add rule for clean (#4364)
authormiheer vaidya <v.miheer@gmail.com>
Tue, 19 Nov 2019 04:03:53 +0000 (21:03 -0700)
committerTianqi Chen <tqchen@users.noreply.github.com>
Tue, 19 Nov 2019 04:03:53 +0000 (20:03 -0800)
commitf1d6f3354e01f43e54b5b0ea93f3e65f39398b40
tree44ace4f278b5f2c05ba832a4cb92a9d3ac77e2c7
parent7efb72e6e8562a586f8551330d2bd79f946c34ab
add rule for clean (#4364)

* add rule for clean

* Update clean rule

Seems like lib/ directory is not made by the makefile
So don't delete directory, just the contents of it.
apps/howto_deploy/Makefile