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Try system dylib when compiling for Apple platforms #85

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Merged
merged 1 commit into from
Mar 6, 2022
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Try system dylib when compiling for Apple platforms #85

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7 changes: 6 additions & 1 deletion build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -67,10 +67,15 @@ fn main() {
// MSVC basically never has it preinstalled, MinGW picks up a bunch of weird
// paths we don't like, `want_static` may force us, and cross compiling almost
// never has a prebuilt version.
//
// Apple platforms have libz.1.dylib, and it's usually available even when
// cross compiling (via fat binary or in the target's Xcode SDK)
let cross_compiling = target != host;
let apple_to_apple = host.contains("-apple-") && target.contains("-apple-");
if target.contains("msvc")
|| target.contains("pc-windows-gnu")
|| want_static
|| target != host
|| (cross_compiling && !apple_to_apple)
{
return build_zlib(&mut cfg, &target);
}
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