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Cygwin, MSYS2 and MinGW-w64

Cygwin: Get that Linux feeling - on Windows. a large collection of GNU and Open Source tools which provide functionality similar to a Linux distribution on Windows. a DLL (cygwin1.dll) which provides substantial POSIX API functionality.

MSYS2 is a collection of tools and libraries providing you with an easy-to-use environment for building, installing and running native Windows software.

mingw-w64 is a collection of header files, import libraries, libraries and tools that, when combined with a compiler toolchain, such as GCC or LLVM, provides a complete development environment for building native Windows applications and libraries.

In short:

  • Cygwin: Build and run GNU/Linux tools for windows (requires a cygwin1.dll).
  • MSYS2: Build, install and run native Windows softwares.
  • mingw-w64: C/C++ build toolchain for native Windows softwares.

NOTICE: Both Cygwin and MSYS2 requires Win10 or newer, mingw-w64 works ok on old OS such as Win7.

Cygwin

Recommend packages

  • autossh
  • openssh
  • curl
  • wget
  • git
  • vim
  • jq
  • p7zip
  • unzip

Recommend packages part II

  • python3
  • python-pip-wheel
  • ctags

MSYS2

Install the main binary msys2-x86_64-20250830.exe https://github.com/msys2/msys2-installer/releases/download/2025-08-30/msys2-x86_64-20250830.exe

then install mingw-w64 GCC: pacman -S mingw-w64-ucrt-x86_64-gcc

mingw-w64

GUI installer

version: 8.5.0 (gcc version)

architecture: 64 bit

thread model:

  • win32: Windows-specific, Native Windows API
  • [check] posix: POSIX Standardized API

build revision: rev0

exceptions:

  • SEH: Structured Exception Handling
  • [check] SJLJ: Setjmp/Longjmp

C runtime:

  • msvcrt: Microsoft Visual C++ Runtime
  • [check] ucrt: Universal C Runtime

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