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Here’s a description of the command-line options passed to configure: gcc-4.9.2/configure -program-suffix=-4.9.2 -enable-languages=c,c++ -disable-bootstrap -disable-shared As the GCC documentation recommends, it’s best to configure and build GCC in another directory outside gcc-4.9.2, so that’s what we’ll do. That will create a subdirectory named gcc-4.9.2. Be patient with the tar command it takes several minutes. Keep in mind, though, that it’s always best to have the latest Cygwin packages installed when building the latest GCC. I used 4.9.2, but you can use any version you like. If you’re following this guide at a later date, there will surely be a more recent version of GCC available.

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To download and extract the latest GCC source code, enter the following commands in the Cygwin terminal. $ export http_proxy=$HTTP_PROXY https_proxy=$HTTP_PROXY ftp_proxy=$HTTP_PROXY This step is not needed if your machine is directly connected to the Internet. If your machine is located behind a proxy server, you must run the following command from the Cygwin terminal before proceeding – otherwise, wget won’t work. Open a Cygwin terminal, either from the Start menu or by running Cygwin.bat from the Cygwin installation folder.

CODEBLOCKS COMPILER INSTALLIEREN INSTALL

Download, Build and Install the Latest GCC To get a more recent version of GCC, you’ll have to compile it yourself, using the GCC compiler you already have. At the time of writing, that’s GCC 4.8.3.

It’s not the latest version of GCC it’s whatever version the Cygwin maintainers chose as their system compiler. Just open a Command Prompt (in Windows), navigate to the folder where the Cygwin installer is located, and run the following command: C:\cygwin64>setup-x86_64.exe -q -P wget -P gcc-g++ -P make -P diffutils -P libmpfr-devel -P libgmp-devel -P libmpc-develĪ window will pop up and download all the required packages along with their dependencies.Īt this point, you now have a working GCC compiler on your system. Next, you’ll need to add several packages to Cygwin. Alternatively, you can install a new instance of Cygwin in a different folder. If you already have Cygwin installed, it’s a good idea to re-run the installer to make sure it has the latest available packages. I suggest moving the installer to the same folder where you installed Cygwin itself typically C:\cygwin or C:\cygwin64. The installer is an executable named either setup-x86.exe or setup-x86_64.exe, and you’ll need it to add or remove Cygwin packages in the future.

We’ll add additional packages from the command line later.Īfter the Cygwin installer completes, it’s very important to keep the installer around. When you reach the “Select Packages” step (shown below), don’t bother selecting any packages yet. If your machine is located behind a proxy server, make sure to check “Use Internet Explorer Proxy Settings” when you get to the “Select Your Internet Connection” step.

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Cygwin’s setup wizard will walk you through a series of steps. Install Cygwinįirst, download and run either the 32- or 64-bit version of the Cygwin installer, depending on your version of Windows.

Test the new GCC compiler in C++14 mode using the -std=c++14 option.

From within Cygwin, download the GCC source code, build and install it.

Install a set of Cygwin packages required for building GCC.

Install Cygwin, which gives us a Unix-like environment running on Windows.

Depending on the speed of your machine, you can have the latest GCC up and running in as little as 15 minutes. You’ll need to compile GCC from sources, but that’s not a problem. The following guide will help you install the latest GCC on Windows, so you can experiment with generic lambdas and other cutting-edge C++ features. This feature is, however, available in the latest versions of GCC and Clang. Generic lambdas – also known as polymorphic lambdas – are one such feature. Several modern C++ features are currently missing from Visual Studio Express, and from the system GCC compiler provided with many of today’s Linux distributions.