nproc is not available every, was added to Busybox recently.
All-in-one build is not used anymore because it is valuable
(for the developer) only if many rebuilds will not be needed.
Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
mkdir -p "$cwd/../fastdev"
cd "$cwd/../fastdev"
-cmake ../ -DCMAKE_BUILD_TYPE=FastDev -DKATIE_ALLINONE=ON -DCMAKE_INSTALL_PREFIX=/usr $@
-make -j$(nproc)
+cmake ../ -DCMAKE_BUILD_TYPE=FastDev -DCMAKE_INSTALL_PREFIX=/usr $@
+make -j$(nproc || echo 1)