- #CYGWIN INSTALLATION KEEP INSTALL#
- #CYGWIN INSTALLATION KEEP UPDATE#
- #CYGWIN INSTALLATION KEEP WINDOWS 10#
- #CYGWIN INSTALLATION KEEP ISO#
- #CYGWIN INSTALLATION KEEP DOWNLOAD#
#CYGWIN INSTALLATION KEEP INSTALL#
For SuperTest, search for and install the following packages: Do not try to install everything: it will take a long time and use a lot of space. It will then enter the package selector, which is used to add optional packages on top of Cygwin’s core packages.
#CYGWIN INSTALLATION KEEP DOWNLOAD#
The installation will ask for the installation root directory, the package download directory (the defaults work fine for these) and the download site (choose one nearby for fastest package downloads).
#CYGWIN INSTALLATION KEEP UPDATE#
It is useful to keep the installer after the initial install because it is also used to install additional packages when needed, and to update existing packages. It does not include the Cygwin packages – these are downloaded on-demand during the installation process. When compiling programs with a Cygwin native compiler, notice that the 64-bit data-model has a ‘long’ type of 64-bits (so pointers can be stored in ‘long’ variables), which is unlike Windows but common in other 64-bit systems.ĭownloading Cygwin results only in the Cygwin installer. INSTALLING CYGWINĬygwin comes in two flavors, 32 and 64-bit. Note that of course it can also be called from Windows, provided its path is in the PATH variable of Windows. In typical X-nix style, you can view its options with ‘ man cygpath’ from Cygwin’s command line shell. So, Cygwin’s home directory named ‘ /home/‘, is ‘ C:\cygwin64\home‘ in Windows.Ĭygwin has a command line tool called ‘ cygpath’, which translates paths from the Windows conventions to the POSIX conventions. Similarly, the Cygwin file system can be found in the directory ‘ C:\cygwin64‘ (assuming the default install directory for Cygwin). Standard system drive ‘C:’ is named ‘ /cygdrive/c/‘. The Windows top-level drives can be found in ‘ /cygdrive’. A number of typical POSIX directories, like ‘ /bin‘, can be found there. On the Cygwin side, it appears as if the file-system has a top-level directory slash (‘ /‘). These SuperTest script can call a Windows native compiler without problem.įurthermore, Cygwin does not modify the Windows file system, although it does present a different view of the file system. This is important when modifying SuperTest’s ‘compscript’ and ‘runscript’ in the Cygwin environment. Environment variables set in the Cygwin shell are exported to Windows programs. Windows programs can be called from the Cygwin command line shell, and Cygwin programs can be called from the DOS prompt. No native Windows programs use this DLL, so their behavior is unchanged.Īnother important aspect is that Cygwin programs (those that link against the DLL) run fine side by side with Windows programs. At run-time, the program links to the DLL to get the API translation. It makes it possible to compile a program written for POSIX and run it on Windows. This DLL contains the API (interface) that translates from POSIX to the underlying Windows system interface. Cygwin does add one DLL-library file to the Windows system. The Cygwin installation files are all in a separate directory, which can be removed at any time to remove Cygwin. The most important thing about Cygwin is to understand that it does not make modifications to the Windows system on which it is installed. Thus, it is also easy to have a test setup that includes both Linux and Windows compiler host environments and have them share interface and configuration files. Furthermore, with a little help from Cygwin, SuperTest can run on Windows too. The good thing of POSIX is that it is available out-of-the-box on almost every development platform other than Windows and so it is an obvious choice for the tools to run on. For these and other reasons, Windows is not compatible with POSIX. It also defines the interface to the file system, such as the convention to use the forward slash (‘ /‘) as a separator in directory paths, and a single new-line character (‘ \n‘) as a separator between lines in a text file. It defines command line tools and programmer interfaces to the Operating System.
#CYGWIN INSTALLATION KEEP ISO#
On this page, we explain how the POSIX version of SuperTest can be used with the POSIX interface provided by Cygwin.įirst of all, what is POSIX and why use it? POSIX is an ISO standardized system interface. There are several ways to add POSIX compatibility to Windows and you are free to use any of them. The POSIX version of SuperTest can also be installed on a Windows system using a Windows POSIX interface.
#CYGWIN INSTALLATION KEEP WINDOWS 10#
The native Windows version of SuperTest runs on 64-bit Windows 10 or higher and is installed like any other Windows application. SuperTest is available in two versions: a native Windows version and a POSIX version. USING POSIX SUPERTEST ON MICROSOFT WINDOWS