From 83c5a3b5838ba648b7783d7f84f12168304030bd Mon Sep 17 00:00:00 2001
From: Ian Dowse <iedowse@FreeBSD.org>
Date: Sun, 1 Sep 2002 12:49:27 +0000
Subject: [PATCH] If the CC environment variable contains multiple words then
 split it up into separate exec arguments.

Reviewed by:	markm
---
 usr.bin/xlint/xlint/xlint.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/usr.bin/xlint/xlint/xlint.c b/usr.bin/xlint/xlint/xlint.c
index a694ff425b87..f7d0d9825fee 100644
--- a/usr.bin/xlint/xlint/xlint.c
+++ b/usr.bin/xlint/xlint/xlint.c
@@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/wait.h>
 #include <sys/stat.h>
 #include <sys/utsname.h>
+#include <err.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <paths.h>
@@ -583,7 +584,7 @@ static void
 fname(const char *name)
 {
 	const	char *bn, *suff;
-	char	**args, *ofn, *pathname, *CC;
+	char	**args, *ofn, *p, *pathname;
 	size_t	len;
 	int is_stdin;
 	int	fd;
@@ -643,10 +644,13 @@ fname(const char *name)
 	if (getenv("CC") == NULL) {
 		pathname = xmalloc(strlen(PATH_USRBIN) + sizeof ("/cc"));
 		(void)sprintf(pathname, "%s/cc", PATH_USRBIN);
-	} else
+		appcstrg(&args, pathname);
+	} else {
 		pathname = strdup(getenv("CC"));
+		for (p = strtok(pathname, " \t"); p; p = strtok(NULL, " \t"))
+			appcstrg(&args, p);
+	}
 
-	appcstrg(&args, pathname);
 	applst(&args, cflags);
 	applst(&args, lcflags);
 	appcstrg(&args, name);