How to install MinGW-w64 and MSYS2

Question

I am trying to build some open source library  I need package management system to easily download the dependencies  At first I am using MinGW MSYS  But the included packages are limited  Someone told me to use MinGW-w64   MSYS2   I downloaded the mingw-w64-install from here  When running  it reports the following error  How to fix it     And btw  from the MinGW-w64 download page  I see a lot of download links  Even Cygwin is listed  How Cygwin and MinGW-w64 are related     My current understanding is  in the time of MinGW MSYS  MSYS is just a nice addon to MinGW  while in MinGW-w64   MSYS2  MSYS2 is standalone and MinGW-w64 is just a set of libraries it can work with  Just like Cygwin can download many different packges

User · Answer

MSYS has not been updated a long time  MSYS2 is more active  you can download from MSYS2  it has both mingw and cygwin fork package   To install the MinGW-w64 toolchain  Reference     Open MSYS2 shell from start menu Run pacman -Sy pacman to update the package database Re-open the shell  run pacman -Syu to update the package database and core system packages Re-open the shell  run pacman -Su to update the rest Install compiler    For 32-bit target  run pacman -S mingw-w64-i686-toolchain For 64-bit target  run pacman -S mingw-w64-x86 64-toolchain  Select which package to install  default is all You may also need make  run pacman -S make

User · Answer

Unfortunately  the MinGW-w64 installer you used sometimes has this issue  I myself am not sure about why this happens  I think it has something to do with Sourceforge URL redirection or whatever that the installer currently can t handle properly enough    Anyways  if you re already planning on using MSYS2  there s no need for that installer    Download MSYS2 from this page  choose 32 or 64-bit according to what version of Windows you are going to use it on  not what kind of executables you want to build  both versions can build both 32 and 64-bit binaries   After the install completes  click on the newly created  MSYS2 Shell  option under either MSYS2 64-bit or MSYS2 32-bit in the Start menu  Update MSYS2 according to the wiki  although I just do a pacman -Syu  ignore all errors and close the window and open a new one  this is not recommended and you should do what the wiki page says   Install a toolchain  a  for 32-bit   pacman -S mingw-w64-i686-gcc   b  for 64-bit   pacman -S mingw-w64-x86 64-gcc  install any libraries tools you may need  You can search the repositories by doing  pacman -Ss name of something i want to install   e g   pacman -Ss gsl   and install using  pacman -S package name of something i want to install   e g   pacman -S mingw-w64-x86 64-gsl   and from then on the GSL library is automatically found by your MinGW-w64 64-bit compiler  Open a MinGW-w64 shell   a  To build 32-bit things  open the  MinGW-w64 32-bit Shell   b  To build 64-bit things  open the  MinGW-w64 64-bit Shell  Verify that the compiler is working by doing   gcc -v    If you want to use the toolchains  with installed libraries  outside of the MSYS2 environment  all you need to do is add  lt MSYS2 root gt  mingw32 bin or  lt MSYS2 root gt  mingw64 bin to your PATH

[cygwin] How to install MinGW-w64 and MSYS2?

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