build the adt error

When I use the bitbake meta-toolchain-sdk,it comes the error: Failed dependencies:
| libcurl.so.4 is needed by qemu-nativesdk-0.15.1-r4.i686.
PS:I have checked the libcurl.so.4 in /usr/lib/i386-linux-gnu.
How can I fix it? Thank you~