Simon Wright

>I'm sure - without actually trying - that it'd be the same on x86_64 It is.

> Used the suggested work around from Simon above, and instead built with: gprbuild -j0 -Palr_env -XOS=macOS -gnatws I think `-gnatwn` (normal warning mode (cancels -gnatws/-gnatwe)) would have been better.

>The warnings in e.g. alire-hashes.ads appear to be a genuine compiler problem: how is Char not used in > function Is_Well_Formed (Hash_Img : String) return Boolean is (for some Char...

This is a rebuild using release 1.2.0 (I get the same effect using 1.3.0-dev). ``` lockheed:alire simon$ 1.2.0/bin/alr clean lockheed:alire simon$ OS=macOS 1.2.0/bin/alr build -- -gnatwn ... Link [link] alr-main.adb...

Using 997d2ae, the [sdl2-examples](https://github.com/xyproto/sdl2-examples/tree/main/ada) demo works on macOS Big Sur with FSF GCC 11.1.0 and GNAT CE 2021 (out-of-the-box, bar macOS framework linking stuff as in the example)

> In my system, there's a symlink from the major number to the precise versioned library: > > `libX11.so.6 -> libX11.so.6.4.0` > > Why this isn't done for static libs...

@Fabien-Chouteau: > Isn't gprbuild already doing the right thing for the file extension? Yes.

@mosteo : > Yes, but this precludes having two static versions available simultaneously for development. I guess those systems deem one the "current" system-wide. I think if you wanted two...

Updated README.md in b6ac2f3.

Will consider making [Ada_Drivers_Library](https://github.com/AdaCore/Ada_Drivers_Library) a submodule. Other than that, completed.