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I am using Portable MSYS2 + MinGW64. I mean to get gcc.
Some sources indicate installing gcc, e.g.
$ pacman -Sy mingw-w64-i686-gcc $ pacman -Sy mingw-w64-x86_64-gcc http://www.cplusplus.com/forum/windows/227005/
Others (mostly in github) indicate installing a toolchain, e.g.
$ pacman -Sy mingw-w64-x86_64-toolchain https://github.com/tpaviot/oce/issues/631
https://github.com/Alexpux/MSYS2-packages/issues/293
https://github.com/orlp/dev-on-windows/wiki/Installing-GCC--&-MSYS2
What are the reasons, if any, for preferring one or the other?
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MSYS2 is a collection of tools and libraries providing you with an easy-to-use environment for building, installing and running native Windows software.
The default location of the MSYS2 installation is C:\msys64 . If you don't have Administrator rights, you can install MSYS2 in any location you have access to, e.g. C:\Users\'user'\msys64 (with 'user' being your Windows user directory name).
Packages prefixed with msys/ will be installed to the C:\msys64\usr\ environment. Some packages are prefixed with mingw64. Those are installed to C:\msys64\mingw64\ environment.
The MinGW-w64 Win32 Shell is very similar to the MSYS2 Shell. The main difference is that "/mingw32/bin" is prepended to the path, and a few other environment variables are adjusted as well. You can see all the differences in the two shells by looking at the use of the MSYSTEM variable in /etc/profile.
Found on the mailing list:
Then you can install toolchain by typing: pacman -S mingw-w64-i686-toolchain or pacman -S mingw-w64-x86_64-toolchain It installs full MinGW-w64 GCC with prerequisites. If you don't need full GCC then you can install only needed languages. Variants are: 32bit: mingw-w64-i686-gcc - C/C++ mingw-w64-i686-ada mingw-w64-i686-fortran mingw-w64-i686-objc - ObjC/ObjC++ 64bit: mingw-w64-x86_64-gcc - C/C++ mingw-w64-x86_64-ada mingw-w64-x86_64-fortran mingw-w64-x86_64-objc - ObjC/ObjC++ So the toolchain installs all available languages, not just gcc.
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