--- a/Resources/holy-build-box-compile.sh	Thu Jun 13 15:02:06 2019 +0200
+++ b/Resources/holy-build-box-compile.sh	Thu Jun 13 15:32:35 2019 +0200
@@ -1,12 +1,26 @@
 #!/bin/bash
+
+##
+## This script compiles cross-distribution Linux binaries thanks to
+## Holy Build Box: https://github.com/phusion/holy-build-box
+##
+## The ideal solution would be to use Linux Standard Base
+## (LSB). Unfortunately, the LSB C++ compiler is a pre-4.8 gcc that
+## does not feature full C++11 capabilities, which prevents compiling
+## the google-cloud-cpp project.
+##
+
 set -ex
 
 ROOT_DIR=`dirname $(readlink -f $0)`/..
 
+mkdir -p ${ROOT_DIR}/holy-build-box
+
 docker run -t -i --rm \
-       -v ${ROOT_DIR}:/source:ro \
-       -v ${ROOT_DIR}/holy-build-box:/target:rw \
-       phusion/holy-build-box-64:2.0.1 \
-       bash /source/Resources/holy-build-box-internal.sh
+    --user $(id -u):$(id -g) \
+    -v ${ROOT_DIR}:/source:ro \
+    -v ${ROOT_DIR}/holy-build-box:/target:rw \
+    phusion/holy-build-box-64:2.0.1 \
+    bash /source/Resources/holy-build-box-internal.sh
 
 ls -l ${ROOT_DIR}/holy-build-box/