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[Merged by Bors] - Changed Zshare-generics to n on Windows #2016

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lukors
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@lukors lukors commented Apr 26, 2021

It seems like this option needs to be off on Windows: bevyengine/bevy-website#131

This change also simplifies the instructions required for the Fast Compiles section of the book: bevyengine/bevy-website#137

@lukors
Changed Zshare-generics to n on Windows
60b3fe7 
It seems like this option needs to be off on Windows: bevyengine#131
@lukors lukors mentioned this pull request Apr 26, 2021
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.cargo/config_fast_builds
@@ -14,7 +14,7 @@ rustflags = ["-C", "link-arg=-fuse-ld=/usr/local/bin/zld", "-Zshare-generics=y"]

[target.x86_64-pc-windows-msvc]
linker = "rust-lld.exe"
rustflags = ["-Zshare-generics=y"]
rustflags = ["-Zshare-generics=n"]
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we should probably just remove the rustflags section entirely here. generic sharing is off by default last time i checked.

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share-generics is off by default, but only with --release, otherwise it's apparently on by default. This is where I got this information rust-lang/rust#67276 and I've verified it on my machine by successfully doing cargo +stable run --features bevy/dynamic --release, which doesn't work without --release.

@alice-i-cecile alice-i-cecile added C-Docs An addition or correction to our documentation O-Windows Specific to the Windows desktop operating system labels Apr 27, 2021
bayswaterpc added a commit to bayswaterpc/bevy_egui that referenced this pull request May 2, 2021
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Working commit
9b5d564 
Followed advice from the following to get it working
bevyengine/bevy#2016
This was referenced May 2, 2021
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@cart cart added the S-Pre-Relicense This PR was made before Bevy added the Apache license. Cannot be merged or used for other work label Jul 23, 2021
@mockersf mockersf removed the S-Pre-Relicense This PR was made before Bevy added the Apache license. Cannot be merged or used for other work label Jul 24, 2021
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SevenO2 commented Aug 29, 2021 •
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What's blocking this merge?

I've reproduced the (non)working configurations suggested by @lukors here: bevyengine/bevy-website#137 (comment)

config.toml toolchain target cargo run --features bevy/dynamic
rustflags = ["-Zshare-generics=y"] [nightly] [debug] ⛔ (still the "recommended" setup)
rustflags = ["-Zshare-generics=n"] [nightly] [debug] ✔️
() [nightly] --release ✔️
() +stable --release ✔️
() [nightly] [debug] ⛔
() +stable [debug] ⛔
rustflags = ["-Zshare-generics=y"] [nightly] --release ⛔
rustflags = ["-Zshare-generics=n"] [nightly] --release ✔️

⛔ note: LINK : fatal error LNK1189: library limit of 65535 objects exceeded
      This error occurs with and without linker = "rust-lld.exe" (although I did not try it with all combinations)

I'm running on Windows 10, with MSVC v142 - VS 2019 C++ x86/64 build tools

stable-x86_64-pc-windows-msvc (default)
rustc 1.54.0 (a178d0322 2021-07-26)

nightly-x86_64-pc-windows-msvc (overridden by '.\rust-toolchain.toml')
rustc 1.56.0-nightly (ad02dc46b 2021-08-26)

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What's blocking this merge?

I guess someone on Windows that can confirm, which you did 👍

@mockersf mockersf added the S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it label Aug 30, 2021
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cart commented Aug 30, 2021

Sorry for letting this sit unmerged / untested :)

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cart commented Aug 30, 2021

bors r+

bors bot pushed a commit that referenced this pull request Aug 30, 2021
@lukors
Changed Zshare-generics to n on Windows (#2016)
4465583 
It seems like this option needs to be off on Windows: bevyengine/bevy-website#131

This change also simplifies the instructions required for the Fast Compiles section of the book: bevyengine/bevy-website#137
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bors bot commented Aug 30, 2021

Pull request successfully merged into main.

Build succeeded:

@bors bors bot changed the title Changed Zshare-generics to n on Windows [Merged by Bors] - Changed Zshare-generics to n on Windows Aug 30, 2021
@bors bors bot closed this Aug 30, 2021
bilsen pushed a commit to bilsen/bevy that referenced this pull request Sep 2, 2021
@lukors @bilsen
Changed Zshare-generics to n on Windows (bevyengine#2016)
d57daac 
It seems like this option needs to be off on Windows: bevyengine/bevy-website#131

This change also simplifies the instructions required for the Fast Compiles section of the book: bevyengine/bevy-website#137
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