Some detection improvements to the build system.

Also checks added form iswgraph(), wchar_t, and int_t.


git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@1566 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/src/config_unix.h.in

@@ -38,6 +38,15 @@
 /* Defined if your system has getopt.h */
 @HAVE_GETOPT_H@
 
+/* Defined if your system has iswgraph of its own*/
+@HAVE_ISWGRAPH@
+
+/* Defined if your system has wchar_t of its own */
+@HAVE_WCHAR_T@
+
+/* Defined if your system has wint_t of its own */
+@HAVE_WINT_T@
+
 #endif  /* _CONFIG_UNIX_H */
 
 

sc2/src/msvc++/config.h

@@ -39,5 +39,14 @@
 /* Defined if your system has getopt.h */
 #undef HAVE_GETOPT_H
 
+/* Defined if your system has iswgraph of its own*/
+#define HAVE_ISWGRAPH
+
+/* Defined if your system has wchar_t of its own */
+#define HAVE_WCHAR_T
+
+/* Defined if your system has wint_t of its own */
+#define HAVE_WINT_T
+
 #endif /* _CONFIG_H */
 

sc2/src/port.h

@@ -116,6 +116,25 @@ typedef unsigned short mode_t;
 int setenv (const char *name, const char *value, int overwrite);
 #endif
 
+#ifndef HAVE_WCHAR_T
+typedef unsigned short wchar_t
+#endif
+
+#ifndef HAVE_WINT_T
+typedef unsigned int wint_t
+#endif
+
+#ifdef HAVE_ISWGRAPH
+#	include <wctype.h>
+#else
+#	include <ctype.h>
+static inline int
+iswgraph(wint_t wc)
+{
+	return wc > 0x7f || isgraph((int) wc);
+}
+#endif
+
 #endif  /* _PORT_H */