Don't overwrite environment CFLAGS.

OK bluhm@

diff --git a/regress/lib/libagentx/Makefile b/regress/lib/libagentx/Makefile
index 6ff7c6d..c5f859c 100644 (file)
--- a/regress/lib/libagentx/Makefile
+++ b/regress/lib/libagentx/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.5 2021/01/17 20:53:51 bluhm Exp $
+# $OpenBSD: Makefile,v 1.6 2021/04/20 11:17:52 martijn Exp $
 
 .if ! exists(/usr/local/sbin/snmpd)
 regress:
@@ -8,7 +8,7 @@ regress:
 
 PROG=                  agentx
 SRCS=                  main.c log.c
-CFLAGS=                        -Wall
+CFLAGS+=               -Wall
 NOMAN=                 yes
 LDADD=                 -lagentx -levent