@rolandbird
Thank you for your answer, that worked to start the build again.
Unfortunately i still cant get past the building of QT5.
it stops everytime with the following error:
Done. Made 5310 targets from 1110 files in 18180ms
/home/appiekap653/plex-LibreELEC.tv/build.PlexMediaPlayer-RPi2.arm-8.2.2/qt5-5.9/qtwebengine/src/3rdparty/ninja/ninja -C /home/appiekap653/plex-LibreELEC.tv/build.PlexMediaPlayer-RPi2.arm-8.2.2/qt5-5.9/qtwebengine/src/core/Release QtWebEngineCore
ninja: Entering directory `/home/appiekap653/plex-LibreELEC.tv/build.PlexMediaPlayer-RPi2.arm-8.2.2/qt5-5.9/qtwebengine/src/core/Release’
[80/5869] CXX obj/content/common/common/content_message_generator.o
FAILED: obj/content/common/common/content_message_generator.o
n/common/content_message_generator.o
{standard input}: Assembler messages:
{standard input}:432194: Warning: end of file not at end of a line; newline inserted
{standard input}:432321: Error: unknown .loc sub-directive `discriminat’
{standard input}: Error: open CFI at the end of file; missing .cfi_endproc directive
{standard input}:432320: Error: branch out of range
armv7ve-libreelec-linux-gnueabi-g+±6.2.0: internal compiler error: Killed (program cc1plus)
i added the keys as described.