From b2645adf509dd3e6c4ef52e094eeb8e5f1e0279a Mon Sep 17 00:00:00 2001
From: jlam <jlam@pkgsrc.org>
Date: Fri, 13 Feb 2004 00:27:28 +0000
Subject: Check if a variable is defined before checking its value.

---
 lang/gcc3-f77/buildlink3.mk | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lang/gcc3-f77')

diff --git a/lang/gcc3-f77/buildlink3.mk b/lang/gcc3-f77/buildlink3.mk
index 80c7723a3f7..d8f0e28b8f7 100644
--- a/lang/gcc3-f77/buildlink3.mk
+++ b/lang/gcc3-f77/buildlink3.mk
@@ -1,4 +1,4 @@
-# $NetBSD: buildlink3.mk,v 1.4 2004/02/13 00:16:00 jlam Exp $
+# $NetBSD: buildlink3.mk,v 1.5 2004/02/13 00:27:28 jlam Exp $
 
 BUILDLINK_DEPTH:=	${BUILDLINK_DEPTH}+
 GCC3F77_BUILDLINK3_MK:=	${GCC3F77_BUILDLINK3_MK}+
@@ -10,8 +10,10 @@ BUILDLINK_DEPENDS+=	gcc3f77
 .endif
 
 .if !empty(GCC3F77_BUILDLINK3_MK:M+)
-.  if ${GCC3_INSTALLTO_SUBPREFIX} != "gcc3"
+.  if defined(GCC3_INSTALLTO_SUBPREFIX)
+.    if ${GCC3_INSTALLTO_SUBPREFIX} != "gcc3"
 GCC3_PKGMODIF=			_${GCC3_INSTALLTO_SUBPREFIX}
+.    endif
 .  endif
 BUILDLINK_PACKAGES+=		gcc3f77
 BUILDLINK_DEPENDS.gcc3f77+=	gcc3${GCC3_PKGMODIF}-f77>=${_GCC_REQD}
-- 
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