* See the License for the specific language governing permissions and
* limitations under the License.
*/
+#ifndef __GL_H_
+#define __GL_H_
#ifdef GL_ACTIVATE
-
#define USE_ENGINE(engine) setenv("ELM_ENGINE", engine, 1);
-
#else
-
#define USE_ENGINE(engine)
-
#endif
+#endif //__GL_H_
\ No newline at end of file