Build against an older version of Ubuntu to attempt to increase native code backwards compatibility

[empathicqubit]

Seems not to break anything. I tested this against my system running 20.04 (focal) and tried to run "Quantum Disco Brothers" by wAMMA and it seems to work correctly still.

libc version report:

> objdump -T ~/Downloads/libMesenCore-bionic.dll | grep -i libc | awk -F'\t' '{ print $2 }' | awk -F' ' '{ print $2 }' | sort | uniq
GLIBC_2.14
GLIBC_2.2.5
GLIBC_2.27
GLIBC_2.3
GLIBC_2.3.2
GLIBCXX_3.4
GLIBCXX_3.4.11
GLIBCXX_3.4.14
GLIBCXX_3.4.15
GLIBCXX_3.4.18
GLIBCXX_3.4.19
GLIBCXX_3.4.20
GLIBCXX_3.4.21
GLIBCXX_3.4.22
GLIBCXX_3.4.26
GLIBCXX_3.4.9
empathicqubit@sager-laptop:~/Mesen-X [ git: = ] 
> objdump -T ~/Downloads/libMesenCore.dll | grep -i libc | awk -F'\t' '{ print $2 }' | awk -F' ' '{ print $2 }' | sort | uniq
GLIBC_2.14
GLIBC_2.2.5
GLIBC_2.27
GLIBC_2.29
GLIBC_2.3
GLIBC_2.3.2
GLIBCXX_3.4
GLIBCXX_3.4.11
GLIBCXX_3.4.14
GLIBCXX_3.4.15
GLIBCXX_3.4.18
GLIBCXX_3.4.19
GLIBCXX_3.4.20
GLIBCXX_3.4.21
GLIBCXX_3.4.22
GLIBCXX_3.4.26
GLIBCXX_3.4.9
empathicqubit@sager-laptop:~/Mesen-X [ git: = ] 
> objdump -T ~/Downloads/libMesenCore.dll | grep -i libc | awk -F'\t' '{ print $2 }' | awk -F' ' '{ print $2 $3 }' | sort | uniq | grep 2.29
GLIBC_2.29exp
GLIBC_2.29log
GLIBC_2.29log2
GLIBC_2.29pow
empathicqubit@sager-laptop:~/Mesen-X [ git: = ] 
> objdump -T ~/Downloads/libMesenCore-bionic.dll | grep -i libc | awk -F'\t' '{ print $2 }' | awk -F' ' '{ print $2 $3 }' | sort | uniq | grep 'exp\|log\|pow'
GLIBC_2.2.5exp
GLIBC_2.2.5frexp
GLIBC_2.2.5ldexp
GLIBC_2.2.5ldexpf
GLIBC_2.2.5log
GLIBC_2.2.5log10
GLIBC_2.2.5log2
GLIBC_2.2.5pow
GLIBC_2.27expf
GLIBC_2.27logf
GLIBC_2.27powf
GLIBCXX_3.4_ZSt19__throw_logic_errorPKc
empathicqubit@sager-laptop:~/Mesen-X [ git: = ] 
> 

https://www.phoronix.com/scan.php?page=news_item&px=Glibc-2.29-Released

[empathicqubit]

#64

[NovaSquirrel]

That's a good idea! Thanks for the PR

[empathicqubit]

Gracias!