From 95122204f4a1e193b4cccd2a7bdebb4000e65570 Mon Sep 17 00:00:00 2001
From: Joshua Warner <joshua.warner@readytalk.com>
Date: Wed, 7 May 2014 13:01:07 -0600
Subject: [PATCH] add sanity checks for makefile parameters

---
 makefile | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/makefile b/makefile
index 560364a5a4..6039c2a475 100755
--- a/makefile
+++ b/makefile
@@ -50,6 +50,22 @@ ifeq ($(codegen-targets),all)
 	options := $(options)-all
 endif
 
+ifeq ($(filter debug debug-fast fast small,$(mode)),)
+	x := $(error "'$(mode)' is not a valid mode (choose one of: debug debug-fast fast small)")
+endif
+
+ifeq ($(filter compile interpret,$(process)),)
+	x := $(error "'$(process)' is not a valid process (choose one of: compile interpret)")
+endif
+
+ifeq ($(filter x86_64 i386 arm,$(arch)),)
+	x := $(error "'$(arch)' is not a supported architecture (choose one of: x86_64 i386 arm)")
+endif
+
+ifeq ($(filter linux windows darwin freebsd,$(platform)),)
+	x := $(error "'$(platform)' is not a supported platform (choose one of: linux windows darwin freebsd)")
+endif
+
 aot-only = false
 root := $(shell (cd .. && pwd))
 build = build/$(platform)-$(arch)$(options)
@@ -107,6 +123,10 @@ ifneq ($(openjdk),)
 		openjdk-arch = amd64
 	endif
 
+	ifneq ($(android),)
+		x := $(error "android and openjdk are incompatible")
+	endif
+
 	ifneq ($(openjdk-src),)
 		include openjdk-src.mk
 		options := $(options)-openjdk-src