why openwrt use "V=s" in command line

Question

Which is discribed in the openwrt wiki

To build the OpenWRT tarball

cd attitude_adjustment
make V=s

http://wiki.openwrt.org/doc/howto/easy.build

Answer 1

It appears that the V=s option is meant to provide more verbose information for troubleshooting purposes when building the OpenWRT firmware. From the more detailed build instructions given in HOWTO: OpenWrt Buildroot – Usage:

Troubleshooting

First get more information on the problem using the make option "make V=s".