sys-fs/dwarfs: Prevent ccache use unless FEATURES=ccache

We never want the build system to enforce the use of ccache

Signed-off-by: YiFei Zhu <zhuyifei1999@gmail.com>

sys-fs/dwarfs/dwarfs-0.7.4-r1.ebuild

@@ -91,6 +91,7 @@ src_configure(){
 		-DPREFER_SYSTEM_GTEST=ON
 		-DPREFER_SYSTEM_LIBFMT=ON
 		-DWITH_LEGACY_FUSE=OFF
+		-DDISABLE_CCACHE=ON  # Use FEATURES=ccache
 	)
 	use python && mycmakeargs+=( "-DWITH_PYTHON_VERSION=${EPYTHON#python}" )
 	cmake_src_configure