notepad-plus-plus/BUILD.md

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# Building Notepad++
## Microsoft Visual Studio
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**Pre-requisites:**
- Microsoft Visual Studio 2022 version 17.5 (C/C++ Compiler, v143 toolset for win32, x64, arm64)
There are three components which are built from one visual studio solution:
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- `notepad++.exe`: (contains `libSciLexer.lib`)
- `libScintilla.lib` : static library based on [Scintilla](https://www.scintilla.org/)
- `libLexilla.lib` : static library based on [Lexilla](https://www.scintilla.org/Lexilla.html)
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Notepad++ is always built **with** Boost regex PCRE support instead of default c++11 regex ECMAScript used by plain Scintilla.
### Build `notepad++.exe`
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1. Open [`PowerEditor\visual.net\notepadPlus.sln`](https://github.com/notepad-plus-plus/notepad-plus-plus/blob/master/PowerEditor/visual.net/notepadPlus.sln)
2. Select a solution configuration (Debug or Release) and a solution platform (x64 or Win32 or ARM64)
3. Build Notepad++ solution like a normal Visual Studio project. This will also build the dependent Scintilla and Lexilla projects.
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### Build `libScintilla.lib` and `libLexilla.lib`
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As mentioned above, you'll need `libScintilla.lib` and `libLexilla.lib` for the Notepad++ build. This is done automatically on building the whole solution. So normally you don't need to care about this.
#### Build `libScintilla.lib` with boost and `libLexilla.lib` via nmake
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This is not necessary any more and just here for completeness as this option is still available.
Boost is taken from [boost 1.80.0](https://www.boost.org/users/history/version_1_80_0.html) and stripped down to the project needs available at [boost](https://github.com/notepad-plus-plus/notepad-plus-plus/tree/master/boostregex/boost) in this repo.
1. Open the Developer Command Prompt for Visual Studio
2. Go into the [`scintilla\win32\`](https://github.com/notepad-plus-plus/notepad-plus-plus/blob/master/scintilla/win32/)
3. Build the same configuration as notepad++:
- Release: `nmake -f scintilla.mak`
- Debug: `nmake DEBUG=1 -f scintilla.mak`
- Example:
`nmake -f scintilla.mak`
4. Go into the [`lexilla\src\`](https://github.com/notepad-plus-plus/notepad-plus-plus/tree/master/lexilla/src/)
5. Build the same configuration as notepad++:
- Release: `nmake -f lexilla.mak`
- Debug: `nmake DEBUG=1 -f lexilla.mak`
### History
More about the previous build process: <https://community.notepad-plus-plus.org/topic/13959/building-notepad-with-visual-studio-2015-2017>
Since `Notepad++` version 6.0 - 7.9.5, the build of dynamic linked `SciLexer.dll` that is distributed
uses features from Boost's `Boost.Regex` library.
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## GCC
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If you have [MinGW-w64](https://www.mingw-w64.org/) installed, you can compile Notepad++ with GCC. Otherwise MinGW-w64 can be downloaded [here](https://sourceforge.net/projects/mingw-w64/files/). You can also download some collection of tools which supports MinGW-w64, like [MSYS2](https://www.msys2.org/) or [WinLibs](https://winlibs.com/).
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Building Notepad++ is regularly tested on a Windows system by using [MSYS2](https://www.msys2.org/) project. Current versions of tools used to building (such as GCC, Make or Bash) can be checked by looking at some logs from the finished building (for example in the [current-build page](https://ci.appveyor.com/project/donho/notepad-plus-plus)). Other versions may also work but are untested.
**Note:** Before building make sure that the system `PATH` environment variable contains `$MinGW-root$\bin` directory. Otherwise you have to set this directory yourself in Windows settings. You can also use a command like `set PATH=$MinGW-root$\bin;%PATH%` each time `cmd` is launched. But beware that if `PATH` contains several versions of MinGW-w64 GCC, only the first one will be usable.
### Compiling Notepad++ binary
1. Launch `cmd` and add `$MinGW-root$\bin` to `PATH` if necessary.
2. `cd` into `notepad-plus-plus\PowerEditor\gcc`.
3. Run `mingw32-make`.
4. The 32-bit or 64-bit `notepad++.exe` will be generated either in `bin.i686` or in `bin.x86_64` directory respectively, depending on the target CPU of the compiler — look for the full path to the resulting binary at the end of the build process.
#### Some additional information
- The directory containing `notepad++.exe` will also contain everything needed for Notepad++ to start.
- To have a debug build just add `DEBUG=1` to the `mingw32-make` invocation above. The output directory then will be suffixed with `-debug`.
- To see commands being executed add `VERBOSE=1` to the same command.
- When a project is built outside of the `PowerEditor/gcc` directory, for example when using `-f` option, then the entire project path must not contain any spaces. Additionally, the path to `makefile` of this project should be listed as first.
- When a project is built through MinGW-w64 with multilib support, a specific target can be forced by passing `TARGET_CPU` variable with `x86_64` or `i686` as value.