Generate man pages

README.md

@@ -11,6 +11,11 @@ Join the IRC channel: ##emersion on Freenode.
 
 ## Building
 
+Dependencies:
+
+* wayland-client
+* scdoc (optional, for man pages)
+
 ```sh
 meson build
 ninja -C build

meson.build

@@ -48,3 +48,35 @@ executable(
 	dependencies: [wayland_client, client_protos],
 	install: true,
 )
+
+scdoc = dependency(
+	'scdoc',
+	version: '>=1.9.2',
+	native: true,
+	required: get_option('man-pages'),
+)
+if scdoc.found()
+	scdoc_prog = find_program(scdoc.get_pkgconfig_variable('scdoc'), native: true)
+	sh = find_program('sh', native: true)
+	mandir = get_option('mandir')
+	man_files = [
+		'kanshi.1.scd',
+		'kanshi.5.scd',
+	]
+	foreach filename : man_files
+		topic = filename.split('.')[-3].split('/')[-1]
+		section = filename.split('.')[-2]
+		output = '@0@.@1@'.format(topic, section)
+
+		custom_target(
+			output,
+			input: filename,
+			output: output,
+			command: [
+				sh, '-c', '@0@ < @INPUT@ > @1@'.format(scdoc_prog.path(), output)
+			],
+			install: true,
+			install_dir: join_paths(mandir, section),
+		)
+	endforeach
+endif

meson_options.txt

@@ -0,0 +1 @@
+option('man-pages', type: 'feature', value: 'auto', description: 'Generate and install man pages')