Vala

Compiling Vala applications

Meson has experimental support for compiling Vala programs. A skeleton Vala file looks like this.

project('valaprog', ['vala', 'c'])

glib = dependency('glib-2.0')
gobject = dependency('gobject-2.0')

executable('valaprog', 'prog.vala',
           dependencies : [glib, gobject])

You must always specify glib and gobject as dependencies, because all Vala applications use them.

Using a custom VAPI

When dealing with libraries that are not providing Vala bindings, you can point --vapidir to a directory relative to meson.current_source_dir containing the binding and include a --pkg flag.

glib = dependency('glib-2.0')
gobject = dependency('gobject-2.0')
foo = dependency('foo')

executable('app',
           dependencies: [glib, gobject, foo]
           vala_args: ['--pkg=foo', '--vapidir=' + meson.current_source_dir()])

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