[PATCH 4/4] meson: Generate man pages

[Emmanuele Bassi]

From: Emmanuele Bassi <ebassi at gnome.org>

There are ancillary man pages not built by Doxygen that we need to
generate an install.
---
 doc/man/meson.build | 64 +++++++++++++++++++++++++++++++++++++++++++++
 doc/meson.build     |  1 +
 2 files changed, 65 insertions(+)
 create mode 100644 doc/man/meson.build

diff --git a/doc/man/meson.build b/doc/man/meson.build
new file mode 100644
index 0000000..211dc20
--- /dev/null
+++ b/doc/man/meson.build
@@ -0,0 +1,64 @@
+xsltproc = find_program('xsltproc', required: false)
+
+manpage_xsl = 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl'
+man_pages = []
+
+if xsltproc.found()
+  cmd = run_command([xsltproc, '--nonet', manpage_xsl])
+  have_manpage_xsl = cmd.returncode() == 0
+else
+  warning('No docbook stylesheet found for generating man pages')
+  have_manpage_xsl = false
+endif
+
+if have_manpage_xsl
+  # man section, [ [ xml_file, name, alias ] ]
+  man_pages += [
+    [
+      '3', [
+        [ 'wl_display_connect.xml', 'wl_display_connect', 'wl_display_connect_to_fd' ],
+      ],
+    ]
+  ]
+endif
+
+xsltproc_opts = [
+  '--nonet',
+  '--stringparam', 'man.authors.section.enabled', '0',
+  '--stringparam', 'man.copyright.section.enabled', '0',
+  '--stringparam', 'funcsynopsis.style', 'ansi',
+  '--stringparam', 'man.output.quietly', '1',
+]
+
+foreach section: man_pages
+  section_number = section[0]
+  pages = section.get(1, [])
+
+  foreach page: pages
+    xml_input = page[0]
+    name = page[1]
+    alias = page.get(2, '')
+
+    man_output = name + '.' + section_number
+    if alias != ''
+      alias_output = alias + '.' + section_number
+    else
+      alias_output = []
+    endif
+
+    man_page = custom_target(name + '-man',
+      command: [
+        xsltproc,
+        xsltproc_opts,
+        '-o', '@OUTPUT0@',
+        manpage_xsl,
+        '@INPUT@',
+      ],
+      input: xml_input,
+      output: [ man_output, alias_output ],
+      install: true,
+      install_dir: join_paths(get_option('prefix'), get_option('mandir'), 'man' + section_number),
+      build_by_default: true,
+    )
+  endforeach
+endforeach
diff --git a/doc/meson.build b/doc/meson.build
index f05c57b..a192880 100644
--- a/doc/meson.build
+++ b/doc/meson.build
@@ -1 +1,2 @@
 subdir('doxygen')
+subdir('man')
-- 
2.17.0