[pkgsrc/trunk]: pkgsrc/x11/Xrender check variable is defined before testing i...

[grant <grant%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/28529c17fcf8
branches:  trunk
changeset: 496707:28529c17fcf8
user:      grant <grant%pkgsrc.org@localhost>
date:      Sat Jul 09 04:36:42 2005 +0000

description:
check variable is defined before testing its value.

diffstat:

 x11/Xrender/builtin.mk |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r 6274e4e39706 -r 28529c17fcf8 x11/Xrender/builtin.mk
--- a/x11/Xrender/builtin.mk    Sat Jul 09 04:34:53 2005 +0000
+++ b/x11/Xrender/builtin.mk    Sat Jul 09 04:36:42 2005 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: builtin.mk,v 1.11 2005/06/03 19:12:50 jlam Exp $
+# $NetBSD: builtin.mk,v 1.12 2005/07/09 04:36:42 grant Exp $
 
 BUILTIN_PKG:=  Xrender
 
@@ -44,7 +44,8 @@
 _BLTN_XRENDER_0.8.xorg=                6.[7-9]* 6.[1-9][0-9]*
 .  for _version_ in ${_BLTN_XRENDER_VERSIONS}
 .    for _pattern_ in ${_BLTN_XRENDER_${_version_}.${BUILTIN_X11_TYPE.${X11_TYPE}}}
-.      if !empty(BUILTIN_X11_VERSION.${X11_TYPE}:M${_pattern_})
+.      if defined(BUILTIN_X11_VERSION.${X11_TYPE}) && \
+          !empty(BUILTIN_X11_VERSION.${X11_TYPE}:M${_pattern_})
 BUILTIN_VERSION.Xrender?=      ${_version_}
 .      endif
 .    endfor