移植前搞清楚linphone依赖库的关系,这个一般是移植工作的关键所在，还有一个关键是目标平台的交叉编译器。

linphone-3.1.0依赖的库如下：

speex(又依赖libogg)

libosip2-3.1.0

libeXosip2-3.1.0

readline(optional)

搭建好交叉编译环境。在/home/cjx 目录下新建目录libs，将下载的源码包解压在该目录下。

find ./ -name '*.tar.gz' -exec tar zxvf {} \;//一次解压所有源文件

cd /home/cjx/libs

cd ncurses-5.7/

./configure --prefix=/install --host=arm-linux --with-gnu-ld --with-shared

make

make install DESTDIR=/home/cjx/source/linphone-arm/build/

cd ..

cd readline-6.1/

./configure --prefix=/install --host=arm-linux --with-gnu-ld --disable-static

make

make install DESTDIR=/home/fzu/source/linphone-arm/build/

cd ..

cd libosip2-3.3.0/

./configure --host=arm-linux --prefix=/install --with-gnu-ld --disable-static

make

make install DESTDIR=/home/cjx/source/linphone-arm/build/

cd ..

cd libogg-1.2.0/

./configure --host=arm-linux --prefix=/install --with-gnu-ld

make

make install DESTDIR=/home/cjx/source/linphone-arm/build/

cd ..

cd speex-1.2rc1/

./configure --prefix=/install --host=arm-linux --with-gnu-ld --disable-static --enable-fixed-point --enable-arm-asm --with-ogg-libraries=/home/cjx/source/linphone-arm/build/install/lib/ --with-ogg-includes=/home/cjx/source/linphone-arm/build/install/include/

make

make install DESTDIR=/home/cjx/source/linphone-arm/build/

cd ..

cd libeXosip2-3.1.0/

./configure OSIP_CFLAGS=-I/home/cjx/source/linphone-arm/build/install/include/ OSIP_LIBS="-L/home/cjx/source/linphone-arm/build/install/lib -losip2 -losipparser2" --prefix=/install --host=arm-linux

cp ../libosip2-3.3.0/src/osipparser2/.libs/libosipparser2.la /home/fzu/source/linphone-arm/build/install/lib/

make

make -k install DESTDIR=/home/fzu/source/linphone-arm/build/

cd ..

cd linphone-3.3.2/

export ARM_INSTALL_TREE=/home/cjx/source/linphone-arm/build/

./configure --host=arm-linux --prefix=/install --with-gnu-ld --disable-static --disable-glib --with-osip=/home/cjx/source/linphone-arm/build/install/ --with-readline=$ARM_INSTALL_TREE/install SPEEX_CFLAGS="-I$ARM_INSTALL_TREE/install/include" SPEEX_LIBS="-L$ARM_INSTALL_TREE/install/lib -lspeex -lspeexdsp" OSIP_CFLAGS="-I$ARM_INSTALL_TREE/install/include" OSIP_LIBS="-L$ARM_INSTALL_TREE/install/lib -losip2 -leXosip2 -losipparser2" --disable-video --disable-gtk_ui

make

make -k install DESTDIR=/home/cjx/source/linphone-arm/build/

若编译时出错时应先检查各输入是不是有误。www.linuxidc.com我曾经在编译linphone时将一个链接库lspeex写成lspeek，出错提示如下：

collect2: ld returned 1 exit status

make[5]: *** [libmediastreamer.la] Error 1

make[5]: Leaving directory `/home/fzu/linux/linphone/libs/linphone-3.3.2/

mediastreamer2/src'

make[4]: *** [all] Error 2

make[4]: Leaving directory `/home/fzu/linux/linphone/libs/linphone-3.3.2/

mediastreamer2/src'

make[3]: *** [all-recursive] Error 1

make[3]: Leaving directory `/home/fzu/linux/linphone/libs/linphone-3.3.2/

mediastreamer2'

make[2]: *** [all] Error 2

make[2]: Leaving directory `/home/fzu/linux/linphone/libs/linphone-3.3.2/

mediastreamer2'

make[1]: *** [all-recursive] Error 1

make[1]: Leaving directory `/home/fzu/linux/linphone/libs/linphone-3.3.2'

make: *** [all] Error 2

结果可想而知，我为了我这次的粗心付出了惨重的代价，花了别人几十倍(好几天)的时间才将这个错误找出。

至于其他可能出现的错误，也许是有些库没安装好(在x86平台上，可能会提示你安装g++(一个c++编译器)、intltool等)，这些根据错误提示可以很轻松的找出原因，解决的方法也很简单，安装提示的库就可以了。还有一个就是在编译libeXosip和linphone时会可能出错，这个不用管它，对我们移植没有影响(在安装时指定-k就是忽略错误，这个可以在configure语法中查到)。如编译libeXosip2-3.1.0时会出现如下错误：

/bin/sed: can't read /install/lib/libosipparser2.la: No such file or directory

libtool: link: `/install/lib/libosipparser2.la' is not a valid libtool archive

make[2]: *** [libeXosip2.la] Error 1

make[2]: Leaving directory `/home/fzu/linux/linphone/libs/libeXosip2-3.1.0/src'

make[1]: *** [all-recursive] Error 1

make[1]: Leaving directory `/home/fzu/linux/linphone/libs/libeXosip2-3.1.0'

make: *** [all] Error 2

另外，./confiugre --prefix=/install ....是以make install 中指定的目录为根目录安装的。在本次编译中，所有编译好的库及可执行文件等都放在/home/cjx/source/linphone-arm/build/install 目录下。

编译完成后，将其下载到开发板上。