[Makefile:2099: build/obj/src/mainwindow.o] Error 1 on Raspberry Pi

[jmcerrejon]

OS: Raspberry Pi OS 32 bits Buster latest

Followed the README and get the next issue:

src/mainwindow.cpp: In member function ‘void MainWindow::maybeShowMessageBar()’:
src/mainwindow.cpp:1550:10: warning: unused variable ‘showMessages’ [-Wunused-variable]
     bool showMessages = settings.contains("geometry");
          ^~~~~~~~~~~~
g++ -c -pipe -O3 -fno-exceptions -Wall -W -D_REENTRANT -fPIC -DAPP_VERSION=1.9 -DAPP_NAME=Musique -DAPP_UNIX_NAME=musique -DQT_NO_DEBUG_OUTPUT -DQT_USE_QSTRINGBUILDER -DQT_STRICT_ITERATORS -DQT_DEPRECATED_WARNINGS -DHTTP -DMEDIA_MPV -DMEDIA_AUDIOONLY -DAPP_LINUX -DDATADIR=\"/usr/local/share\" -DPKGDATADIR=\"/usr/local/share/musique\" -DUPDATER -DUPDATER_DEFAULT -DQT_NO_EXCEPTIONS -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_SQL_LIB -DQT_DBUS_LIB -DQT_CORE_LIB -I. -Ilib/http/src -Ilib/idle/src -Ilib/media/src -Ilib/media/src/mpv -Isrc/qtsingleapplication -Isrc/tags -Ilocale -isystem /usr/include/taglib -Ilib/updater/src -Ilib/updater/src/impl -isystem /usr/include/arm-linux-gnueabihf/qt5 -isystem /usr/include/arm-linux-gnueabihf/qt5/QtWidgets -isystem /usr/include/arm-linux-gnueabihf/qt5/QtGui -isystem /usr/include/arm-linux-gnueabihf/qt5/QtNetwork -isystem /usr/include/arm-linux-gnueabihf/qt5/QtSql -isystem /usr/include/arm-linux-gnueabihf/qt5/QtDBus -isystem /usr/include/arm-linux-gnueabihf/qt5/QtCore -Ibuild/moc -I/usr/lib/arm-linux-gnueabihf/qt5/mkspecs/linux-g++ -o build/obj/src/searchlineedit.o src/searchlineedit.cpp
make: *** [Makefile:2099: build/obj/src/mainwindow.o] Error 1
make: *** Waiting for unfinished jobs....

🤷‍♂️