some refactoring and logging for cpu_count

installation/routines/setup_jukebox_core.sh

@@ -54,23 +54,24 @@ _jukebox_core_configure_pulseaudio() {
 _jukebox_core_build_libzmq_with_drafts() {
   echo "  Building libzmq with drafts support" | tee /dev/fd/3
 
+  local cpu_count=${CPU_COUNT:-$(python3 -c "import os; print(os.cpu_count())")}
+  echo "---- use cpu count: '${cpu_count}'"
   LIBSODIUM_VERSION="1.0.18"
-  echo "    Building libsodium v${LIBSODIUM_VERSION}" | tee /dev/fd/3
-
-  local cpu_count=$(python3 -c "import os; print(os.cpu_count())")
 
+  echo "    Building libsodium v${LIBSODIUM_VERSION}" | tee /dev/fd/3
   cd "${ZMQ_TMP_DIR}" || exit_on_error
-  wget --quiet https://github.com/jedisct1/libsodium/releases/download/${LIBSODIUM_VERSION}-RELEASE/libsodium-${LIBSODIUM_VERSION}.tar.gz
-  tar -zxvf libsodium-${LIBSODIUM_VERSION}.tar.gz
+  wget --quiet https://download.libsodium.org/libsodium/releases/libsodium-${LIBSODIUM_VERSION}.tar.gz
+  tar -zxf libsodium-${LIBSODIUM_VERSION}.tar.gz
   cd libsodium-${LIBSODIUM_VERSION} || exit_on_error
   ./configure --prefix=${ZMQ_TMP_DIR}
   make -j${cpu_count} && make install
 
   echo " Building libzmq v${ZMQ_VERSION}" | tee /dev/fd/3
   cd "${ZMQ_TMP_DIR}" || exit_on_error
-  wget https://github.com/zeromq/libzmq/releases/download/v${ZMQ_VERSION}/zeromq-${ZMQ_VERSION}.tar.gz -O libzmq.tar.gz
-  tar -xzf libzmq.tar.gz
-  ./zeromq-${ZMQ_VERSION}/configure --prefix=${ZMQ_TMP_DIR} --enable-drafts --with-libsodium
+  wget --quiet https://github.com/zeromq/libzmq/releases/download/v${ZMQ_VERSION}/zeromq-${ZMQ_VERSION}.tar.gz
+  tar -xzf zeromq-${ZMQ_VERSION}.tar.gz
+  cd zeromq-${ZMQ_VERSION} || exit_on_error
+  ./configure --prefix=${ZMQ_TMP_DIR} --enable-drafts --with-libsodium
   make -j${cpu_count} && make install
 }
 
@@ -95,8 +96,6 @@ _jukebox_core_build_and_install_pyzmq() {
   echo "  Install pyzmq with libzmq-drafts to support WebSockets" | tee /dev/fd/3
 
   if ! pip list | grep -F pyzmq >> /dev/null; then
-    # Download pre-compiled libzmq from Google Drive because RPi has trouble compiling it
-    echo "    Download pre-compiled libzmq from Google Drive because RPi has trouble compiling it"
 
     # ARMv7 as default
     LIBZMQ_GD_DOWNLOAD_ID=${GD_ID_COMPILED_LIBZMQ_ARMV7}