[ci] Add check to detect broken symlinks.

.circleci/config.yml

@@ -332,6 +332,9 @@ jobs:
       - run:
           name: checking shell scripts
           command: ./scripts/chk_shellscripts/chk_shellscripts.sh
+      - run:
+          name: Check for broken symlinks
+          command: ./scripts/check_symlinks.sh
 
   chk_errorcodes:
     docker:

scripts/check_symlinks.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -e
+
+REPO_ROOT="$(dirname "$0")"/..
+REPO_ROOT=$(realpath "${REPO_ROOT}")
+
+BROKEN_LINKS=$(find -L "${REPO_ROOT}" -type l -ls)
+if [ -z "${BROKEN_LINKS}" ]
+then
+  exit 0
+else
+  echo "broken symbolic link(s) found:"
+  echo "${BROKEN_LINKS}"
+
+  exit 1
+fi

scripts/ci/buildpack-deps_test_emscripten.sh

@@ -1 +1 @@
-../../scripts/travis-emscripten/build_emscripten.sh
+build_emscripten.sh