OpenCV-4's buildsystem will try to detect ccache and use it if
available. This may yield a system-installed ccache.
However, in Buildroot, ccache is entirely hidden away and handled in the
toolchain wrapper.
Forcibly disable detection of ccache.
Commit 505e7f4771 already applied this
change to opencv3.
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2def1ccccb