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Nix Cross Compiling

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28 Jul 2021
@sternenseemann:systemli.orgsterni (he/him) John Ericson: thanks a lot! 14:21:14
@Ericson2314:matrix.orgJohn Ericson
In reply to @sternenseemann:systemli.org
John Ericson: thanks a lot!
np! sorry i didn't see before, always feel free to ping me
15:16:30
@sternenseemann:systemli.orgsterni (he/him) John Ericson: btw I also got gnat to build as cross compiler, although it is probably only useful for bare metal targets because gcc's build system somehow falls apart when building libada for a cross compiler: https://github.com/NixOS/nixpkgs/pull/131136 16:44:17
@Ericson2314:matrix.orgJohn EricsonI saw!16:52:14
@Ericson2314:matrix.orgJohn EricsonThat's good because the libs should be built separately anyways16:52:19
@Ericson2314:matrix.orgJohn Ericson If you make that separate derivative like I did for libgcc but then we actually use it, I'll be very happy! 16:52:52
@sternenseemann:systemli.orgsterni (he/him)I'll look into building it separately but it seems there is very little accurate documentation on it atm16:53:25
@Ericson2314:matrix.orgJohn EricsonEven better if always use the separate derivation including in native case16:53:36
@Ericson2314:matrix.orgJohn EricsonOk losing internet16:54:11
@sternenseemann:systemli.orgsterni (he/him)it'd also be great for the ada case since there are special libadas for certain targets etc.16:54:26
@sternenseemann:systemli.orgsterni (he/him)so supporting swapping it out would be very useful16:54:38
@Ericson2314:matrix.orgJohn EricsonGood luck!16:58:04
@Ericson2314:matrix.orgJohn Ericsonsterni (he/him) besides our libgcc, check the Exherbo distro17:03:08
@sternenseemann:systemli.orgsterni (he/him)I will, that's probably a good hint, thanks17:03:30
@Ericson2314:matrix.orgJohn Ericson sterni (he/him) about to loose internet, so that's all I got! 17:03:28
@sternenseemann:systemli.orgsterni (he/him)ty :)17:03:42
@Ericson2314:matrix.orgJohn EricsonExherbo did all the gcc/g++ libs, which I am jealous of17:04:06
30 Jul 2021
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1 Aug 2021
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@sternenseemann:systemli.orgsterni (he/him) John Ericson: seems to me that exherbo doesn't have GNAT at all, at least their gcc seems to statically disable ada and I also did not find any libada package 17:08:32
@sternenseemann:systemli.orgsterni (he/him) checked arbor's sys-libs and sys-devel/gcc 17:08:59
@sternenseemann:systemli.orgsterni (he/him)not sure if there is another place I should've looked17:09:19
@Ericson2314:matrix.orgJohn Ericson sterni (he/him): we'll just have to do based off other libs 17:10:58
@sternenseemann:systemli.orgsterni (he/him)yeah libgfortran and libgcc are good candidates I'm guessing17:11:31
@Ericson2314:matrix.orgJohn Ericson sterni (he/him): i was just talking to to friend and coworker who was hitting libssp issues with mingw 17:11:51
@Ericson2314:matrix.orgJohn Ericsoni was going to make an issue for repackaging gcc17:12:11
@sternenseemann:systemli.orgsterni (he/him)is that the GMP cross issue?17:12:16
@Ericson2314:matrix.orgJohn Ericsonlink? I didn't make mine yet17:13:06
@sternenseemann:systemli.orgsterni (he/him)https://github.com/NixOS/nixpkgs/pull/132188 (which is linked from https://github.com/NixOS/nixpkgs/pull/132199)17:14:07
@sternenseemann:systemli.orgsterni (he/him)so not issue technically :)17:14:16

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