Mingw 4.4 Download
Kam Girardi
MinGW was originally called mingw32 ("Minimalist GNU for W32"), following the GNU convention whereby Windows is shortened as "W32".[3][4] The numbers were dropped in order to avoid the implication that it would be limited to producing 32-bit binaries. Colin Peters authored the initial release in 1998, consisting only of a Cygwin port of GCC.[5][6] Jan-Jaap van der Heijden created a Windows-native port of GCC and added binutils and make.[5][6] Mumit Khan later took over development, adding more Windows-specific features to the package, including the Windows system headers by Anders Norlander.[5][6] In 2000, the project was moved to SourceForge in order to solicit more assistance from the community and centralize its development.[5][6]
MinGW links by default to the Windows OS component library MSVCRT, which is the C library that Visual C++ version 6.0 linked to (the initial target was CRTDLL), which was released in 1998 and therefore does not include support for C99 features, or even all of C89. While targeting MSVCRT yields programs that require no additional runtime redistributables to be installed, the lack of support for C99 has caused porting problems, particularly where printf-style conversion specifiers are concerned. These issues have been partially mitigated by the implementation of a C99 compatibility library, libmingwex, but the extensive work required is far from complete and may never be fully realized.[10] Mingw-w64 has resolved these issues, and provides fully POSIX compliant printf functionality.
The MinGW project maintains and distributes a number of different core components and supplementary packages, including various ports of the GNU toolchain, such as GCC and binutils, translated into equivalent packages.[12][13] These utilities can be used from the Windows command line or integrated into an IDE. Packages may be installed using the command line via mingw-get.[14]
mingwPORTs are user contributed additions to the MinGW software collection. Rather than providing these "add-ons" as precompiled binary packages, they are supplied in the form of interactive Bourne shell scripts, which guide the end user through the process of automatically downloading and patching original source code, then building and installing it. Users who wish to build any application from a mingwPORT must first install both MinGW and MSYS.[17]
Mingw-w64 is an advancement of the original mingw.org project, created tosupport the GCC compiler on Windows systems. It has forked it in 2007 in orderto provide support for 64 bits and new APIs. It has since then gained widespreaduse and distribution.
Just run and open MinGW Installation Manager, which should be pre-installed with MinGW, select "All Packages" on the left panel, and on the right panel, search for "mingw32-pthreads-w32" packages and install them.
I had the same problem even with those packages installed. I had to go to mingw\lib and copy the file libpthreadGC-3.a and rename it to libpthread.a and the file libpthreadGC-3.dll.a rename it to libpthread.dll.a
If you also have cygwin installed ... see the question on mingw.org. I ended up with adding 'C:/cygwin/lib' to the settings for the "Library search path (-L)" at properties >> c/c++ build >> settings >> MinGW C Linker >> Libraries.
In this tutorial, you configure Visual Studio Code to use the GCC C++ compiler (g++) and GDB debugger from mingw-w64 to create programs that run on Windows. After configuring VS Code, you will compile, run, and debug a Hello World program.
If you have Visual Studio or WSL installed, you might need to change compilerPath to match the preferred compiler for your project. For example, if you installed MinGW-w64 version 8.1.0 using the i686 architecture, Win32 threading, and sjlj exception handling install options, the path would look like this: C:\Program Files (x86)\mingw-w64\i686-8.1.0-win32-sjlj-rt_v6-rev0\mingw64\bin\g++.exe.
You must follow the steps on the MSYS2 website to use the MSYS CLI to install the full MinGW-w64 toolchain(pacman -S --needed base-devel mingw-w64-ucrt-x86_64-toolchain), as well as all required prerequisites. The toolchain includes g++ and gdb.
I used the automatic installer mingw-get-setup.exe and simply followed the instructions. I chose the installation folder to be C:\mingw, and in the MinGW Installation Manager, I chose to install mingw-developer-toolkit, mingw32-base, mingw32-gcc-g++, mingw32-gcc-objc and msys-base. As suggested in the installation guide, I added PATH in the Environment Variables.
MinGW is a port of GCC to Windows. It is free of charge and simple to use (well, as simple as toolchains ever get). It produces standalone Windows executables which may be distributed in any manner. MinGW's official website mingw-w64.org provides various builds, but I maintain my own distro because I demand complete control. (It's a long story, but mingw-w64 forked from mingw.org. Although my distro was based on mingw.org for many years, I now consider mingw-w64 to be the one true MinGW.)
I am working on learning the windows API and am using mingw as my compiler with Code::Blocks as my IDE. I have run into an issue with using the wWinMain function. I used the program located here link text. It compiles fine on VSC++ 2008 express but when using mingw i get the "undefined reference to WinMain@16" error. I have figured out what the problem is (i think). By replacing the wWinMain with just Winmain and the String pointer PWSTR with LPSTR it compiles perfectly. My question is, how can i fix this, and if not, is not using Unicode that big of a deal.
MinGW-w64 [mingw-w64.sourceforge.net] is a fork with the original aim to also support generation of 64 bit binaries. By now it also supports a much larger part of the Win32 API. The MinGW-w64 project does host several different binary packages, done by different people.
There are binary installers targetting MinGW for both Qt 4 and Qt 5. Up to Qt 4.8.6, Qt 4 ones are built with a MinGW.org toolchain using gcc 4.4. Newer Qt 4.8 binary packages ship with a mingw-w64 based toolchain. For Qt 5, a newer MinGW-w64 toolchain is actually required.
Throughout this article, the 32-bit toolchain has $outputarch == i686, the 64-bit toolchain has $outputarch == x86_64. As we only use MinGW-w64 as runtime, $runtime == w64. Don't be confused by mingw32, this is just a legacy name.
Crossdev will automatically create /etc/portage/package.keywords/cross-x86_64-w64-mingw32 and /etc/portage/package.use/cross-x86_64-w64-mingw32 (or their 32-bit counterparts). Since by default some critical use flags like sanitize, fortran or vtv are not disabled it might be necessary to override the auto created use flags by
MinGW-w64-runtime supplies some development tools and libraries, in particular a pthreads implementation which has features the one below does not. Before taking this step, make sure to backup the contents of /etc/portage/package.use/cross-x86_64-w64-mingw32 as this next step will overwrite it with a new line for the runtime. If this file isn't edited to add in the old contents back into this file, when doing an update looking for changes in use flags, emerge will try to re-emerge the compilers with the multilib flag on.
Various ebuilds support mingw or win32 targets, but different build systems often need different indicators. Ensuring the following are set in /usr/x86_64-w64-mingw32/etc/portage/profile/make.defaults should allow most build systems to detect the proper target. Note, some of these may have already been set by crossdev:
In the multilib case, emerge wants to move the executables specified in MULTILIB_CHOST_TOOLS. But when cross compiling with mingw32 the executables receive an extension .exe and emerge cannot find the file without extension and fails.If this sort of error is encountered, please post to the bug #588330 mentioning the package.In the meantime fix it by overlaying (see below) a custom ebuild, appending the extension $(get_exeext) to all files in MULTILIB_CHOST_TOOLS.
If issues cannot simply be fixed by overriding configure options, in some cases we have to override ebuilds. In order to do that we create a new ebuild repository which is only active for the cross environment! Since /usr/x86_64-w64-mingw32/usr/portage is empty, we will use this path.
This is another one of those necessary tool dependencies that isn't really needed in a mingw cross-build environment. Although mostly implemented in shell, there is a single compiled binary that fails due to missing POSIX API stuff, /sbin/consoletype. This package may be something that can be package.provided away, but to be on the safe side one can also overlay this ebuild and install a dummy script that echo's 'serial' and exists with code 1, in place of compiling consoletype.
If build failures related to missing symbols are seen in the libraries at installation time, this may be related to a need to clear the gtk.def file so that it can be regenerated properly by the build system. An easy way to do this without overlaying the ebuilds is to use the following script snippet in /usr/i686-w64-mingw32/etc/portage/bashrc:
These are "Standard GNU database libraries" according to Portage. Many libraries and applications depend on this. The package reportedly compiled successfully compiled in the past, but the current versions in Portage do not compile due to the package requiring a POSIX environment (which mingw is not). Patching is very much needed.
The libraries idl tools USE flags are required for cross-x86_64-w64-mingw32/mingw64-runtime to be able to get the pthread libraries[5], needed to build gcc with the posix thread model (see /etc/portage/package.use):
Future updates of cross-x86_64-w64-mingw32/gcc will remain posix, and cross-x86_64-w64-mingw32/mingw64-runtime will keep the needed libraries idl tools use flag toggles, since we updated properly the environment variables in /etc/portage/env, /etc/portage/package.env, and /etc/portage/package.use.
I cross-compiled a C++ program that used sqlite, fftw and glfw. The first two packages can be generated using emerged. I define the following USE flags in /usr/x86_64-w64-mingw32/etc/portage/package.use
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