version 1.2.4

unix like operating system on riscv.

VI, SHELL AND CC AND AS WORKS. ALSO NEO-C CPP LD.

sh fast_build.sh

1.2.4 worked on almost all linux distribution. and mac os. 1.2.3 cpp works. 1.2.2 system 1.2.1 more stable cc 1.2.0 more stable cc 1.1.0 more stable cc and as