Riscv64-buildroot-linux-gnu not supported

Hi.

I was getting the following error while working on

Please help me…

compiler : gcc-6.3.0 and g+±7

root@ubuntu:/risc-v/DIR/freedom-u-sdk/buildroot# make


checking for struct tms… yes
checking for clock_t… yes
checking for F_SETLKW… yes
checking if mkdir takes one argument… no
*** Configuration riscv64-buildroot-linux-gnu not supported
Makefile:4062: recipe for target ‘configure-gcc’ failed
make[2]: *** [configure-gcc] Error 1
make[2]: Leaving directory '/risc-v/DIR/freedom-u-sdk/buildroot/output/build/host-gcc-final-6.1.0/build’
Makefile:858: recipe for target ‘all’ failed
make[1]: *** [all] Error 2
make[1]: Leaving directory '/risc-v/DIR/freedom-u-sdk/buildroot/output/build/host-gcc-final-6.1.0/build’
package/pkg-generic.mk:195: recipe for target ‘/risc-v/DIR/freedom-u-sdk/buildroot/output/build/host-gcc-final-6.1.0/.stamp_built’ failed
make: *** [/risc-v/DIR/freedom-u-sdk/buildroot/output/build/host-gcc-final-6.1.0/.stamp_built] Error 2