19990502 sourceware import

include/symcat.h

@@ -0,0 +1,40 @@
+/* Symbol concatenation utilities.
+
+   Copyright (C) 1998, Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+ 
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef SYM_CAT_H
+#define SYM_CAT_H
+
+#if defined (__STDC__) || defined (ALMOST_STDC)
+#define CONCAT2(a,b)	 a##b
+#define CONCAT3(a,b,c)	 a##b##c
+#define CONCAT4(a,b,c,d) a##b##c##d
+#define STRINGX(s) #s
+#else
+#define CONCAT2(a,b)	 a/**/b
+#define CONCAT3(a,b,c)	 a/**/b/**/c
+#define CONCAT4(a,b,c,d) a/**/b/**/c/**/d
+#define STRINGX(s) "?"
+#endif
+
+#define XCONCAT2(a,b)     CONCAT2(a,b)
+#define XCONCAT3(a,b,c)   CONCAT3(a,b,c)
+#define XCONCAT4(a,b,c,d) CONCAT4(a,b,c,d)
+
+#define XSTRING(s) STRINGX(s) 
+
+#endif SYM_CAT_H