make sure that the get function exits successfully in absence of variable value

git-svn-id: https://svn.apache.org/repos/asf/incubator/couchdb/trunk@668137 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 2 insertions, 2 deletions

diff --git a/bootstrap b/bootstrap
index 86be5abe..6b958254 100755
--- a/bootstrap
+++ b/bootstrap
@@ -39,10 +39,10 @@ get () {
     sed -e "s/m4_//" < $ACINCLUDE_IN_FILE >> $temporary_file
     echo $variable_name >> $temporary_file
     if test -x "`which m4 || true`"; then
-        `which m4` $temporary_file | grep -v "^$"
+        `which m4` $temporary_file | grep -v "^$" || true
     else
         if test -x "`which gm4 || true`"; then
-            `which gm4` $temporary_file | grep -v "^$"
+            `which gm4` $temporary_file | grep -v "^$" || true
         else
             echo unknown
         fi