keshav yadav <keshav.yadav2005@xxxxxxxxx> writes: > we have our legacy system which is build with Glibc. we want to add > new feature from android. Since android use Bionic in place of Glibc. > Is it possible to make single cross toolchain with multiple lib > support, and using option > application can select Glibc or Bionic. It is possible, yes, though I'm sure it will require a lot of fiddling. From gcc's perspective the main thing you need to investigate is multilib; see http://gcc.gnu.org/onlinedocs/gccint/Target-Fragment.html . Ian