Performing C SOURCE FILE Test CC_SUPPORTS_IMPLICIT_FALLTHROUGH failed with the following output:
Change Dir: /srv/storage/autobuild/run/instance-2/output-1/build/timescaledb-2.0.0/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_62757/fast && make[1]: Entering directory '/srv/storage/autobuild/run/instance-2/output-1/build/timescaledb-2.0.0/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_62757.dir/build.make CMakeFiles/cmTC_62757.dir/build
make[2]: Entering directory '/srv/storage/autobuild/run/instance-2/output-1/build/timescaledb-2.0.0/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_62757.dir/src.c.o
/srv/storage/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/srv/storage/autobuild/run/instance-2/output-1/host/arm-buildroot-linux-gnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -DCC_SUPPORTS_IMPLICIT_FALLTHROUGH  -DDEBUG=1 -DTS_DEBUG=1   -Wimplicit-fallthrough -o CMakeFiles/cmTC_62757.dir/src.c.o   -c /srv/storage/autobuild/run/instance-2/output-1/build/timescaledb-2.0.0/CMakeFiles/CMakeTmp/src.c
arm-none-linux-gnueabi-gcc: error: unrecognized command line option '-Wimplicit-fallthrough'
make[2]: *** [CMakeFiles/cmTC_62757.dir/build.make:66: CMakeFiles/cmTC_62757.dir/src.c.o] Error 1
make[2]: Leaving directory '/srv/storage/autobuild/run/instance-2/output-1/build/timescaledb-2.0.0/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_62757/fast] Error 2
make[1]: Leaving directory '/srv/storage/autobuild/run/instance-2/output-1/build/timescaledb-2.0.0/CMakeFiles/CMakeTmp'


Source file was:
int main(void) { return 0; }