43 lines
1.6 KiB
Markdown
43 lines
1.6 KiB
Markdown
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# C++ with Meson
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Install Meson and requirements
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```bash
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sudo apt install python3 python3-pip python3-setuptools python3-wheel ninja-build libgtk-3-dev
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```
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```bash
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pip3 install --user meson ninja
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```
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Everything installed right you can configure and build the build system by running `meson build`. If the folder `build` already exists, you can run `meson --reconfigure build` to let meson run the configuration again and update the build folder.
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With the build folder existing, `cd build` and run `ninja`. Ninja will gather all dependencies and build every executable for you at once. All executables are then gathered in your build folder. In short summary:
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```bash
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meson builddir && cd builddir
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meson compile
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meson test
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```
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## Hello World
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We start with the most basic programm "Hello World". First create the C file which holds the source.
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Then create a Meson build description and write it in a file called `meson.build`. That's all we need. Build the application with the command:
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```bash
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meson setup builddir
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cd builddir
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meson compile
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```
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Once the executable is built it run:
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```bash
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./demo
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```
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## Adding dependencies
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More complex programms need dependencies and other files. The Meson file includes all instructions to find and use libraries, like GTK+:
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```
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project('tutorial', 'c')
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gtkdep = dependency('gtk+-3.0')
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executable('demo', 'main.c', dependencies : gtkdep)
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```
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To add multiple libraries, simply use seperate `dependency()` calls
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```
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gtkdeps = [dependency('gtk+-3.0'), dependency('gtksourceview-3.0')]
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```
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All infos and more about Meson on their [Homepage](https://mesonbuild.com)
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