diff --git a/devel/bin/test_all.sh b/devel/bin/test_all.sh
index c3ffa2e..63ae008 100755
--- a/devel/bin/test_all.sh
+++ b/devel/bin/test_all.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
@@ -15,45 +15,105 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-if test ! -f devel/bin/test_all.sh
-then
-    echo Error: can only run from root dir of repository
+if [ ! -e LICENSE ]; then
+    echo "$0 must be run from the top level of the Lucy repository"
     exit 1
 fi
+export TOPLEVEL=`pwd`
 
-# C
-cd clownfish/compiler/c
-./configure && make -j && make -j test
-C_CFC_RESULT=$?
-cd ../../runtime/c
-./configure && make -j && make -j test
-C_CFISH_RUNTIME_RESULT=$?
-cd ../../../c
-./configure && make -j && make -j test
-C_LUCY_RESULT=$?
-make distclean
+echo "==============================="
+echo "Test all host bindings for Lucy"
+echo "==============================="
+echo
 
-# Perl
-cd ../clownfish/compiler/perl
-perl Build.PL && ./Build test
-PERL_CFC_RESULT=$?
-cd ../../runtime/perl
-perl Build.PL && ./Build test
-PERL_CFISH_RUNTIME_RESULT=$?
-cd ../../../perl
-perl Build.PL && ./Build test
-PERL_LUCY_RESULT=$?
-./Build realclean
+# Exit status codes indicating that the target has built and tested
+# successfully.
+LUCY_C_STATUS=1
+LUCY_PERL_STATUS=1
 
-# Exit with a failing value if any test failed.
-if     [ $C_CFC_RESULT -ne 0 ] \
-    || [ $C_CFISH_RUNTIME_RESULT -ne 0 ] \
-    || [ $C_LUCY_RESULT -ne 0 ] \
-    || [ $PERL_CFC_RESULT -ne 0 ] \
-    || [ $PERL_CFISH_RUNTIME_RESULT -ne 0 ] \
-    || [ $PERL_LUCY_RESULT -ne 0 ]
-then
+# Make a shallow clone of the clownfish repo.
+if [ -z "$CLOWNFISH" ]; then
+    export CLOWNFISH=https://git-wip-us.apache.org/repos/asf/lucy-clownfish.git
+fi
+git clone --depth=1 $CLOWNFISH clownfish
+if [ $? -ne 0 ]; then
+    echo FATAL: failed to clone Clownfish repository.
     exit 1
 fi
-exit 0
+source $TOPLEVEL/clownfish/devel/bin/setup_env.sh
+export CFLOG=$TOPLEVEL/clownfish.build.log
+rm -f $CFLOG
+
+# C bindings
+echo "Building and testing Clownfish dependencies for Lucy C bindings..."
+cd $TOPLEVEL/clownfish/compiler/c
+./configure >> $CFLOG && make -j >> $CFLOG && make -j test >> $CFLOG
+CFC_C_STATUS=$?
+cd $TOPLEVEL/clownfish/runtime/c
+./configure >> $CFLOG && make -j >> $CFLOG && make -j test >> $CFLOG
+CFRUNTIME_C_STATUS=$?
+if [ $CFC_C_STATUS -ne 0 ] || [ $CFRUNTIME_C_STATUS -ne 0 ]; then
+    cat $CFLOG
+    echo "Clownfish C build failed -- skipping Lucy C bindings."
+else
+    echo "Clownfish C build succeeded."
+    cd $TOPLEVEL/c
+    ./configure && make -j && make -j test
+    LUCY_C_STATUS=$?
+    make distclean
+    cd $TOPLEVEL/clownfish/runtime/c
+    make distclean
+fi
+
+## Perl bindings
+cd $TOPLEVEL
+echo "Building and testing Clownfish dependencies for Lucy Perl bindings..."
+rm -f $CFLOG
+mkdir perl5lib
+cd $TOPLEVEL/clownfish/compiler/perl
+perl Build.PL --install_base=$TOPLEVEL/perl5lib >> $CFLOG \
+ && ./Build test >> $CFLOG \
+ && ./Build install >> $CFLOG
+./Build realclean >> $CFLOG
+cd $TOPLEVEL/clownfish/runtime/perl
+perl Build.PL --install_base=$TOPLEVEL/perl5lib >> $CFLOG \
+ && ./Build test >> $CFLOG \
+ && ./Build install >> $CFLOG
+CFRESULT=$?
+./Build realclean >> $CFLOG
+if [ $CFRESULT -ne 0 ]; then
+    cat $CFLOG
+    echo "Clownfish Perl build failed -- skipping Lucy Perl bindings."
+else
+    echo "Clownfish Perl build succeeded."
+    cd $TOPLEVEL/perl
+    export PERL5LIB=$TOPLEVEL/perl5lib/lib/perl5
+    perl Build.PL
+    ./Build test
+    LUCY_PERL_STATUS=$?
+    ./Build realclean
+fi
+rm -rf $TOPLEVEL/perl5lib
+
+# Clean up.
+rm -rf $TOPLEVEL/clownfish
+rm -f $CFLOG
+
+# Print report and exit.
+RESULT=0
+function check_target {
+    if [ $2 == 0 ]; then
+        echo "Success:" $1
+    else
+        echo "FAIL:   " $1
+        RESULT=1
+    fi
+}
+echo "==============================="
+echo "         Test results          "
+echo "==============================="
+check_target "c" $LUCY_C_STATUS
+check_target "perl" $LUCY_PERL_STATUS
+exit $RESULT
+