example: build on any target

x86_64 was hardcoded this way it can be overloaded

make TARGET_ARCH=$RPM_ARCH did the trick on tizen

It was tested on arm

Change-Id: I6a3ba569807910c2bc4feef663c0a19d1792af07
Forwarded: https://gerrit.iotivity.org/gerrit/#/c/265/Signed-off-by: Philippe Coval <philippe.coval@open.eurogiciel.org>

examples/OICMiddle/makefile

+#//******************************************************************
+#//
+#// Copyright 2014 Intel Corporation.
+#//
+#//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+#//
+#// Licensed under the Apache License, Version 2.0 (the "License");
+#// you may not use this file except in compliance with the License.
+#// You may obtain a copy of the License at
+#//
+#//      http://www.apache.org/licenses/LICENSE-2.0
+#//
+#// Unless required by applicable law or agreed to in writing, software
+#// distributed under the License is distributed on an "AS IS" BASIS,
+#// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#// See the License for the specific language governing permissions and
+#// limitations under the License.
+#//
+#//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+
+# override with `make BUILD=release`
+# default to release build
+BUILD	  := debug
+PLATFORM  := linux
+CXX	  := g++
+#CXX	  := clang
+OUT_DIR	  := $(BUILD)
+OIC       := ../..
+TARGET_ARCH?=x86_64
+OIC_RES   := $(OIC)/resource
+OIC_LIB   := $(OIC)/out/linux/${TARGET_ARCH}/release
+OBJS	  := OICMiddle.o \
+				Client.o \
+				Server.o \
+				WrapResource.o \
+				LineInput.o \
+				RestInput.o
+				
+CXX_FLAGS.debug     := -O0 -g3 -std=c++0x -Wall -pthread
+
+CXX_FLAGS.release   := -O3 -std=c++0x -Wall -pthread
+
+CXX_INC	  := -I$(OIC_RES)/include/
+CXX_INC   += -I$(OIC_RES)/oc_logger/include
+CXX_INC	  += -I$(OIC_RES)/csdk/stack/include
+CXX_INC	  += -I$(OIC_RES)/csdk/ocsocket/include
+CXX_INC	  += -I$(OIC_RES)/csdk/ocrandom/include
+CXX_INC	  += -I$(OIC_RES)/csdk/logger/include
+CXX_INC	  += -I$(OIC_RES)/csdk/libcoap
+CXX_INC   += -I$(OIC_RES)/../extlibs/cereal/include
+
+CXX_LIBS  := -L${OIC_LIB}
+CXX_LIBS  += -loc
+CXX_LIBS  += -loctbstack
+CXX_LIBS  += -loc_logger
+CXX_LIBS  += -loc_logger_core
+CXX_LIBS  += -lcoap
+
+all: prep_dirs OICMiddle
+
+prep_dirs:
+	-mkdir -p $(OUT_DIR)
+	
+OICMiddle: $(OBJS)
+	$(CXX) $(CXX_FLAGS.$(BUILD)) -o $(OUT_DIR)/$@ $(OBJS) $(CXX_LIBS)
+
+OICMiddle.o: OICMiddle.cpp OICMiddle.h
+	$(CXX) -c $(CXX_FLAGS.$(BUILD)) OICMiddle.cpp $(CXX_INC)
+
+Client.o: Client.cpp Client.h OICMiddle.h
+	$(CXX) -c $(CXX_FLAGS.$(BUILD)) Client.cpp $(CXX_INC)
+
+Server.o: Server.cpp Server.h OICMiddle.h
+	$(CXX) -c $(CXX_FLAGS.$(BUILD)) Server.cpp $(CXX_INC)
+
+WrapResource.o: WrapResource.cpp WrapResource.h OICMiddle.h
+	$(CXX) -c $(CXX_FLAGS.$(BUILD)) WrapResource.cpp $(CXX_INC)
+	
+LineInput.o: LineInput.cpp LineInput.h OICMiddle.h
+	$(CXX) -c $(CXX_FLAGS.$(BUILD)) LineInput.cpp $(CXX_INC)
+	
+RestInput.o: RestInput.cpp RestInput.h OICMiddle.h
+	$(CXX) -c $(CXX_FLAGS.$(BUILD)) RestInput.cpp $(CXX_INC)
+	
+clean:
+	rm $(OBJS)
+	rm -rf debug
+	rm -rf release
+