Compiling two c++ standards at once ?

Makefile

CPP=g++
SRC=main.03.cc toto.11.cc
BIN=foo
OBJ=$(SRC:.cc=.o)

LDFLAGS=
CXXFLAGS=-O0 -g


all:$(BIN)

$(BIN):$(OBJ)
	$(CPP) -o $(BIN) $(LDFLAGS) $(OBJ)

.SUFFIXES:
.SUFFIXES: .11.o .03.o .11.cc .03.cc

.03.cc.03.o:
	$(CPP) -o $@ $(CXXFLAGS) -c $<

.11.cc.11.o:
	$(CPP) -o $@ $(CFXXLAGS) -std=c++11 -c $<

depends:
	head -n `grep -n "^#depends#" Makefile | cut -d: -f 1` Makefile >\
Makefile.tmp
	$(CPP) -MM $(SRC) >> Makefile.tmp
	mv Makefile.tmp Makefile

clean:distclean

distclean:
	rm -rf *.o *~


# generated do not edit under this line #
#depends#
main.03.o: main.03.cc toto.h
toto.11.o: toto.11.cc toto.h