try to add query_classifier under skygteway

query_classifier/makefile

@@ -0,0 +1,43 @@
+include ../build_gateway.inc
+include ../makefile.inc
+
+CC = gcc
+CPP = g++
+
+QUERY_CLASSIFIER_PATH := $(shell pwd)
+
+makeall: clean all
+
+clean:
+	- $(DEL) query_classifier.o 
+	- $(DEL) libquery_classifier.so
+	- $(DEL) libquery_classifier.so.1.0.1 
+	- $(DEL) skygw_utils.o
+	- $(DEL) *~
+
+all: utils lib
+
+utils:
+	make -C $(ROOT_PATH)/utils clean all
+	$(COPY) $(ROOT_PATH)/utils/skygw_utils.o ./
+
+lib: libcomp liblink
+
+libcomp: 
+	$(CPP) -c $(CFLAGS) \
+	-I$(MARIADB_SRC_PATH)/libmysqld/ \
+	-I$(MARIADB_SRC_PATH)/include/ \
+	-I$(MARIADB_SRC_PATH)/sql \
+	-I$(MARIADB_SRC_PATH)/regex/ \
+	-I./ \
+	-fPIC ./query_classifier.cc -o query_classifier.o
+
+liblink:
+	 $(CPP) -shared \
+	-L$(MARIADB_SRC_PATH)/libmysqld \
+	-Wl,-soname,libquery_classifier.so \
+	-Wl,-rpath,$(MARIADB_SRC_PATH)/libmysqld \
+	-o libquery_classifier.so.1.0.1 ./query_classifier.o \
+	$(LDLIBS) $(CPP_LDLIBS)
+	$(DEL) ./libquery_classifier.so
+	$(LINK) ./libquery_classifier.so.1.0.1 ./libquery_classifier.so