编译MPlayer：
1.先去配置必须的一些参数：
./configure –prefix=/usr –confdir=/etc –target=arm-linux –host-cc=/usr/bin/gcc –cc=/mnt/buildroot/buildroot/build_arm/staging_dir/usr/bin/arm-linux-uclibc-gcc –as=/mnt/buildroot/buildroot/build_arm/staging_dir/usr/bin/arm-linux-uclibc-as –with-extraincdir=/mnt/buildroot/buildroot/build_arm/staging_dir/usr/include –with-extralibdir=/mnt/buildroot/buildroot/build_arm/staging_dir/lib –enable-mad –enable-fbdev –disable-big-endian –disable-mpdvdkit –disable-tv –enable-dynamic-plugins –disable-armv5te
最近发现，对于MPlayer-1.0rc2，上面配置以前是可以用的，但是现在却不能用了，显示–disable-mpdvdkit不支持。所以，去掉–disable-mpdvdkit，就可以了：
./configure –prefix=/usr –confdir=/etc –target=arm-linux –host-cc=/usr/bin/gcc –cc=/mnt/buildroot/buildroot/build_arm/staging_dir/usr/bin/arm-linux-uclibc-gcc –as=/mnt/buildroot/buildroot/build_arm/staging_dir/usr/bin/arm-linux-uclibc-as –with-extraincdir=/mnt/buildroot/buildroot/build_arm/staging_dir/usr/include –with-extralibdir=/mnt/buildroot/buildroot/build_arm/staging_dir/lib –enable-mad –enable-fbdev –disable-big-endian –disable-tv –enable-dynamic-plugins –disable-armv5te
最新的，交叉编译器路径改了之后的：
./configure –prefix=/usr –confdir=/etc –target=arm-linux –host-cc=/usr/bin/gcc –cc=/root/buildroot/buildroot/build_arm/staging_dir/usr/bin/arm-linux-uclibc-gcc –as=/root/buildroot/buildroot/build_arm/staging_dir/usr/bin/arm-linux-uclibc-as –with-extraincdir=/root/buildroot/buildroot/build_arm/staging_dir/usr/include –with-extralibdir=/root/buildroot/buildroot/build_arm/staging_dir/lib –enable-mad –enable-fbdev –disable-big-endian –disable-tv –enable-dynamic-plugins –disable-armv5te
其中，gcc等路径，要改成你当前的交叉编译所在具体路径。
2.直接make即可。
附录：
when you got : MPlayer interrupted by signal 4 in module: decode_video while running mplayer
| Q: | MPlayer dies with MPlayer interrupted by signal 4 in module: decode_video |
| A: | Don’t use MPlayer on a CPU different from the one it was compiled on or recompile with runtime CPU detection (./configure –enable-runtime-cpudetection). |
in my case ,when I compile the mplayer for armv4 ,then I only pass the –disable-armv5
to ./configure ,but it still has a optin is
–enable-armv6 enable ARMv6 (ARM) [autodetect]
when I not desinate it .It auto enable the armv6 ,so cannot run the mplayer in armv4 .
so pass –disable-armv6 to ./configure then re-make it .
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