Remove g++ support from the [C]Make files.

Move all '.cpp' files to '.c'.
Rename comments from 'cpp' to 'c'.

JerryScript-DCO-1.0-Signed-off-by: Roland Takacs rtakacs.u-szeged@partner.samsung.com
JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com

main-mcu.c

@@ -0,0 +1,45 @@
+/* Copyright 2015 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "jerry.h"
+
+/**
+ * Standalone Jerry exit codes
+ */
+#define JERRY_STANDALONE_EXIT_CODE_OK   (0)
+#define JERRY_STANDALONE_EXIT_CODE_FAIL (1)
+
+#include JERRY_MCU_SCRIPT_HEADER
+#include "jerry-core/jerry-api.h"
+
+static const char generated_source[] = JERRY_MCU_SCRIPT;
+
+int
+main (void)
+{
+  const char *source_p = generated_source;
+  const size_t source_size = sizeof (generated_source);
+
+  jerry_completion_code_t ret_code = jerry_run_simple ((jerry_api_char_t *) source_p, source_size, JERRY_FLAG_EMPTY);
+
+  if (ret_code == JERRY_COMPLETION_CODE_OK)
+  {
+    return JERRY_STANDALONE_EXIT_CODE_OK;
+  }
+  else
+  {
+    return JERRY_STANDALONE_EXIT_CODE_FAIL;
+  }
+} /* main */