Squashed 'libs/CommService/' content from commit 7ccc0fc

git-subtree-dir: libs/CommService
git-subtree-split: 7ccc0fce88bbc5969df060058cf0fb57abe3bcf9

libs/CLI11/.ci/build_doxygen.sh

@@ -0,0 +1,25 @@
+#!/bin/env sh
+# (Source me)
+
+set -evx
+
+#DOXYGEN_URL="http://doxygen.nl/files/doxygen-1.8.17.src.tar.gz"
+DOXYGEN_URL="https://github.com/doxygen/doxygen/archive/Release_1_8_15.tar.gz"
+cd "${DEPS_DIR}"
+
+if [[ ! -f "${DEPS_DIR}/doxygen/build/bin/doxygen" ]] ; then
+  echo "Downloading Doxygen"
+  mkdir -p doxygen
+  travis_retry wget --no-check-certificate --quiet -O - "${DOXYGEN_URL}" | tar --strip-components=1 -xz -C doxygen
+  cd doxygen
+  mkdir -p build
+  cd build
+  cmake ..
+  make -j2
+fi
+
+export PATH="${DEPS_DIR}/doxygen/build/bin:${PATH}"
+
+cd "${TRAVIS_BUILD_DIR}"
+
+set +evx