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Change linking of CGDisplayCreateUUIDFromDisplayID on macos (#1626)

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* Link CGDisplayCreateUUIDFromDisplayID through ColorSync instead of CoreGraphics

* Conditionally link through ColorSync only if WINIT_LINK_COLORSYNC is set
to true

* Document new macos env var in README
This commit is contained in:
Imberflur
2021-02-05 02:58:55 -05:00
committed by GitHub
parent b1d353180b
commit b9307a9967
3 changed files with 32 additions and 1 deletions
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build.rs Normal file
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@@ -0,0 +1,10 @@
fn main() {
// If building for macos and WINIT_LINK_COLORSYNC is set to true
// use CGDisplayCreateUUIDFromDisplayID from ColorSync instead of CoreGraphics
if std::env::var("CARGO_CFG_TARGET_OS").map_or(false, |os| os == "macos")
&& std::env::var("WINIT_LINK_COLORSYNC")
.map_or(false, |v| v == "1" || v.eq_ignore_ascii_case("true"))
{
println!("cargo:rustc-cfg=use_colorsync_cgdisplaycreateuuidfromdisplayid");
}
}