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Qt docs: we now use qt5-packages.nix

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Frederik Rietdijk 2021-01-10 15:43:31 +01:00
parent 8646eeebf5
commit df2b0589ae
1 changed files with 23 additions and 12 deletions
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35
doc/languages-frameworks/qt.section.md
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@ -92,32 +92,43 @@ mkDerivation {
}
```
## Adding a library to Nixpkgs
Add a Qt library to all-packages.nix by adding it to the collection inside `mkLibsForQt5`. This ensures that the library is built with every available version of Qt as needed.
### Example Adding a Qt library to all-packages.nix {#qt-library-all-packages-nix}
Qt libraries are added to `qt5-packages.nix` and are made available for every Qt
version supported.
### Example adding a Qt library {#qt-library-all-packages-nix}
The following represents the contents of `qt5-packages.nix`.
```
{
# ...
mkLibsForQt5 = self: with self; {
# ...
mylib = callPackage ../path/to/mylib {};
};
mylib = callPackage ../path/to/mylib {};
# ...
}
```
## Adding an application to Nixpkgs
Add a Qt application to *all-packages.nix* using `libsForQt5.callPackage` instead of the usual `callPackage`. The former ensures that all dependencies are built with the same version of Qt.
Applications that use Qt are also added to `qt5-packages.nix`. An alias is added
in the top-level `all-packages.nix` pointing to the package with the desired Qt5 version.
### Example Adding a QT application to all-packages.nix {#qt-application-all-packages-nix}
```nix
### Example adding a Qt application {#qt-application-all-packages-nix}
The following represents the contents of `qt5-packages.nix`.
```
{
# ...
myapp = libsForQt5.callPackage ../path/to/myapp/ {};
myapp = callPackage ../path/to/myapp {};
# ...
}
```
The following represents the contents of `all-packages.nix`.
```
{
# ...
myapp = libsForQt5.myapp;
# ...
}