sharelib 输出逻辑完善

Signed-off-by: a1012112796 <1012112796@qq.com>

building.py

@@ -24,6 +24,7 @@
 #                             group definition.
 #
 
+from math import fabs
 import os
 import sys
 import string
@@ -335,9 +336,12 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
 
     # parse rtconfig.h to get used component
     PreProcessor = PatchedPreProcessor()
-    f = open(rtt_cfg, 'r')
-    contents = f.read()
-    f.close()
+    contents = ''
+    if os.path.isfile(rtt_cfg):
+        f = open(rtt_cfg, 'r')
+        contents = f.read()
+        f.close()
+
     PreProcessor.process_contents(contents)
     BuildOptions = PreProcessor.cpp_namespace
 
@@ -725,7 +729,10 @@ def BuildLibInstallAction(target, source, env):
             do_copy_file(lib_name, dst_name)
             break
 
-def DoBuilding(target, objects, is_rtt = False):
+def DoBuildingLib(lib, objects):
+    DoBuilding(lib, objects, build_lib=True)
+
+def DoBuilding(target, objects, is_rtt = False, build_lib = False):
 
     # merge all objects into one list
     def one_list(l):
@@ -757,7 +764,11 @@ def DoBuilding(target, objects, is_rtt = False):
 
     program = None
     # check whether special buildlib option
-    lib_name = GetOption('buildlib')
+    if build_lib:
+        lib_name = target
+    else:
+        lib_name = GetOption('buildlib')
+
     if lib_name:
         objects = [] # remove all of objects
         # build library with special component
@@ -790,6 +801,7 @@ def DoBuilding(target, objects, is_rtt = False):
     EndBuilding(target, program, is_rtt)
 
 def GenTargetProject(program = None):
+    need_exit = True
 
     if GetOption('target') == 'mdk':
         from keil import MDKProject
@@ -865,6 +877,8 @@ def GenTargetProject(program = None):
     if GetOption('target') == 'cmake' or GetOption('target') == 'cmake-armclang':
         from cmake import CMakeProject
         CMakeProject(Env,Projects)
+    
+    return need_exit
 
 
 def EndBuilding(target, program = None, is_rtt = False):
@@ -891,7 +905,7 @@ def EndBuilding(target, program = None, is_rtt = False):
         Clean(target, 'gen_ports/gen_ports_cpp.cpp')
 
     if GetOption('target'):
-        GenTargetProject(program)
+        need_exit = GenTargetProject(program)
 
     BSP_ROOT = Dir('#').abspath
     if GetOption('make-dist') and program != None: