retroarch-1.6.7 compile fails with missing -lpthread dep

[eugenecormier]

not sure what package would provide this lib, but I solved this by turning off the -armvfp useflag

[stefantalpalaru]

"config.log" for retroarch-1.7.3:

/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lsystemd
collect2: error: ld returned 1 exit status
/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lvcos
/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lvchiq_arm
/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lbcm_host
collect2: error: ld returned 1 exit status
x86_64-pc-linux-gnu-gcc: error: unrecognized command-line option ‘-mfloat-abi=hard’
x86_64-pc-linux-gnu-gcc: error: unrecognized command-line option ‘-mfloat-abi=hard’