fixed IAR project add LIBS

tools/iar.py

@@ -54,13 +54,13 @@ def IARAddGroup(parent, name, files, project_path):
         fn = f.rfile()
         name = fn.name
         path = os.path.dirname(fn.abspath)
-    
         basename = os.path.basename(path)
         path = _make_path_relative(project_path, path)
         path = os.path.join(path, name)
 
         file = SubElement(group, 'file')
         file_name = SubElement(file, 'name')
+
         if os.path.isabs(path):
             file_name.text = path.decode(fs_encoding)
         else:
@@ -87,6 +87,18 @@ def IARProject(target, script):
     LINKFLAGS = ''
     CCFLAGS = ''
     Libs = []
+    lib_prefix = ['lib', '']
+    lib_suffix = ['.a', '.o', '']
+
+    def searchLib(group):
+        for path_item in group['LIBPATH']:
+            for prefix_item in lib_prefix:
+                for suffix_item in lib_suffix:
+                    lib_full_path = os.path.join(path_item, prefix_item + item + suffix_item)
+                    if os.path.isfile(lib_full_path):
+                        return lib_full_path
+        else:
+            return ''
 
     # add group
     for group in script:
@@ -106,16 +118,13 @@ def IARProject(target, script):
 
         if group.has_key('LIBS') and group['LIBS']:
             for item in group['LIBS']:
-                lib_path = ''
+                lib_path = searchLib(group)
-
-                for path_item in group['LIBPATH']:
-                    full_path = os.path.join(path_item, item + '.a')
-                    if os.path.isfile(full_path): # has this library
-                        lib_path = full_path
-
                 if lib_path != '':
                     lib_path = _make_path_relative(project_path, lib_path)
                     Libs += [lib_path]
+                    # print('found lib isfile: ' + lib_path)
+                else:
+                    print('not found LIB: ' + item)
 
     # make relative path
     paths = set()