[src/ktime] fix the bug when use keil AC6 and open RT_USING_HOOKLIST … (#9993)

* [src/ktime] fix the bug when use keil AC6 and open RT_USING_HOOKLIST and RT_USING_KTIME

bsp/stm32/stm32h750-artpi/rtconfig.py

@@ -19,13 +19,13 @@ if  CROSS_TOOL == 'gcc':
     PLATFORM    = 'gcc'
     EXEC_PATH   = r'/opt/gcc-arm-none-eabi/bin/'
 elif CROSS_TOOL == 'keil':
-    PLATFORM    = 'armcc'
+    PLATFORM    = 'armclang'   #KEIL AC6
     EXEC_PATH   = r'C:/Keil_v5'
 elif CROSS_TOOL == 'iar':
     PLATFORM    = 'iccarm'
     EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
 
-if os.getenv('RTT_EXEC_PATH'):
+if os.getenv('RTT_EXEC_PATH') and (CROSS_TOOL == 'gcc'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
 
 BUILD = 'debug'

components/drivers/ktime/SConscript

@@ -13,7 +13,12 @@ if rtconfig.ARCH in list:
     else:
         src += Glob("src/" + rtconfig.ARCH + "/*.c")
 CPPPATH = [cwd, cwd + "/inc"]
+LOCAL_CCFLAGS = ''
+if rtconfig.PLATFORM in ['gcc', 'armclang']:
+    LOCAL_CCFLAGS += ' -std=gnu99'
+elif rtconfig.PLATFORM in ['armcc']:
+    LOCAL_CCFLAGS += ' --c99 --gnu'
 
-group = DefineGroup('ktime', src, depend=['RT_USING_KTIME'], CPPPATH=CPPPATH)
+group = DefineGroup('ktime', src, depend=['RT_USING_KTIME'], CPPPATH=CPPPATH, LOCAL_CCFLAGS = LOCAL_CCFLAGS)
 
 Return('group')

src/SConscript

@@ -44,6 +44,12 @@ if rtconfig.PLATFORM in ['gcc']: # only for GCC
     if rtconfig.ARCH not in ['sim']:
         LINKFLAGS += ' -Wl,--gc-sections,--print-memory-usage' # remove unused sections and print memory usage
 
+if GetDepend('RT_USING_HOOKLIST') == True:
+    if rtconfig.PLATFORM in ['gcc', 'armclang']:
+        LOCAL_CFLAGS += ' -std=gnu99'
+    elif rtconfig.PLATFORM in ['armcc']:
+        LOCAL_CFLAGS += ' --c99 --gnu'
+
 group = DefineGroup('Kernel', src, depend=[''], CPPPATH=inc,
                     LINKFLAGS=LINKFLAGS, LOCAL_CFLAGS=LOCAL_CFLAGS,
                     CPPDEFINES=['__RTTHREAD__'], LOCAL_CPPDEFINES=['__RT_KERNEL_SOURCE__'])