[ 44%] Building C object CMakeFiles/fstools.dir/libfstools/mtd.c.o
{standard input}: Assembler messages:
{standard input}:1137: Error: unrecognized opcode `wsbh*
{standard input}:1138: Error: unrecognized opcode `rotr*
{standard input}:1181: Error: unrecognized opcode `wsbh*
make[6]: *** [CMakeFiles/fstools.dir/libfstools/mtd.c.o] Error 1
make[6]: Leaving directory `/home/love4taylor/openwrt/trunk/build_dir/target-mipsel_74kc+dsp2_uClibc-0.9.33.2/fstools-2014-06-22*
make[5]: *** [CMakeFiles/fstools.dir/all] Error 2
make[5]: Leaving directory `/home/love4taylor/openwrt/trunk/build_dir/target-mipsel_74kc+dsp2_uClibc-0.9.33.2/fstools-2014-06-22*
make[4]: *** [all] Error 2
make[4]: Leaving directory `/home/love4taylor/openwrt/trunk/build_dir/target-mipsel_74kc+dsp2_uClibc-0.9.33.2/fstools-2014-06-22*
make[3]: *** [/home/love4taylor/openwrt/trunk/build_dir/target-mipsel_74kc+dsp2_uClibc-0.9.33.2/fstools-2014-06-22/.built] Error 2
make[3]: Leaving directory `/home/love4taylor/openwrt/trunk/package/system/fstools*
make[2]: *** [package/system/fstools/compile] Error 2
make[2]: Leaving directory `/home/love4taylor/openwrt/trunk*
make[1]: *** [/home/love4taylor/openwrt/trunk/staging_dir/target-mipsel_74kc+dsp2_uClibc-0.9.33.2/stamp/.package_compile] Error 2
make[1]: Leaving directory `/home/love4taylor/openwrt/trunk*
make: *** [world] 错误 2

你用的是Ubuntu12.04吗？貌似需要换个低版本的！不知道 你后来解决没有？