| --- Log opened Fri Jan 13 00:00:05 2023 |
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| 01:21 | <@celticminstrel> | McMartin: You mentioned a parameter I could pass to clang to ensure I don’t accidentally use 10.7-incompatible stuff, but I went and forgot what it was before I got the chance to make use of it… |
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| 02:02 | <&McMartin> | celticminstrel: -mmacosx-version-min=10.10 -Wunguarded-availability |
| 02:02 | <&McMartin> | Note that Xcode's build config has a version for this too, but its labels are misleading |
| 02:02 | <&McMartin> | "Yes" means "not actually yes"; you need to select "Yes (all versions)" |
| 02:03 | <@celticminstrel> | I assume I replace 10.10 with 10.7. |
| 02:03 | <&McMartin> | Yeah, or whichever. |
| 02:03 | <&McMartin> | ("Yes" without "(all versions") only checks calls added in 10.13 or later.) |
| 02:03 | <@celticminstrel> | What’s this about Xcode’s build config? |
| 02:03 | <&McMartin> | "We can turn on out-of-deployment-version checking for all versions by adding the -Wunguarded-availability flag to our CFLAGS. In Xcode, this is filed under “Warnings – All languages” under the name “Unguarded Availability”, and in a truly impressive feat of user interface design, you need to change it from “Yes” to “Yes (all versions)” for it to actually behave in the way we want. |
| 02:03 | <&McMartin> | (“No” disables it even when the new calls are into the 10.13 or 10.14 SDKs.)." |
| 02:04 | <&McMartin> | 10.7 is when ARC is introduced, so you Do Not Want To Target Earlier Than 10.7, generally speaking. |
| 02:04 | <@celticminstrel> | I have no idea what to search for to find this setting in Xcode. |
| 02:04 | <@celticminstrel> | Maybe it doesn’t exist yet? |
| 02:05 | | * McMartin dunno |
| 02:06 | <&McMartin> | This would be a 10.14 Xcode doing the build, because the notion I had here was "build targeting old versions with new tools" |
| 02:06 | <@celticminstrel> | I’m on 10.15, so I assume your Xcode was no newer than mine then. |
| 02:06 | <&McMartin> | The alternative being "keep ancient tools around forever and hope Apple maintains compatibility with their build products" and IMO that's not a great plan and in fact it remains a bad plan for any value of "Apple" that is not "Microsoft" |
| 02:07 | <&McMartin> | ... yeah, it should just be on the part of Xcode where you set compiler flags in recent Xcodes. |
| 02:07 | <&McMartin> | I think you click the xcodeproj entry in the project view |
| 02:07 | <&McMartin> | Unless you're just using Make here, in which case, yeah, CFLAGS |
| 02:07 | <@celticminstrel> | Oh, I thought you said there was a dedicated entry in those settings for this. |
| 02:07 | <@celticminstrel> | Rather than putting it in Additional Flags. |
| 02:10 | <@celticminstrel> | It looks like that doesn’t work, because the deployment target is set to 10.9. |
| 02:11 | <@celticminstrel> | clang: warning: overriding '-mmacosx-version-min=10.7' option with '-target x86_64-apple-macos10.9' [-Woverriding-t-option] |
| 02:14 | <&McMartin> | Oh yes, you will also need to set the deployment target then |
| 02:15 | <&McMartin> | (If setting versionmin to 10.9 works, well, that's a start... but IIRC there is little reason to go below 10 and not go all the way to 7) |
| 02:16 | <@celticminstrel> | I had the deployment target set to 10.7, but it was warning me about that. |
| 02:16 | <@celticminstrel> | Because apparently 10.9 is the oldest one installed or something? |
| 02:31 | <&McMartin> | Sounds like it's just Apple being petty. :/ |
| 02:33 | <@celticminstrel> | Extremely plausible… :( |
| 02:35 | <&McMartin> | (10.7, 10.10, and 10.12 make very significant changes to the runtime and the core UI construction kits.) |
| 02:35 | <&McMartin> | (10.9... does not) |
| 02:36 | <@celticminstrel> | So targeting 10.9 should at least avoid most things that would be incompatible with 10.7, huh? |
| 03:03 | <~Vornicus> | I have a simple question. How: https://twitter.com/jonathanbfine/status/1535719441341743105 |
| 03:12 | <&McMartin> | I would generally think so, but I admit my expertise here has much more to do with Objective-C and its related OS libraries than the C++ side. |
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| --- Log closed Sat Jan 14 00:00:06 2023 |