Thumb-interwork support by newlib

[Joel Brenner]

Hi, I'm using GCC-2.95.3 for arm-elf target with newlib-1.9.0. The
toolchain works fine, but libc, libm and libg, generated by newlib, do
not supports thumb-interworking. How can I force newlib to generate
libraries with interwork support?
Tanks, Brenner Joel