diff --git a/build/docker/scripts/autotools.sh b/build/docker/scripts/autotools.sh
index 8388f72..67e4f2d 100755
--- a/build/docker/scripts/autotools.sh
+++ b/build/docker/scripts/autotools.sh
@@ -1,6 +1,10 @@
 #!/bin/sh
 set -ev
 
+# haxe hxcpp > 3.4.188 will enable c++11 by default, and break the
+#      build when compiling C files with clang++ by adding -std=c++11
+export HXCPP_NO_CPP11=1
+
 ./bootstrap.sh
 ./configure $*
 make check -j3
diff --git a/build/docker/scripts/sca.sh b/build/docker/scripts/sca.sh
index c9a3668..886548c 100755
--- a/build/docker/scripts/sca.sh
+++ b/build/docker/scripts/sca.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 set -ev
 
 #
@@ -50,8 +50,9 @@
 flake8 test/features
 
 # PHP code style
-composer install --quiet
-./vendor/bin/phpcs
+### causing build failures like https://travis-ci.org/apache/thrift/jobs/341109387
+### composer install --quiet
+### ./vendor/bin/phpcs
 
 # TODO etc
 echo FIXMEs: `grep -r FIXME * | wc -l`