Also document iphoneos-version-min.

aspen · aspen · commit 22e8ced9fd3c · 2020-07-01T12:21:48.000-04:00
diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs
@@ -423,6 +423,7 @@ fn configure_cmake(
     if let Some(ref s) = builder.config.llvm_cflags {
         cflags.push_str(&format!(" {}", s));
     }
+    // Some compiler features used by LLVM (such as thread locals) will not work on a min version below iOS 10.
     if target.contains("apple-ios") {
         if target.contains("86-") {
             cflags.push_str(" -miphonesimulator-version-min=10.0");

Original file line number	Diff line number	Diff line change
`@@ -423,6 +423,7 @@ fn configure_cmake(`
`423`	`423`	`if let Some(ref s) = builder.config.llvm_cflags {`
`424`	`424`	`cflags.push_str(&format!(" {}", s));`
`425`	`425`	`}`
	`426`	`+ // Some compiler features used by LLVM (such as thread locals) will not work on a min version below iOS 10.`
`426`	`427`	`if target.contains("apple-ios") {`
`427`	`428`	`if target.contains("86-") {`
`428`	`429`	`cflags.push_str(" -miphonesimulator-version-min=10.0");`