diff --git a/ci/configure.sh b/ci/configure.sh
index e47d02b6e12..8a7d986415d 100755
--- a/ci/configure.sh
+++ b/ci/configure.sh
@@ -4,7 +4,8 @@
 set -ex
 thisdir="$(dirname "$0")"
 cd "$thisdir"/..
-OPTS="--config-cache --enable-debug"
+# include any existing OPTS in calling environment
+OPTS="$OPTS --config-cache --enable-debug"
 
 if [ -f /etc/os-release ]; then
   source /etc/os-release
diff --git a/ci/dependencies.sh b/ci/dependencies.sh
index f3563ab676f..8d6d6af0181 100755
--- a/ci/dependencies.sh
+++ b/ci/dependencies.sh
@@ -24,6 +24,7 @@ build_lmdb() {
         cd lmdb/libraries/liblmdb
         make
         $GAINROOT make install prefix=/usr
+        $GAINROOT ldconfig
     )
 }