Re: Building --with-native-compilation on Ubuntu 18.04 LT

[Óscar Fuentes]

"H. Dieter Wilhelm" <dieter@duenenhof-wilhelm.de> writes:

> I'd like to compile Emacs with the --with-native-compilation support.
> But configure was complaining about a missing libgccjit executable.  I
> thought it a good idea to install libgccjit with the same version number
> as the installed gcc: libgccjit-7-dev.
>
> But now configure is complaining that libgccjit can't compile a test
> program.
>
> The only hint I found is on StackExchange with a recipe for Ubuntu 18.04
> using gcc-10.  Do you know if it is really necessary to install such a
> new version of gcc?  (A problem is that gcc-10 is not readily available
> in the Ubuntu repo.)

The problem with gcc 7 is known ant the author recommends gcc 9 or
newer:

https://akrl.sdf.org/gccemacs.html#orgde56122


It is a bit puzzling that there is no mention of native-comp / libgccjit
on INSTALL.