chore: expose more flate2 feature flags (#476)

* chore: expose more flate2 feature flags

* Add comments on the new flags in Cargo.toml

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Signed-off-by: Chris Hennick <[email protected]>

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Signed-off-by: Chris Hennick <[email protected]>
Co-authored-by: Chris Hennick <[email protected]>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: 3 people

Cargo.toml

@@ -77,6 +77,10 @@ deflate-flate2 = ["_deflate-any", "dep:flate2"]
 deflate-flate2-zlib-rs = ["deflate-flate2", "flate2/zlib-rs"]
 # Pull in flate2 and the zlib backend; only use this if you need a dynamically linked system zlib
 deflate-flate2-zlib = ["deflate-flate2", "flate2/zlib"]
+# Pull in flate2 and the zlib-ng backend; a modern fork of zlib
+deflate-flate2-zlib-ng = ["deflate-flate2", "flate2/zlib-ng"]
+# Pull in flate2 and the zlib-ng backend with a zlib-compatible API
+deflate-flate2-zlib-ng-compat = ["deflate-flate2", "flate2/zlib-ng-compat"]
 # Pull in zopfli (write-only DEFLATE, slower than flate2 with better compression ratios)
 deflate-zopfli = ["dep:zopfli", "_deflate-any"]
 jiff-02 = ["dep:jiff"]