From 7e49b36198ba6906dab36b7bdafb5d82e88aa6c0 Mon Sep 17 00:00:00 2001
From: Patrick Niklaus <patrick.niklaus@student.kit.edu>
Date: Fri, 7 Apr 2017 07:18:16 +0000
Subject: [PATCH] Add script to fall back to source build

---
 package.json            |  2 +-
 scripts/node_install.sh | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100755 scripts/node_install.sh

diff --git a/package.json b/package.json
index 55dd5d641..f21ce6565 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "test": "npm run lint && node ./node_modules/cucumber/bin/cucumber.js features/ -p verify && node ./node_modules/cucumber/bin/cucumber.js features/ -p mld",
     "clean": "rm -rf test/cache",
     "docs": "./scripts/build_api_docs.sh",
-    "install": "node-pre-gyp install --fallback-to-build=false",
+    "install": "node-pre-gyp install --fallback-to-build=false || ./scripts/node_install.sh",
     "nodejs-tests": "make -C test/data && ./lib/binding/osrm-datastore test/data/ch/monaco.osrm && node test/nodejs/index.js | faucet"
   },
   "repository": {
diff --git a/scripts/node_install.sh b/scripts/node_install.sh
new file mode 100755
index 000000000..f8d0fb1ac
--- /dev/null
+++ b/scripts/node_install.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+set -e
+
+CMAKE_OPTIONS=${CMAKE_OPTIONS:-"-DCMAKE_BUILD_TYPE=Release -DENABLE_NODE_BINDINGS=On -DENABLE_MASON=On"}
+
+if [[ ! -f $(which cmake) ]]; then
+    echo "Needs cmake to build from source"
+    exit 1
+fi
+if [[ ! -f $(which clang) ]]; then
+    echo "Needs clang to build from source"
+    exit 1
+fi
+if [[ ! -f $(which clang++) ]]; then
+    echo "Needs clang++ to build from source"
+    exit 1
+fi
+
+if [[ -d build ]]; then
+    echo "Detected existing build directory, skipping compiling."
+    exit 0
+else
+    mkdir -p build
+    pushd build
+    CXX=clang++ CC=clang cmake .. $CMAKE_OPTIONS
+    popd
+fi