Update ZLIB to v1.3.1 #735

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1. NeroBurner

   added

   help wantedExtra attention is neededExtra attention is needed

   on Jan 22, 2024
2. marc-medley commented on May 19, 2025

   

   marc-medley

   on May 19, 2025

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   As FYI, ZLIB v1.3.1 removes a #define fdopen(fd,mode) NULL statement in zutil.h which breaks ZLIB builds on an up-to-date macOS tool chain.

   In particular, v1.3.1 zutil.h has …

   #if defined(MACOS)
   #  define OS_CODE  7
   #endif

   … while the previous v1.3.0 zutil.h had …

   #if defined(MACOS) || defined(TARGET_OS_MAC)
   #  define OS_CODE  7
   #  ifndef Z_SOLO
   #    if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
   #      include <unix.h> /* for fdopen */
   #    else
   #      ifndef fdopen
   #        define fdopen(fd,mode) NULL /* No fdopen() */
   #      endif
   #    endif
   #  endif
   #endif
3. NeroBurner commented on May 23, 2025

   

   NeroBurner

   on May 23, 2025

   Author

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   @marc-medley best to report upstream, thanks for the info!
4. NeroBurner

   added

   package:updateAdd a new version to an existing packageAdd a new version to an existing package

   on May 23, 2025
5. olliwang commented on Aug 16, 2025

   

   olliwang

   on Aug 16, 2025

   Last edited by olliwang

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   I've created a Hunter package for zlib v1.3.1 that works for my iOS and Android projects built on macOS. cpp-pm/zlib#2

   🚀React with 🚀1Reacted by Aliaksandr Anishchuk
6. NeroBurner commented on Sep 18, 2025

   

   NeroBurner

   on Sep 18, 2025

   Author

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   released: https://github.com/cpp-pm/zlib/releases/tag/v1.3.1-p0

   looking forward to PR to hunter
7. NeroBurner

   closed this as completedin #831on Sep 18, 2025
8. NeroBurner

   added a commit that references this issue on Sep 18, 2025

   ZLIB: update to v1.3.1-p0. (#831)

   ...

   d3199ed
9. hyper-joel

   added a commit that references this issue on Mar 13, 2026

   Misc/rebase huntergate to master (#3)

   ...

   a171624