Add some forgotten things to the fedora build instructions

[jordan4ibanez]

hi

[RipleyTom]

Technically those are not required as you can build LLVM from the submodule with -DBUILD_LLVM=ON and you can also use our curl submodule with -DUSE_SYSTEM_CURL=OFF (both as cmake parameters).

But yeah in the current state the build instructions won't work if you don't have llvm and curl. If we change it that needs to be change it for all distros. Or we can specify those instructions in the build instructions.

[Megamouse]

Technically those are not required as you can build LLVM from the submodule with -DBUILD_LLVM=ON and you can also use our curl submodule with -DUSE_SYSTEM_CURL=OFF (both as cmake parameters).

But yeah in the current state the build instructions won't work if you don't have llvm and curl. If we change it that needs to be change it for all distros. Or we can specify those instructions in the build instructions.

I think if you blindly install those in the first place then you won't change the build variables anyway.