gitlab CI: add a basic build test

Forces 32-bit build since it fails to build 64-bit

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
6 jobs for CI in 55 seconds (queued for 1 second)
latest
Name Stage Failure
failed
build Build
checking how to print strings... printf
checking whether make supports the include directive... yes (GNU style)
checking for gcc... gcc
checking whether the C compiler works... no
configure: error: in `/builds/alanc/xf86-video-geode/_builddir':
configure: error: C compiler cannot create executables
See `config.log' for more details
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1