diff options
Diffstat (limited to 'var.c')
| -rw-r--r-- | var.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -1,4 +1,4 @@ -/* $NetBSD: var.c,v 1.220 2018/05/27 01:14:51 christos Exp $ */ +/* $NetBSD: var.c,v 1.221 2018/12/21 05:50:19 sjg Exp $ */ /* * Copyright (c) 1988, 1989, 1990, 1993 @@ -69,14 +69,14 @@ */ #ifndef MAKE_NATIVE -static char rcsid[] = "$NetBSD: var.c,v 1.220 2018/05/27 01:14:51 christos Exp $"; +static char rcsid[] = "$NetBSD: var.c,v 1.221 2018/12/21 05:50:19 sjg Exp $"; #else #include <sys/cdefs.h> #ifndef lint #if 0 static char sccsid[] = "@(#)var.c 8.3 (Berkeley) 3/19/94"; #else -__RCSID("$NetBSD: var.c,v 1.220 2018/05/27 01:14:51 christos Exp $"); +__RCSID("$NetBSD: var.c,v 1.221 2018/12/21 05:50:19 sjg Exp $"); #endif #endif /* not lint */ #endif @@ -835,7 +835,8 @@ Var_UnExport(char *str) environ = savedEnv = newenv; newenv[0] = NULL; newenv[1] = NULL; - setenv(MAKE_LEVEL_ENV, cp, 1); + if (cp && *cp) + setenv(MAKE_LEVEL_ENV, cp, 1); } else { for (; *str != '\n' && isspace((unsigned char) *str); str++) continue; |