Issues

• Compile Error on riscv64gc-unknown-linux-gnu after upgrading from 1.1.23 to 1.1.24

  help wanted
  rust-lang/libz-sys#260 · Filter by author 0x7d8 opened on Feb 25, 2026
  1

• Fails with **note, vcpkg did not find zlib: the vcpkg-rs Vcpkg build helper can only find libraries built for the MSVC ABI.** when building for -gnu and all MSYS2 libraries are present?

  rust-lang/libz-sys#249 · Filter by author nabijaczleweli opened on Sep 3, 2025

• MacOS: fails to compile

  help wanted
  rust-lang/libz-sys#245 · Filter by author mouse07410 opened on Jul 7, 2025
  3

• zlib-ng-no-cmake-experimental-community-maintained breaks OSX builds

  bughelp wanted
  rust-lang/libz-sys#230 · Filter by author brainstorm opened on Dec 5, 2024
  3

• 1.1.20 failed in cmake stage on windows 10

  help wantedquestion
  rust-lang/libz-sys#229 · Filter by author shenjackyuanjie opened on Nov 24, 2024
  13

• Compile error on Windows 11 (and Github actions) when using libz-ng-sys 1.1.20

  rust-lang/libz-sys#225 · Filter by author puffyCid opened on Oct 28, 2024
  10

• Unpaired surrogate in any env var stalls libz-ng-sys build on Windows

  bughelp wanted
  rust-lang/libz-sys#215 · Filter by author EliahKagan opened on Sep 5, 2024
  5

• Link against shared zlib library when cross-compiling

  bughelp wanted
  rust-lang/libz-sys#201 · Filter by author hodrob84 opened on Aug 8, 2024
  9

• zlib-ng: Illegal instruction on riscv64gc-unknown-linux-gnu

  blockedbughelp wanted
  rust-lang/libz-sys#200 · Filter by author EliahKagan opened on Aug 8, 2024
  12

• Can't build libz-ng-sys on i686-pc-windows-msvc

  bughelp wanted
  rust-lang/libz-sys#197 · Filter by author EliahKagan opened on Jun 29, 2024
  3

• Build fails on powerpc64 and powerpc64le: error: use of undeclared identifier 'power_cpu_has_arch_3_00'

  rust-lang/libz-sys#183 · Filter by author yurivict opened on Feb 2, 2024
  7

• Very slow compilation under Windows with libz-ng-sys

  question
  rust-lang/libz-sys#171 · Filter by author xTachyon opened on Jan 13, 2024
  4

• Dynamically link zlib-ng

  enhancementhelp wanted
  rust-lang/libz-sys#158 · Filter by author hack3ric opened on Sep 21, 2023
  4

• Failed to build zlib-ng with gnullvm target.

  help wanted
  rust-lang/libz-sys#153 · Filter by author QianNangong opened on Sep 2, 2023
  6

• libz-ng: illegal instruction on x86_64-unkown-linux-{musl, gnu}

  help wantedquestion
  rust-lang/libz-sys#148 · Filter by author NobodyXu opened on Aug 1, 2023
  4

• Add ZLIB_DIR config option, and don't vendor zlib or zlib-ng automatically

  bughelp wanted
  rust-lang/libz-sys#147 · Filter by author micolous opened on Jul 28, 2023
  12

• Support using pkg-config for zlib-ng

  rust-lang/libz-sys#110 · Filter by author alyssais opened on Jan 1, 2023
  3

• crate wants to install to /usr/local during building

  question
  rust-lang/libz-sys#109 · Filter by author johanneskoester opened on Dec 2, 2022
  1

• Failed to compile libz-ng-sys v1.1.8 on armv7-unknown-linux-gnueabihf

  rust-lang/libz-sys#108 · Filter by author NobodyXu opened on Oct 8, 2022
  10

• Problems reading GZIPPED file with libz-sys > 1.1.5 and zlib-ng-compat

  rust-lang/libz-sys#104 · Filter by author ghuls opened on Jul 5, 2022

• No available targets are compatible with triple "wasm32-unknown-unknown"

  rust-lang/libz-sys#103 · Filter by author samdenty opened on Jun 18, 2022
  2

• Build fails with unrecognized command-line option '-arch' when cross-compiling

  rust-lang/libz-sys#93 · Filter by author edmorley opened on Mar 28, 2022
  4

• Allow linking against system zlib-ng

  rust-lang/libz-sys#83 · Filter by author figsoda opened on Nov 11, 2021
  5

• Linking fails on Windows if other -sys crates link to the system zlib

  rust-lang/libz-sys#56 · Filter by author 999eagle opened on Sep 24, 2019

• ABI break: z_stream::zalloc and z_stream::zfree should be able to set to None (null)

  rust-lang/libz-sys#55 · Filter by author crlf0710 opened on Sep 11, 2019
  9