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[Library] Update zlibng (#1255)
* Update zlibng * Set cmake path more directly in zlibng to hopefully fix an issue with the build on drone * I'm dumb, missing / in path * Mackal helps with a dumb gitignore issue * Adding all the files, not sure what's ignoring them and im tired of looking * Some tweaks to zlibng build to hopefully get it to build properly. works on msvc now
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Alex
GitHub
+136
-11
@@ -1,10 +1,41 @@
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zlib-ng - zlib for the next generation systems
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## zlib-ng
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*zlib data compression library for the next generation systems*
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Maintained by Hans Kristian Rosbach
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aka Dead2 (zlib-ng àt circlestorm dót org)
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|CI|Status|
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|:-|-|
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|GitHub Actions|[](https://github.com/zlib-ng/zlib-ng/actions) [](https://github.com/zlib-ng/zlib-ng/actions) [](https://github.com/zlib-ng/zlib-ng/actions)|
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|Buildkite|[](https://buildkite.com/circlestorm-productions/zlib-ng)|
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|CodeFactor|[](https://www.codefactor.io/repository/github/zlib-ng/zlib-ng)|
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|OSS-Fuzz|[](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:zlib-ng)
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|Codecov|[](https://codecov.io/github/zlib-ng/zlib-ng/)|
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Fork Motivation and History
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Features
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--------
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* Zlib compatible API with support for dual-linking
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* Modernized native API based on zlib API for ease of porting
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* Modern C99 syntax and a clean code layout
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* Deflate medium and quick algorithms based on Intels zlib fork
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* Support for CPU intrinsics when available
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* Adler32 implementation using SSSE3, AVX2, Neon & VSX
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* CRC32-B implementation using PCLMULQDQ & ACLE
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* Hash table implementation using CRC32-C intrinsics on x86 and ARM
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* Slide hash implementations using SSE2, AVX2, Neon & VSX
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* Compare256/258 implementations using SSE4.2 & AVX2
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* Inflate chunk copying using SSE2, AVX2 & Neon
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* Support for hardware-accelerated deflate using IBM Z DFLTCC
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* Unaligned memory read/writes and large bit buffer improvements
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* Includes improvements from Cloudflare and Intel forks
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* Configure, CMake, and NMake build system support
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* Comprehensive set of CMake unit tests
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* Code sanitizers, fuzzing, and coverage
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* GitHub Actions continuous integration on Windows, macOS, and Linux
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* Emulated CI for ARM, AARCH64, PPC, PPC64, SPARC64, S390x using qemu
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Fork Motivation
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---------------------------
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The motivation for this fork was due to seeing several 3rd party
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@@ -38,17 +69,97 @@ various dead code, all contrib and example code as there is little
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point in having those in this fork for various reasons.
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A lot of improvements have gone into zlib-ng since its start, and
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numerous people have contributed both small and big improvements,
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or valuable testing.
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numerous people and companies have contributed both small and big
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improvements, or valuable testing.
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Please read LICENSE.md, it is very simple and very liberal.
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Build
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-----
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There are two ways to build zlib-ng:
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### Cmake
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To build zlib-ng using the cross-platform makefile generator cmake.
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```
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cmake .
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cmake --build . --config Release
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ctest --verbose -C Release
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```
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Alternatively, you can use the cmake configuration GUI tool ccmake:
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```
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ccmake .
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```
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### Configure
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To build zlib-ng using the bash configure script:
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```
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./configure
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make
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make test
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```
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Build Options
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-------------
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| CMake | configure | Description | Default |
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|:-------------------------|:-------------------------|:--------------------------------------------------------------------------------------|---------|
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| ZLIB_COMPAT | --zlib-compat | Compile with zlib compatible API | OFF |
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| ZLIB_ENABLE_TESTS | | Build test binaries | ON |
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| WITH_GZFILEOP | --without-gzfileops | Compile with support for gzFile related functions | ON |
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| WITH_OPTIM | --without-optimizations | Build with optimisations | ON |
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| WITH_NEW_STRATEGIES | --without-new-strategies | Use new strategies | ON |
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| WITH_NATIVE_INSTRUCTIONS | --native | Compiles with full instruction set supported on this host (gcc/clang -march=native) | OFF |
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| WITH_SANITIZER | --with-sanitizer | Build with sanitizer (memory, address, undefined) | OFF |
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| WITH_FUZZERS | --with-fuzzers | Build test/fuzz | OFF |
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| WITH_MAINTAINER_WARNINGS | | Build with project maintainer warnings | OFF |
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| WITH_CODE_COVERAGE | | Enable code coverage reporting | OFF |
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Install
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-------
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WARNING: We do not recommend manually installing unless you really
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know what you are doing, because this can potentially override the system
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default zlib library, and any incompatibility or wrong configuration of
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zlib-ng can make the whole system unusable, requiring recovery or reinstall.
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If you still want a manual install, we recommend using the /opt/ path prefix.
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For Linux distros, an alternative way to use zlib-ng (if compiled in
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zlib-compat mode) instead of zlib, is through the use of the
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_LD_PRELOAD_ environment variable. If the program is dynamically linked
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with zlib, then zlib-ng will temporarily be used instead by the program,
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without risking system-wide instability.
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```
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LD_PRELOAD=/opt/zlib-ng/libz.so.1.2.11.zlib-ng /usr/bin/program
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```
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### Cmake
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To install zlib-ng system-wide using cmake:
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```
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cmake --build . --target install
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```
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### Configure
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To install zlib-ng system-wide using the configure script:
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```
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make install
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```
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Contributing
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------------
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Zlib-ng is a young project, and we aim to be open to contributions,
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and we would be delighted to receive pull requests on github.
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Zlib-ng is a aiming to be open to contributions, and we would be
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delighted to receive pull requests on github.
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Just remember that any code you submit must be your own and it must
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be zlib licensed.
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Help with testing and reviewing of pull requests etc is also very
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@@ -73,9 +184,23 @@ The deflate and zlib specifications were written by L. Peter Deutsch.
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zlib was originally created by Jean-loup Gailly (compression)
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and Mark Adler (decompression).
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Advanced Build Options
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----------------------
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Build Status
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------------
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Travis CI: [](https://travis-ci.org/zlib-ng/zlib-ng/)
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Buildkite: [](https://buildkite.com/circlestorm-productions/zlib-ng)
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| CMake | configure | Description | Default |
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|:--------------------------------|:----------------------|:--------------------------------------------------------------------|------------------------|
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| ZLIB_DUAL_LINK | | Dual link tests with system zlib | OFF |
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| | --force-sse2 | Assume SSE2 instructions are always available | ON (x86), OFF (x86_64) |
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| WITH_AVX2 | | Build with AVX2 intrinsics | ON |
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| WITH_SSE2 | | Build with SSE2 intrinsics | ON |
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| WITH_SSE4 | | Build with SSE4 intrinsics | ON |
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| WITH_PCLMULQDQ | | Build with PCLMULQDQ intrinsics | ON |
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| WITH_ACLE | --without-acle | Build with ACLE intrinsics | ON |
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| WITH_NEON | --without-neon | Build with NEON intrinsics | ON |
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| WITH_POWER8 | | Build with POWER8 optimisations | ON |
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| WITH_DFLTCC_DEFLATE | --with-dfltcc-deflate | Use DEFLATE COMPRESSION CALL instruction for compression on IBM Z | OFF |
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| WITH_DFLTCC_INFLATE | --with-dfltcc-inflate | Use DEFLATE COMPRESSION CALL instruction for decompression on IBM Z | OFF |
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| WITH_UNALIGNED | | Allow optimizations that use unaligned reads if safe on current arch| ON |
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| WITH_INFLATE_STRICT | | Build with strict inflate distance checking | OFF |
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| WITH_INFLATE_ALLOW_INVALID_DIST | | Build with zero fill for inflate invalid distances | OFF |
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| INSTALL_UTILS | | Copy minigzip and minideflate during install | OFF |
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