ifeq ($(ARCH),)
ARCH := x86
endif
############################################
############# NACL ### TARGET
ifeq ($(TARGET),nacl)
ifndef NACL_SDK_ROOT
$(error Set NACL_SDK_ROOT environment variable)
endif
#
# Disable DOS PATH warning when using Cygwin based tools Windows
#
CYGWIN ?= nodosfilewarning
export CYGWIN

OSNAME:=$(shell python $(NACL_SDK_ROOT)/tools/getos.py)
# Turns on warnings (-Wxxx), builds with zero optimization (-O0) and adds debug
# information (-g) for correctness and ease of debugging.
WARNINGS:=-Wno-long-long -Wall
TC_PATH:=$(abspath $(NACL_SDK_ROOT)/toolchain/$(OSNAME)_x86_newlib)

CFLAGS:=-pthread $(WARNINGS) 
CXXFLAGS:=-pthread -std=gnu++98 $(WARNINGS) 
CXX:=$(TC_PATH)/bin/i686-nacl-g++
CC:=$(TC_PATH)/bin/i686-nacl-gcc
STATICLIB_EXT := a
DYNAMICLIB_EXT := nexe
LIBRARY_PREFIX := lib
LDFLAGS := -lppapi
GLOBAL_INCLUDES=-I../zlib/zlib_library -I$(TC_PATH)/i686-nacl/usr/include
RT_NOT_SUPPORTED :=
ZLIB_BUILD :=

ifeq ($(ARCH),x86)
CFLAGS += -m32
CXXFLAGS += -m32
LDFLAGS += -m32
else ifeq ($(ARCH),x64)
CFLAGS += -m64
CXXFLAGS += -m64
LDFLAGS += -m64
else
$(error Undefined ARCH $(ARCH))  
endif


else
############################################
### EVERYTHING ELSE REQUIRES JAVA_HOME #####
ifndef JAVA_HOME
$(error Set JAVA_HOME environment variable)
endif

ifeq ($(TARGET),)
	ifeq ($(shell uname),Darwin)
		TARGET := darwin
	endif
	ifeq ($(findstring CYGWIN,$(shell uname)),CYGWIN)
		TARGET := cygwin
	endif
	ifeq ($(findstring MINGW,$(shell uname)),MINGW)
		TARGET := win
	endif
endif
############################################
####### DEFAULT LINUX ########## TARGET
CXX        := g++
CC        := gcc
STRIP     := strip
STATICLIB_EXT := a
DYNAMICLIB_EXT := so
LIBRARY_PREFIX := lib
LDFLAGS := -shared -Wl,-Bsymbolic

############################################
####### Windows ########## TARGET
ifeq ($(TARGET),win)
CXX          := i586-mingw32msvc-gcc
CC          := i586-mingw32msvc-gcc
STRIP        := i586-mingw32msvc-strip
WINDRES			 :=i586-mingw32msvc-windres
RANLIB           := i586-mingw32msvc-ranlib
WINDRES			 := i586-mingw32msvc-windres
AR				 := i586-mingw32msvc-ar
GLOBAL_INCLUDES := -I../pthread/pthreads_library -I../zlib/zlib_library
RT_NOT_SUPPORTED := 1
COMMONFLAGS := -D_Windows -DXMD_H -DHAVE_BOOLEAN -DRT_NOT_SUPPORTED
CPP_FLAGS := $(COMMONFLAGS)
CFLAGS       := -D_JNI_IMPLEMENTATION $(COMMONFLAGS)
STATICLIB_EXT := a
DYNAMICLIB_EXT := dll
LIBRARY_PREFIX := lib
LDFLAGS := -shared -Wl,-Bsymbolic

else ifeq ($(TARGET),cygwin)
############################################
####### Cygwin  ########## TARGET

CXX := i686-pc-cygwin-g++
CC := i686-pc-cygwin-gcc
STRIP := i686-pc-cygwin-strip
LDFLAGS := -shared -Wl,--kill-at
CFLAGS := -D__int64="long long" -D_JNI_IMPLEMENTATION -D_REENTRANT -D_GNU_SOURCE
CXXFLAGS := -D__int64="long long" -D_JNI_IMPLEMENTATION -D_REENTRANT -D_GNU_SOURCE
STATICLIB_EXT := lib
DYNAMICLIB_EXT := dll
LIBRARY_PREFIX := # empty

endif

endif