build failed

[lxj5891]

arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/poll.c:124: undefined reference to `_assert'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj): in function `uv__fs_futime':
/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:244: undefined reference to `__errno'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj): in function `uv__fs_open':
/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:260: undefined reference to `__errno'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj): in function `uv__fs_buf_iter':
/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:683: undefined reference to `__errno'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj): in function `uv__fs_work':
/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:705: undefined reference to `__errno'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:734: undefined reference to `__errno'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj):/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:737: more undefined references to `__errno' follow
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj): in function `uv__fs_done':
/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:753: undefined reference to `_assert'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:756: undefined reference to `_assert'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj): in function `uv_fs_mkdir':
/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:824: undefined reference to `_assert'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:824: undefined reference to `_assert'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj): in function `uv_fs_open':
/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:837: undefined reference to `_assert'
arm-none-eabi-ld: /home/antony/code/iotjs-nuttx/nuttx/staging/libapps.a(fs.c.obj):/home/antony/code/iotjs-nuttx/iotjs/deps/libtuv/src/unix/fs.c:837: more undefined references to `_assert' follow
make[1]: *** [Makefile:207: nuttx] Error 1
make[1]: Leaving directory '/home/antony/code/iotjs-nuttx/nuttx/arch/arm/src'
make: *** [tools/Makefile.unix:422: pass2] Error 2