goldendict-ng/website/docs/howto/build_from_source.md
shenleban tongying 6abe288f16 doc: add missing -
2024-09-11 20:27:15 -04:00

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The `release-*` and `PR-check-*` workflow files under `.github` in the source code has actual build & commands for reference.
## Dependencies
* C++17 compiler (For windows it must be MSVC)
* Latest QT6
For debian/ubuntu, those packages are needed
```shell
libavformat-dev libavutil-dev libbz2-dev libeb16-dev libhunspell-dev \
liblzma-dev liblzo2-dev libopencc-dev libvorbis-dev \
libx11-dev libxtst-dev libzim-dev libzstd-dev qt6-5compat-dev \
qt6-base-dev qt6-multimedia-dev qt6-speech-dev qt6-svg-dev \
qt6-tools-dev qt6-tools-dev-tools qt6-webchannel-dev \
qt6-webengine-dev x11proto-record-dev zlib1g-dev
```
In other words, those libraries
* ffmpeg
* libzim
* xapian
* hunspell
* opencc
* libeb
* libvorbis
* x11 (linux only)
And a few compression libraries:
* xz (lzma)
* bzip2
* lzo2
* zlib
## Build
Basically, you need those commands:
```shell
cd goldendict-ng && mkdir build_dir
# config step
cmake -S . -B build_dir
-G "Ninja"/"Unix Makefiles"/"Xcode"... (Optional)
--install-prefix=/usr/local/ (Optional)
-DCMAKE_BUILD_TYPE=Release (Optional)
# actual build
cmake --build build_dir
--parallel 7 (Optional if Ninja was chosen)
cmake --install ./build_dir/
```
### Feature flags
Append `-D{flag_names}=ON/OFF` to cmake's config step.
Available flags can be found on the top of `CMakeLists.txt`
### Windows
Install Qt6 (MSVC) through [Qt Online Installer](https://doc.qt.io/qt-6/get-and-install-qt.html) and add Qt's path to CMake
```
-DCMAKE_PREFIX_PATH=F:\Qt\6.4.1\msvc2019_64
```
#### Make the `.exe` runable
Call `cmake --install {the cmake output folder}` will copy all necessary dependencies to correct locations.
TODO: (untested) you can also `${Qt's install path}\Qt\6.5.2\msvc2019_64\bin` and vcpkg's bin paths to your PATH environment variable
Note that using `-G Ninja` in CMake is assumed to be used. TODO: MSBuild has minor bugs for being "Multi-Config".
#### Vcpkg
vcpkg is the primary method to build GoldenDict-ng's dependencies.
There are a few ways to use it.
First, just do nothing. Without any additional CMake config options, a pre-built cached version of vcpkg will be automatically obtained and setup.
Second, install vcpkg on your local machine, then set `CMAKE_TOOLCHAIN_FILE` as described [here](https://learn.microsoft.com/vcpkg/consume/manifest-mode?tabs=cmake%2Cbuild-MSBuild#2---integrate-vcpkg-with-your-build-system), which says append `-DCMAKE_TOOLCHAIN_FILE={Your vcpkg install location}/scripts/buildsystems/vcpkg.cmake` to CMake's config step. Note that this cost long time to build
### macOS
If you build in an IDE, then the created `GoldenDict.app` will be runnable from the IDE which set up necessary magics for you.
To make the `.app` runnable elsewhere, you can run `cmake --install build_dir/` which will invoke macdeployqt, ad-hoc code signing and various other things. The produced app will end up in `build_dir/redist/goldendict-ng.app`
To create `.dmg` installer, you have to have [create-dmg](https://github.com/create-dmg/create-dmg) installed on your machine, then also `cmake --install build_dir/`.