Fix conflicting exported Brotli APIs #2149
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UnityAlex
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Windows always uses system Brotli lib and needs to be handled differently. AOT links the builtin libs instead of dynamically loading them and therefore doesn't suffer the same symbol conflict issue we are trying to fix.
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This was referenced Jul 7, 2025
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Mono includes and builds the source for the Brotli compression algorithm in its platform specific native library. Since mono dlopens this library the APIs used are exported. However, no changes have been made to the function names allowing for conflicts to happen with other loaded versions of Brotli that might be present. MacOS, for example, provides its own Brotli library and collisions will occur resulting in crashes when Brotli is used there.
Reviewers: please consider these questions as well! ❤️
Release notes
Fixed UUM-108000 @UnityAlex:
Mono: Fixed crash that would occur due to symbol collision between builtin Brotli compression and system installed versions.