[kaffe] solaris/sparc link failure

[Riccardo]

Hey,

some of the new code must use some function unavailable under solaris.

-R

 ../../libltdl/.libs/libltdlc.a -ldl -lposix4 -R/usr/local/kaffe/jre/lib/
sparc
Undefined                       first referenced
 symbol                             in file
pthread_yield                       ../kaffevm/.libs/libkaffevm.so
ld: fatal: Symbol referencing errors. No output written to .libs/kaffe-
bin
collect2: ld returned 1 exit status
make[3]: *** [kaffe-bin] Error 1