man: update man build

man/meson.build

@@ -0,0 +1,24 @@
+manpage_conf = configuration_data()
+manpage_conf.set('PACKAGE_NAME', meson.project_name())
+manpage_conf.set('PACKAGE_VERSION', meson.project_version())
+manpage_conf.set('PACKAGE_URL', 'http://pipewire.org')
+manpage_conf.set('top_srcdir', meson.source_root())
+manpage_conf.set('top_builddir', meson.build_root())
+
+manpages = ['pipewire.1',
+	    'pipewire-monitor.1' ]
+
+foreach m : manpages
+  infile = m + '.xml.in'
+  outfile = m + '.xml'
+  xml = configure_file(input : infile,
+		       output : outfile,
+		       configuration : manpage_conf)
+  custom_target(m + '.target',
+		output : m,
+		input : xml,
+		command : [xmltoman, '@INPUT@'],
+		capture : true,
+		install : true,
+		install_dir : 'subdir')
+endforeach