Don't attempt to use a compiler specified by $CC; it's perfectly legitimate

to have $CC point to this script, which would then yield the obvious result.
(This script is pretty much tied to the shipped compiler anyhow.)

gnu/usr.bin/egcs/c89/c89.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: c89.1,v 1.4 1999/03/09 12:54:40 kleink Exp $
+.\"	$NetBSD: c89.1,v 1.5 1999/04/10 15:22:27 kleink Exp $
 .\"
 .\" Copyright (c) 1999 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -69,14 +69,6 @@ Issue errors instead of warnings that normally would be presented by
 .It Fl D_ANSI_SOURCE
 Tell the system header file set to use an ANSI-conformant "clean" namespace.
 .El
-.Sh ENVIRONMENT VARIABLES
-The following environment variables affect the execution of
-.Nm "" :
-.Bl -tag -width -pedantic-errorsxx
-.It Ev CC
-C compiler program to use.  Defaults to
-.Ar cc .
-.El
 .Sh SEE ALSO
 .Xr cc 1
 .Sh STANDARDS

gnu/usr.bin/egcs/c89/c89.sh

@@ -30,4 +30,4 @@
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
 #
-exec ${CC-cc} -ansi ${1+$@}
+exec /usr/bin/cc -ansi ${1+$@}