From 099062de782913dc911e2fadf889291aafbeeeb8 Mon Sep 17 00:00:00 2001
From: ArdaFu <pengfei.fu@gmail.com>
Date: Mon, 4 Jun 2018 14:18:31 +0800
Subject: [PATCH] [tools][building] Add ASFLAGS in DefineGroup.

---
 libcpu/SConscript |  6 +++++-
 tools/building.py | 17 +++++++++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/libcpu/SConscript b/libcpu/SConscript
index 0d00976092..a3404e0101 100644
--- a/libcpu/SConscript
+++ b/libcpu/SConscript
@@ -4,6 +4,7 @@ from building import *
 
 comm = rtconfig.ARCH + '/common'
 path = rtconfig.ARCH + '/' + rtconfig.CPU
+AFLAGS = ''
 
 # The set of source files associated with this SConscript file.
 if rtconfig.PLATFORM == 'armcc':
@@ -21,7 +22,10 @@ if rtconfig.PLATFORM == 'cl':
 if rtconfig.PLATFORM == 'mingw':
 	src = Glob(path + '/*.c')
 
+if rtconfig.PLATFORM == 'armcc' and rtconfig.ARCH == 'arm' and rtconfig.CPU == 'arm926':
+    ASFLAGS = ' --cpreproc'
+    
 CPPPATH = [RTT_ROOT + '/libcpu/' + rtconfig.ARCH + '/' + rtconfig.CPU, RTT_ROOT + '/libcpu/' + rtconfig.ARCH + '/common']
-group = DefineGroup(rtconfig.CPU.upper(), src, depend = [''], CPPPATH = CPPPATH)
+group = DefineGroup(rtconfig.CPU.upper(), src, depend = [''], CPPPATH = CPPPATH, ASFLAGS = ASFLAGS)
 
 Return('group')
diff --git a/tools/building.py b/tools/building.py
index c727591bb0..31dc4dae1d 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -487,6 +487,11 @@ def MergeGroup(src_group, group):
             src_group['CPPDEFINES'] = src_group['CPPDEFINES'] + group['CPPDEFINES']
         else:
             src_group['CPPDEFINES'] = group['CPPDEFINES']
+    if group.has_key('ASFLAGS'):
+        if src_group.has_key('ASFLAGS'):
+            src_group['ASFLAGS'] = src_group['ASFLAGS'] + group['ASFLAGS']
+        else:
+            src_group['ASFLAGS'] = group['ASFLAGS']
 
     # for local CCFLAGS/CPPPATH/CPPDEFINES
     if group.has_key('LOCAL_CCFLAGS'):
@@ -520,6 +525,11 @@ def MergeGroup(src_group, group):
             src_group['LIBPATH'] = src_group['LIBPATH'] + group['LIBPATH']
         else:
             src_group['LIBPATH'] = group['LIBPATH']
+    if group.has_key('LOCAL_ASFLAGS'):
+        if src_group.has_key('LOCAL_ASFLAGS'):
+            src_group['LOCAL_ASFLAGS'] = src_group['LOCAL_ASFLAGS'] + group['LOCAL_ASFLAGS']
+        else:
+            src_group['LOCAL_ASFLAGS'] = group['LOCAL_ASFLAGS']
 
 def DefineGroup(name, src, depend, **parameters):
     global Env
@@ -550,6 +560,8 @@ def DefineGroup(name, src, depend, **parameters):
         Env.AppendUnique(CPPDEFINES = group['CPPDEFINES'])
     if group.has_key('LINKFLAGS'):
         Env.AppendUnique(LINKFLAGS = group['LINKFLAGS'])
+    if group.has_key('ASFLAGS'):
+        Env.AppendUnique(ASFLAGS = group['ASFLAGS'])
 
     # check whether to clean up library
     if GetOption('cleanlib') and os.path.exists(os.path.join(group['path'], GroupLibFullName(name, Env))):
@@ -645,13 +657,14 @@ def DoBuilding(target, objects):
 
     # handle local group
     def local_group(group, objects):
-        if group.has_key('LOCAL_CCFLAGS') or group.has_key('LOCAL_CPPPATH') or group.has_key('LOCAL_CPPDEFINES'):
+        if group.has_key('LOCAL_CCFLAGS') or group.has_key('LOCAL_CPPPATH') or group.has_key('LOCAL_CPPDEFINES') or group.has_key('LOCAL_ASFLAGS'):
             CCFLAGS = Env.get('CCFLAGS', '') + group.get('LOCAL_CCFLAGS', '')
             CPPPATH = Env.get('CPPPATH', ['']) + group.get('LOCAL_CPPPATH', [''])
             CPPDEFINES = Env.get('CPPDEFINES', ['']) + group.get('LOCAL_CPPDEFINES', [''])
+            ASFLAGS = Env.get('ASFLAGS', '') + group.get('LOCAL_ASFLAGS', '')
 
             for source in group['src']:
-                objects.append(Env.Object(source, CCFLAGS = CCFLAGS,
+                objects.append(Env.Object(source, CCFLAGS = CCFLAGS, ASFLAGS = ASFLAGS,
                     CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES))
 
             return True