.path.normpath(i)) for i in Files]
+    src.write('SRC_FILES :=\n')
+    for item in files:
+        src.write('SRC_FILES +=%s\n' % item)
+
+    return