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wrap: Update doc to give dependency_names example first

This commit is contained in:
Xavier Claessens 2020-06-12 11:57:25 -04:00
parent 41aefd2145
commit 95c3fee47d
1 changed files with 13 additions and 13 deletions
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26
docs/markdown/Wrap-dependency-system-manual.md
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@ -156,8 +156,19 @@ where `dependency_name` usually match the corresponding pkg-config name and
`variable_name` is the name of a variable defined in the subproject that should
be returned for that dependency.
For example `glib.wrap` provides `glib-2.0`, `gobject-2.0` and `gio-2.0`. A wrap
file for glib would look like:
For example when using a recent enough version of glib that uses
`meson.override_dependency()` to override `glib-2.0`, `gobject-2.0` and `gio-2.0`,
a wrap file would look like:
```ini
[wrap-git]
url=https://gitlab.gnome.org/GNOME/glib.git
revision=glib-2-62
[provide]
dependency_names = glib-2.0, gobject-2.0, gio-2.0
```
With older version of glib dependency variable names need to be specified:
```ini
[wrap-git]
url=https://gitlab.gnome.org/GNOME/glib.git
@ -169,17 +180,6 @@ gobject-2.0=gobject_dep
gio-2.0=gio_dep
```
Alternatively, when using a recent enough version of glib that uses
`meson.override_dependency()`:
```ini
[wrap-git]
url=https://gitlab.gnome.org/GNOME/glib.git
revision=glib-2-62
[provide]
dependency_names = glib-2.0, gobject-2.0, gio-2.0
```
With such wrap file, `dependency('glib-2.0')` will automatically fallback to use
`glib.wrap` and return `glib_dep` variable from the subproject.