errors installing mod_bcg729 in raspi2

errors when do a make  for install mod_bcg729 in raspberry pi 2   how I can fix this to install without errors ?


gcc  -fPIC -O3 -fomit-frame-pointer -fno-exceptions -Wall -std=c99 -pedantic -m32 -march=i686 -I/usr/include -Ibcg729/include -I/usr/local/freeswitch/include -c mod_bcg729.c
gcc: error: unrecognized command line option ‘-m32’
gcc: error: unrecognized argument in option ‘-march=i686’
gcc: note: valid arguments to ‘-march=’ are: armv2 armv2a armv3 armv3m armv4 armv4t armv5 armv5e armv5t armv5te armv6 armv6-m armv6j armv6k armv6s-m armv6t2 armv6z armv6zk armv7 armv7-a armv7-m armv7-r armv7e-m ep9312 iwmmxt iwmmxt2 native
Makefile:25: recipe for target 'mod_bcg729.o' failed
make: *** [mod_bcg729.o] Error 1
root@raspberrypi:/usr/src/freeswitch/src/mod/codecs/mod_bcg729#


this is the Makefile content

################################
### FreeSwitch headers files ###
FS_INCLUDES=/usr/local/freeswitch/include
FS_MODULES=/usr/local/freeswitch/mod
################################

### END OF CUSTOMIZATION ###
PROC?=$(shell uname -m)

CC=gcc
CFLAGS=-fPIC -O3 -fomit-frame-pointer -fno-exceptions -Wall -std=c99 -pedantic
ifeq (${PROC},x86_64)
        CFLAGS+=-m64 -mtune=generic
else
        CFLAGS+=-m32 -march=i686
endif

INCLUDES=-I/usr/include -Ibcg729/include -I$(FS_INCLUDES)
LDFLAGS=-lm -Wl,-static -Lbcg729/src/.libs -lbcg729 -Wl,-Bdynamic

all : mod_bcg729.o
        $(CC) $(CFLAGS) $(INCLUDES) -shared -Xlinker -x -o mod_bcg729.so mod_bcg729.o $(LDFLAGS)

mod_bcg729.o: bcg729 mod_bcg729.c
        $(CC) $(CFLAGS) $(INCLUDES) -c mod_bcg729.c

clone_bcg729:
        if [ ! -d bcg729 ]; then \
                git clone git://git.linphone.org/bcg729.git; \
        fi

bcg729: clone_bcg729
        cd bcg729 && sh autogen.sh && CFLAGS=-fPIC ./configure && make && cd ..

clean:
        rm -f *.o *.so *.a *.la; cd bcg729 && make clean; cd ..

distclean: clean
        rm -fR bcg729

install: all
        /usr/bin/install -c mod_bcg729.so $(INSTALL_PREFIX)/$(FS_MODULES)/mod_bcg729.so