make sure node is available

1 files changed, 7 insertions, 5 deletions

diff --git a/Makefile b/Makefile
index 1b262cc916..d3b74c86b5 100644
--- a/Makefile
+++ b/Makefile
@@ -7,10 +7,12 @@ V ?= 1
 all: llmr
 
 # Builds the regular library
-llmr: config.gypi llmr.gyp
+llmr: config.gypi llmr.gyp node
 	deps/run_gyp llmr.gyp --depth=. -Goutput_dir=.. --generator-output=./build/llmr -f make
 	make -C build/llmr V=$(V) llmr-x86
 
+node:
+	@if [ ! `which node` ]; then echo 'error: depends on node.js. please make sure node is on your PATH'; exit 1; fi;
 
 ##### Test cases ###############################################################
 
@@ -40,7 +42,7 @@ run-headless-test: build/test/Makefile
 
 
 # Builds the linux app with make. This is also used by Travis CI
-linux: config.gypi linux/llmr-app.gyp
+linux: config.gypi linux/llmr-app.gyp node
 	deps/run_gyp linux/llmr-app.gyp --depth=. -Goutput_dir=.. --generator-output=./build/linux -f make
 	make -C build/linux V=$(V) linuxapp
 
@@ -52,17 +54,17 @@ run-linux: linux
 ##### Xcode projects ###########################################################
 
 # build Mac OS X project for Xcode
-xproj: config.gypi macosx/llmr-app.gyp
+xproj: config.gypi macosx/llmr-app.gyp node
 	deps/run_gyp macosx/llmr-app.gyp --depth=. --generator-output=./build -f xcode
 	open ./build/macosx/llmr-app.xcodeproj
 
 # build iOS project for Xcode
-iproj: config.gypi ios/llmr-app.gyp
+iproj: config.gypi ios/llmr-app.gyp node
 	deps/run_gyp ios/llmr-app.gyp --depth=. --generator-output=./build -f xcode
 	open ./build/ios/llmr-app.xcodeproj
 
 # build Linux project for Xcode (Runs on Mac OS X too, but without platform-specific code)
-lproj: config.gypi linux/llmr-app.gyp
+lproj: config.gypi linux/llmr-app.gyp node
 	deps/run_gyp linux/llmr-app.gyp --depth=. --generator-output=./build -f xcode
 	open ./build/linux/llmr-app.xcodeproj