version using input module and detecting preprocessor loops

lang/cem/cemcom/init.c

@@ -5,7 +5,6 @@
 
 #ifndef NOPP
 #include	<system.h>
-#include	"predefine.h"	/* UF */
 #include	"alloc.h"
 #include	"class.h"
 #include	"macro.h"
@@ -57,10 +56,7 @@ init_pp()
 	}
 
 	/*	Initialize __DATE__, __FILE__ and __LINE__ macro
-		definitions.  The compile-time specified predefined macros
-		are also predefined:  if this file is compiled with
-		-DPREDEFINE="vax,pdp", the macro definitions "vax" and
-		"pdp" are predefined macros.
+		definitions.
 	*/
 	/* __DATE__	*/
 	clock = sys_time();
@@ -77,33 +73,5 @@ init_pp()
 
 	/* defined(??) */
 	macro_def(str2idf("defined"), "", 1, 1, FUNC);
-
-#ifdef	PREDEFINE
-	{
-		/*	PREDEFINE is a compile-time defined string
-			containing a number of identifiers to be
-			predefined at the host machine (for example
-			-DPREDEFINE="vax,unix,pmds").
-		*/
-		register char *s = PREDEFINE;
-		register char *id;
-		char c;
-
-		for (;;)	{
-			while (*s && class(*s++) != STIDF);
-			if (*s)	{
-				/* gobble identifier */
-				id = s - 1;
-				while (in_idf(*s++));
-				c = *--s;
-				*s = '\0';
-				macro_def(str2idf(id), "1", -1, 1, PREDEF);
-				*s = c;
-			}
-			else
-				break;
-		}
-	}
-#endif	PREDEFINE
 }
 #endif NOPP