fails to build 4.x
Tried building 4.x which however fails - run in debug mode (-x) and that is the tail end of the log
make[4]: *** [Makefile:579: scripts] Error 2
Removing child 0x56223d073370 PID 16016 from chain.
make[4]: Leaving directory '/srv/compiled/tos/4/build_dir/target-arm_cortex-a9+vfpv3_musl_eabi/linux-mvebu_cortexa9/linux-4.14.137'
Reaping losing child 0x562cd368f3e0 PID 14715
make[3]: *** [Makefile:22: /srv/compiled/tos/4/build_dir/target-arm_cortex-a9+vfpv3_musl_eabi/linux-mvebu_cortexa9/linux-4.14.137/.modules] Error 2
Removing child 0x562cd368f3e0 PID 14715 from chain.
make[3]: Leaving directory '/srv/compiled/tos/4/target/linux/mvebu'
Reaping losing child 0x5585a94e6920 PID 9658
make[2]: *** [Makefile:13: compile] Error 2
Removing child 0x5585a94e6920 PID 9658 from chain.
make[2]: Leaving directory '/srv/compiled/tos/4/target/linux'
time: target/linux/compile#35.01#25 (closed).67#45 (closed).99
Reaping losing child 0x55cd40eb8650 PID 9650
make[1]: *** [target/Makefile:25: target/linux/compile] Error 2
Removing child 0x55cd40eb8650 PID 9650 from chain.
make[1]: Leaving directory '/srv/compiled/tos/4'
Reaping losing child 0x55f5ad74e7d0 PID 9624
make: *** [/srv/compiled/tos/4/include/toplevel.mk:218: target/compile] Error 2
Removing child 0x55f5ad74e7d0 PID 9624 from chain.
Since the verbosity is not very specific of what goes wrong I could only speculate whether one of the reported issues #79 (closed) | #78 (closed) | #77 (closed) could be the cause.
the make log compile.txt