From 1bc2ae16f1acd2da782a7032b84fde05b19709c5 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: May 26 2021 16:48:15 +0000
Subject: build system: ccenv_set_cc_underscore(): send errors to config.log.


---

diff --git a/sofort/ccenv/ccenv.sh b/sofort/ccenv/ccenv.sh
index 857a202..433fec0 100644
--- a/sofort/ccenv/ccenv.sh
+++ b/sofort/ccenv/ccenv.sh
@@ -743,6 +743,7 @@ ccenv_set_cc_underscore()
 
 	if printf "$ccenv_fn_code" $ccenv_fn_name  \
 			| $ccenv_cc -xc - -S -o -  \
+				2>&3               \
 			| grep "^_$ccenv_fn_name:" \
 				> /dev/null; then
 		ccenv_cc_underscore='_'