Correct check for in-template flags

It was named and used as if it were positive logic, and written with
negative logic. This changes the name and usage to negative logic.

Author: theotherjimmy

tools/export/uvision/__init__.py

@@ -163,18 +163,19 @@ def format_flags(self):
             ",".join(filter(lambda f: f.startswith("-D"), flags['asm_flags'])))
         flags['asm_flags'] = asm_flag_string
 
+        config_option = self.toolchain.get_config_option(
+            self.toolchain.get_config_header())
         c_flags = set(flags['c_flags'] + flags['cxx_flags'] +flags['common_flags'])
         in_template = set(["--no_vla", "--cpp", "--c99", "-std=gnu99",
-                           "-std=g++98"] + self.toolchain.get_config_option(
-                               self.toolchain.get_config_header()))
+                           "-std=g++98"] + config_option)
 
-        valid_flag = lambda x: x not in in_template or not x.startswith("-O")
+        invalid_flag = lambda x: x in in_template or x.startswith("-O")
         is_define = lambda s: s.startswith("-D")
 
         flags['c_flags'] = " ".join(f.replace('"','\\"') for f in c_flags
-                                    if (valid_flag(f) and not is_define(f)))
-        flags['c_flags'] += " ".join(self.toolchain.get_config_option(
-            self.toolchain.get_config_header()))
+                                    if (not invalid_flag(f) and not is_define(f)))
+        flags['c_flags'] += " "
+        flags['c_flags'] += " ".join(config_option)
         flags['c_defines'] = " ".join(f[2:] for f in c_flags if is_define(f))
         flags['ld_flags'] = " ".join(set(flags['ld_flags']))
         return flags