From fbfa6ede635dec8ffe38f55d6860189d7d58befe Mon Sep 17 00:00:00 2001
From: wolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 5 Apr 2002 13:03:51 +0000
Subject: [PATCH] Put variable into "..." to avoid a warning in case the value
 is empty.

git-svn-id: https://svn.dealii.org/trunk@5640 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/aclocal.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/deal.II/aclocal.m4 b/deal.II/aclocal.m4
index ddbba9bad3..fa8123e92d 100644
--- a/deal.II/aclocal.m4
+++ b/deal.II/aclocal.m4
@@ -1801,8 +1801,8 @@ AC_DEFUN(DEAL_II_CONFIGURE_TECPLOT, dnl
   AC_CHECK_FILE($TEC90HOME/include/TECIO.h,
 	        TECPLOT_INCLUDE_PATH=$TEC90HOME/include)
 
-  if (test -r $TECPLOT_LIBRARY_PATH && \
-      test -r $TECPLOT_INCLUDE_PATH/TECIO.h) ; then
+  if (test -r "$TECPLOT_LIBRARY_PATH" && \
+      test -r "$TECPLOT_INCLUDE_PATH/TECIO.h") ; then
     AC_DEFINE(DEAL_II_HAVE_TECPLOT, 1,
 	      [Flag indicating whether the library shall be compiled to use the Tecplot interface])
   fi
-- 
2.39.5