[dpdk-dev] [PATCH] mk: remove module compilation noise

[Thomas Monjalon]

2016-09-08 13:33, Ferruh Yigit:
> Following log generated by Linux kernel Makefiles:
> (cat /dev/null;   echo
> kernel/.../build/lib/librte_eal/linuxapp/igb_uio/igb_uio.ko;) >
> .../build/lib/librte_eal/linuxapp/igb_uio/modules.order
> 
> This happens because $(Q) used for both Linux and DPDK makefiles and
> DPDK unsets this variable when V=0, which makes Linux verbose.
> 
> More details:
> rte.modules calls kernel makefile with V=0 argument
> kernel makefile includes igb_uio/Makefile, which includes rte.vars.mk
> rte.vars.mk unsets Q when V=0

Yes good analysis.
Another consequence is that V=0 is equivalent to V=1 (verbose mode).
I think it is better to fix the latter issue. I'll send a patch.