move common macro to mrn_macro.h

Makefile.am

@@ -6,6 +6,7 @@ AM_CPPFLAGS = $(MYSQL_INC) $(GROONGA_CFLAGS) $(MYSQL_VERSION_CFLAGS)
 ACLOCAL_AMFLAGS = $$ACLOCAL_ARGS
 
 noinst_HEADERS =				\
+	mrn_macro.h				\
 	mrn_sys.h				\
 	ha_mroonga.h				\
 	mrn_table.h				\

mrn_macro.h

@@ -0,0 +1,30 @@
+/*
+  Copyright(C) 2012 Kouhei Sutou <kou@clear-code.com>
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef _mrn_macro_h
+#define _mrn_marco_h
+
+#ifdef  __cplusplus
+# define MRN_BEGIN_DECLS  extern "C" {
+# define MRN_END_DECLS    }
+#else
+# define MRN_BEGIN_DECLS
+# define MRN_END_DECLS
+#endif
+
+#endif /* _mrn_macro_h */

mrn_sys.h

@@ -21,15 +21,8 @@
 #ifndef _mrn_sys_h
 #define _mrn_sys_h
 
-#ifdef  __cplusplus
-# define MRN_BEGIN_DECLS  extern "C" {
-# define MRN_END_DECLS    }
-#else
-# define MRN_BEGIN_DECLS
-# define MRN_END_DECLS
-#endif
-
 #include <groonga.h>
+#include "mrn_macro.h"
 
 MRN_BEGIN_DECLS