Don't force-build the man-pages, use option instead (#111)

meson.build

@@ -89,33 +89,34 @@ if get_option('fish-completions')
 endif
 
 # Man pages
-man_pages = get_option('man-pages')
-scdoc = dependency('scdoc', version: '>=1.9.2', native: true, required: man_pages)
-if scdoc.found()
-  scdoc_prog = find_program(scdoc.get_pkgconfig_variable('scdoc'), native: true)
-
-  mandir = get_option('mandir')
-  man_files = [
-    'swaync.1.scd',
-    'swaync.5.scd',
-    'swaync-client.1.scd',
-  ]
-
-  foreach filename : man_files
-    topic = filename.split('.')[-3].split('/')[-1]
-    section = filename.split('.')[-2]
-    output = '@0@.@1@'.format(topic, section)
-    message(mandir, section, '@0@/man@1@'.format(mandir, section))
-
-    custom_target(
-      output,
-      input: join_paths('man', filename),
-      output: output,
-      command: scdoc_prog,
-      install: true,
-      feed: true,
-      capture: true,
-      install_dir: '@0@/man@1@'.format(mandir, section)
-    )
-  endforeach
+if get_option('man-pages')
+  scdoc = dependency('scdoc', version: '>=1.9.2', native: true, required: true)
+  if scdoc.found()
+    scdoc_prog = find_program(scdoc.get_pkgconfig_variable('scdoc'), native: true)
+
+    mandir = get_option('mandir')
+    man_files = [
+      'swaync.1.scd',
+      'swaync.5.scd',
+      'swaync-client.1.scd',
+    ]
+
+    foreach filename : man_files
+      topic = filename.split('.')[-3].split('/')[-1]
+      section = filename.split('.')[-2]
+      output = '@0@.@1@'.format(topic, section)
+      message(mandir, section, '@0@/man@1@'.format(mandir, section))
+
+      custom_target(
+        output,
+        input: join_paths('man', filename),
+        output: output,
+        command: scdoc_prog,
+        install: true,
+        feed: true,
+        capture: true,
+        install_dir: '@0@/man@1@'.format(mandir, section)
+      )
+    endforeach
+  endif
 endif