Currently for CMake-based ports build-webkit --clean will both clean the build directory and build WebKit. Instead, the --clean argument should only clean the build directory as per its description in the usage message of build-webkit.
Created attachment 112371 [details] Patch
Comment on attachment 112371 [details] Patch LGTM.
Comment on attachment 112371 [details] Patch <tonikitoo> acidx, leandro would you mind? https://bugs.webkit.org/show_bug.cgi?id=70834 (...) <acidx> tonikitoo: LGTM.
Committed r98377: <http://trac.webkit.org/changeset/98377>