do not process stdout, to play nice with ccache
diff --git a/bin/9c b/bin/9c
index 91576e0..3e8e66e 100755
--- a/bin/9c
+++ b/bin/9c
@@ -58,7 +58,7 @@
# The uniq at the end is for gcc's strcmp/etc. built-in nonsense,
# which multiplies single errors as a result of its expansion.
xtmp=/tmp/9c.$$.$USER.out
-$cc -DPLAN9PORT -I$PLAN9/include $cflags "$@" >$xtmp 2>&1
+$cc -DPLAN9PORT -I$PLAN9/include $cflags "$@" 2>$xtmp
status=$?
grep -v '__p9l_autolib_' $xtmp |
egrep -v ': error: .Each undeclared identifier|: error: for each function it appears|: In function `|: At top level:' |
