[offsets-tool] Updated build scripts to handle multiple platforms.

diff --git a/tools/offsets-tool/Makefile b/tools/offsets-tool/Makefile
index 0cb0afc4fe7efab1d4c3377ebfe3855f2a5fc9af..0a60dbdc30b8ae7a0373f4db929609644ad4429a 100644 (file)
--- a/tools/offsets-tool/Makefile
+++ b/tools/offsets-tool/Makefile
@@ -1,4 +1,30 @@
-CPPSHARP_DIR = CppSharp
+CPPSHARP_BASE_DIR = CppSharp
+
+ifeq ($(OS),Windows_NT)
+       CPPSHARP_OS=windows
+       ifeq ($(PROCESSOR_ARCHITEW6432),AMD64)
+               CPPSHARP_ARCH=64
+       else
+               ifeq ($(PROCESSOR_ARCHITECTURE),AMD64)
+                       CPPSHARP_ARCH=64
+               endif
+               ifeq ($(PROCESSOR_ARCHITECTURE),x86)
+                       CPPSHARP_ARCH=32
+               endif
+       endif
+else
+       UNAME_S := $(shell uname -s)
+       ifeq ($(UNAME_S),Linux)
+               CPPSHARP_OS=linux
+               CPPSHARP_ARCH=64
+       endif
+       ifeq ($(UNAME_S),Darwin)
+               CPPSHARP_OS=osx
+               CPPSHARP_ARCH=32
+       endif
+endif
+
+CPPSHARP_DIR = $(CPPSHARP_BASE_DIR)/$(CPPSHARP_OS)_$(CPPSHARP_ARCH)
 
 CPPSHARP_REFS = -r:$(CPPSHARP_DIR)/CppSharp.dll \
        -r:$(CPPSHARP_DIR)/CppSharp.AST.dll \