Merge pull request #172 from Felix-LJY/master

添加EXEC_PATH自动查找

Author: JcZou

target/sieon/s1/rtconfig.py

@@ -1,4 +1,7 @@
 import os
+import shutil
+
+from pathlib import Path
 
 # board options
 BOARD = 'sieon-s1'
@@ -17,7 +20,17 @@
 # EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
 if CROSS_TOOL == 'gcc':
     PLATFORM = 'gcc'
-    EXEC_PATH = 'your-compiler-path'
+    if os.getenv('RTT_EXEC_PATH'):
+        EXEC_PATH = os.getenv('RTT_EXEC_PATH')
+    else:
+        try:
+            EXEC_PATH = str(Path(shutil.which('arm-none-eabi-gcc')).parent)
+        except:
+            print('================ERROR============================')
+            print('Not found arm-none-eabi-gcc in PATH!')
+            print('Please set it manually in your PATH!')
+            print('=================================================')
+            exit(0)
 else:
     print('================ERROR============================')
     print('Not support %s yet!' % CROSS_TOOL)