Use dynamic number of cores (#685)

Co-authored-by: Ngasgallo <rgall@sertiscorp.com>

tools/cmake/cmake-build-aarch64-linux-gnu.sh

@@ -32,5 +32,5 @@ cmake -DCROSSTOOL_ROOT=${LINARO_AARCH64_LINUX_GNU} \
       -DMACE_ENABLE_CODE_MODE=${MACE_ENABLE_CODE_MODE}       \
       -DCMAKE_INSTALL_PREFIX=install      \
       ../../..
-make -j6 VERBOSE=1 && make install
+make -j$(nproc) VERBOSE=1 && make install
 cd ../../..

tools/cmake/cmake-build-arm-linux-gnueabihf.sh

@@ -32,5 +32,5 @@ cmake -DCROSSTOOL_ROOT=${LINARO_ARM_LINUX_GNUEABIHF} \
       -DMACE_ENABLE_CODE_MODE=${MACE_ENABLE_CODE_MODE}        \
       -DCMAKE_INSTALL_PREFIX=install      \
       ../../..
-make -j6 VERBOSE=1 && make install
+make -j$(nproc) VERBOSE=1 && make install
 cd ../../..

tools/cmake/cmake-build-arm64-v8a.sh

@@ -47,5 +47,5 @@ cmake -DANDROID_ABI="arm64-v8a" \
       -DMACE_ENABLE_RPCMEM=ON                                 \
       -DCMAKE_INSTALL_PREFIX=install      \
       ../../..
-make -j6 VERBOSE=1 && make install
+make -j$(nproc) VERBOSE=1 && make install
 cd ../../..

tools/cmake/cmake-build-armeabi-v7a.sh

@@ -49,5 +49,5 @@ cmake -DANDROID_ABI="armeabi-v7a" \
       -DMACE_ENABLE_RPCMEM=ON                                \
       -DCMAKE_INSTALL_PREFIX=install                         \
       ../../..
-make -j6 VERBOSE=1 && make install
+make -j$(nproc) VERBOSE=1 && make install
 cd ../../..

tools/cmake/cmake-build-host.sh

@@ -24,5 +24,5 @@ cmake -DMACE_ENABLE_NEON=OFF         \
       -DMACE_ENABLE_CODE_MODE=${MACE_ENABLE_CODE_MODE}    \
       -DCMAKE_INSTALL_PREFIX=install \
       ../../..
-make -j6 VERBOSE=1 && make install
+make -j$(nproc) VERBOSE=1 && make install
 cd ../../..