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diff --git a/Windows/MinGW+MSYS.md b/Windows/MinGW+MSYS.md new file mode 100644 index 0000000..d2f682a --- /dev/null +++ b/Windows/MinGW+MSYS.md @@ -0,0 +1,27 @@ +# MinGW + MSYS - Build environment for Ngspice on Windows +> MSYS provides a Linux like shell and all the utilities required during the configure-make-make install process of Ngspice on Windows. + +> MinGW provides the GCC compiler required to build the Ngspice executable. + +[Download MinGW (unmodified)](https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/8.1.0/threads-posix/seh/x86_64-8.1.0-release-posix-seh-rt_v6-rev0.7z)\ +[Download MSYS (unmodified)](https://sourceforge.net/projects/mingw-w64/files/External%20binary%20packages%20%28Win64%20hosted%29/MSYS%20%2832-bit%29/MSYS-20111123.zip/download) + +**Reduced versions of MinGW and MSYS for NGHDL can be found in this repository under `sources/` folder.** + +## Usage of MinGW + MSYS +1. Add `/mingw64/bin/` and `/mingw64/msys/bin` to the path so that all the utilities are able to find each other. +2. Open Windows command prompt at the location you want to use `MinGW + MSYS`. +3. Execute the command to launch `bash` provided by MSYS at this location. + ```sh + > pathtoMSYS/bin/bash.exe + ``` + 4. This comand launches bash in the CMD window which can then be used as `BASH shell`, with commands similar to Linux. + + +## Reduction of MinGW + MSYS +> Originally MinGW and MSYS are provided for a large variety of development scenarios which are not required by NGHDL, causing size overheads in the final distribution. + +1. To remove unrequired parts of MSYS and MinGW, a trial and error based approach is to be followed. + +2. To start, both utilities should be reduced to the bare minimum required components which can be noted by studying the Ngspice configure file `(/ngspice/configure)`. +The rest of the utilities are to added by accessing the errors in the logs provided during the configure-make-make install process. |