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notepad-plus-plus/BUILD.md

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How to build Notepad++
----------------------
There are two components that need to be built separately:
- `notepad++.exe`: (depends on `SciLexer.dll`)
- `SciLexer.dll` : (with nmake)
You can build Notepad++ with *or* without Boost - The release build of
Notepad++ is built **with** Boost.
Since `Notepad++` version 6.0, the build of `SciLexer.dll` that is distributed
uses features from Boost's `Boost.Regex` library.
You can build SciLexer.dll without Boost, ie. with its default POSIX regular
expression support instead of boost's PCRE one. This is useful if you would
like to debug Notepad++, but don't have boost.
## To build `notepad++.exe`:
1. Open [`PowerEditor\visual.net\notepadPlus.vcxproj`](https://github.com/notepad-plus-plus/notepad-plus-plus/blob/master/PowerEditor/visual.net/notepadPlus.vcxproj)
2. Build Notepad++ like a normal Visual Studio project.
## To build `SciLexer.dll` with boost:
Here are the instructions to build SciLexer.dll (for both 32-bit & 64-bit) for Notepad++:
1. Download the [Boost source code](https://www.boost.org/users/history/version_1_70_0.html).
2. Unzip boost. In my case, It's unzipped in `C:\sources\boost_1_70_0`
3. Build regex of boost. With the version 1.70, launch `bootstrap.bat` under the boost root, `b2.exe` will be generated beside of `bootstrap.bat`. For building boost PCRE lib, go into regex build directory by typing `cd C:\sources\boost_1_70_0\libs\regex\build` then launch `C:\sources\boost_1_70_0\b2.exe toolset=msvc link=static threading=multi runtime-link=static address-model=64 release stage`.
Note that **address-model=64** is optional if you want to build lib in 64 bits. For 32 bits build, just remove **address-model=64** from the command line.
4. Copy generated message from `C:\sources\boost_1_70_0\bin.v2\libs\regex\build\msvc-14.1\release\address-model-64\link-static\runtime-link-static\threading-multi\libboost_regex-vc141-mt-s-x64-1_70.lib` to `C:\tmp\boostregexLib\x64\`
5. Go in `scintilla\win32\` then run `nmake BOOSTPATH=your_boost_root_path BOOSTREGEXLIBPATH=your_built_lib_path -f scintilla.mak`. For example `nmake BOOSTPATH=C:\sources\boost_1_70_0\ BOOSTREGEXLIBPATH=C:\tmp\boostregexLib\x64\ -f scintilla.mak`
## To build `SciLexer.dll` *without* boost:
This will work with `notepad++.exe`, however some functionality in Notepad++ will be broken.
To build SciLexer.dll without PCRE support (for both 32-bit & 64-bit):
1. For 32-bit, open a command prompt *for building* ([a.k.a. the *Developer Command Prompt for VS2017*](https://msdn.microsoft.com/en-us/library/f2ccy3wt.aspx))
- From the IDE, you can do this by right clicking on a file in Solution Explorer,
and clicking "Open Command Prompt". This will open up a command prompt with all the proper environment variables.
- From the Windows Start screen/menu, type `Developer Command Prompt for VS2017`,
and click/select the result.
- From an *already open* command prompt, run `vcvarsall.bat`
(e.g. "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat").
For 64-bit, open *VS2017 x64 Native tool command prompt*.
2. Change directory (`cd` or `pushd`) to `scintilla\win32\`
3. Build `SciLexer.dll` with one of the following commands:
- `nmake -f scintilla.mak` (normal build)
- `nmake DEBUG=1 -f scintilla.mak` (debugging build)
4. Copy `SciLexer.dll` from `scintilla\bin\` to the same directory as `notepad++.exe`.
- For the `Unicode Release` configuration, the output directory
(where `notepad++.exe` is) is `PowerEditor\bin\`.
- For the `Unicode Debug` configuration, the output directory
(where `notepad++.exe` is) is `PowerEditor\visual.net\Unicode Debug\`.