Use dev-util/ccache to build keepassxc

Packages describing “ccache” as local USE flag

Package “ccache” Flag Description
app-admin/keepassxc Use dev-util/ccache to build keepassxc
media-gfx/freecad Use dev-util/ccache to build the package.
media-gfx/openscad Use dev-util/ccache to speed up rebuilds
dev-lang/swig build ccache-swig(a fast compiler cache)
dev-util/catalyst Enables ccache support

All packages providing a “ccache” USE flag (5)