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Default to -ansi and declare at top of block

See attached.

>From 9732116e19ad933925fa37fc1bbf603bea47dcc6 Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Wed, 15 Jul 2015 19:52:21 +0100
Subject: [PATCH] Default to -ansi and declare at top of block

Without -ansi, the typeof() function was throwing errors.

--- a/cc1/Makefile

+++ b/cc1/Makefile

@@ -1,4 +1,4 @@

-

+CFLAGS = -ansi

 OBJS = types.o decl.o lex.o error.o symbol.o main.o expr.o \

 	code.o stmt.o cpp.o

--- a/cc1/cpp.c

+++ b/cc1/cpp.c

@@ -218,7 +218,7 @@

 expand(Symbol *sym)

 {

 	unsigned len;

-	int r;

+	int r, n;

 	char *arglist[NR_MACROARG], arguments[INPUTSIZ], buffer[BUFSIZE];

 	char prevc, c, *bp, *lim, *arg, *s = sym->u.s;

@@ -236,7 +236,7 @@

 	if ((r = parsepars(arguments, arglist, atoi(s))) < 1)

 		return r;

-	for (int n = 0; n < atoi(s); ++n)

+	for (n = 0; n < atoi(s); ++n)

 		fprintf(stderr, "PAR%d:%s\n", n, arglist[n]);

 	len = INPUTSIZ-1;