[Users] a compile problem with linphone1.6 and 1.7

[Lee Jacky]

Hi,everone.
now I am using openser1.1 and linphone1.6 and 1.7
version,  after I configure linphone: ./configure
--disable-strict, it displays :Now type 'make' to
compile, and then 'make install' as root to install
it.
but when I execute make command, I get the errors as
follows:

gcc -DENABLE_TRACE -D_ORTP_SOURCE -g -O2 -o
.libs/linphonec linphonec.o commands.o 
../coreapi/.libs/liblinphone.so -lreadline -lncurses
-Wl,--rpath -Wl,/usr/local/linphone/lib
/root/linphone-1.6.0/mediastreamer2/src/.libs/libmediastreamer.so.0:
undefined reference to `av_crc04C11DB7'
/root/linphone-1.6.0/mediastreamer2/src/.libs/libmediastreamer.so.0:
undefined reference to `av_realloc'
/root/linphone-1.6.0/mediastreamer2/src/.libs/libmediastreamer.so.0:
undefined reference to `av_log'
/root/linphone-1.6.0/mediastreamer2/src/.libs/libmediastreamer.so.0:
undefined reference to `ff_sqrt_tab'
/root/linphone-1.6.0/mediastreamer2/src/.libs/libmediastreamer.so.0:
undefined reference to `lzo1x_decode'
/root/linphone-1.6.0/mediastreamer2/src/.libs/libmediastreamer.so.0:
undefined reference to `av_d2q'
/root/linphone-1.6.0/mediastreamer2/src/.libs/libmediastreamer.so.0:
undefined reference to
`av_random_generate_untempered_numbers'
/root/linphone-1.6.0/mediastreamer2/src/.libs/libmediastreamer.so.0:
undefined reference to `av_init_lls'

I have serached a lot of materials, but they seems to
be no help to solve this problem. Now I have no idea. 
And another question is :
How to enable IPv6 from the settings?

Any advice from you will be appreciated.


                                    Jacky


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