xref: /openbmc/qemu/docs/meson.build (revision 7477477c)
1if get_option('sphinx_build') == ''
2  sphinx_build = find_program(['sphinx-build-3', 'sphinx-build'],
3                              required: get_option('docs'))
4else
5  sphinx_build = find_program(get_option('sphinx_build'),
6                              required: get_option('docs'))
7endif
8
9# Check if tools are available to build documentation.
10build_docs = false
11if sphinx_build.found()
12  SPHINX_ARGS = [sphinx_build]
13  # If we're making warnings fatal, apply this to Sphinx runs as well
14  if get_option('werror')
15    SPHINX_ARGS += [ '-W' ]
16  endif
17
18  # This is a bit awkward but works: create a trivial document and
19  # try to run it with our configuration file (which enforces a
20  # version requirement). This will fail if sphinx-build is too old.
21  run_command('mkdir', ['-p', tmpdir / 'sphinx'])
22  run_command('touch', [tmpdir / 'sphinx/index.rst'])
23  sphinx_build_test_out = run_command(SPHINX_ARGS + [
24    '-c', meson.current_source_dir(),
25    '-b', 'html', tmpdir / 'sphinx',
26    tmpdir / 'sphinx/out'])
27  build_docs = (sphinx_build_test_out.returncode() == 0)
28
29  if not build_docs
30    warning('@0@ exists but it is either too old or uses too old a Python version'.format(get_option('sphinx_build')))
31    if get_option('docs').enabled()
32      error('Install a Python 3 version of python-sphinx')
33    endif
34  endif
35endif
36
37if build_docs
38  SPHINX_ARGS += ['-Dversion=' + meson.project_version(), '-Drelease=' + config_host['PKGVERSION']]
39
40  sphinx_extn_depends = [ meson.source_root() / 'docs/sphinx/depfile.py',
41                          meson.source_root() / 'docs/sphinx/hxtool.py',
42                          meson.source_root() / 'docs/sphinx/kerneldoc.py',
43                          meson.source_root() / 'docs/sphinx/kernellog.py',
44                          meson.source_root() / 'docs/sphinx/qapidoc.py',
45                          meson.source_root() / 'docs/sphinx/qmp_lexer.py',
46                          qapi_gen_depends ]
47
48  configure_file(output: 'index.html',
49                 input: files('index.html.in'),
50                 configuration: {'VERSION': meson.project_version()},
51                 install_dir: qemu_docdir)
52  manuals = [ 'devel', 'interop', 'tools', 'specs', 'system', 'user' ]
53  man_pages = {
54    'interop' : {
55        'qemu-ga.8': (have_tools ? 'man8' : ''),
56        'qemu-ga-ref.7': 'man7',
57        'qemu-qmp-ref.7': 'man7',
58    },
59    'tools': {
60        'qemu-img.1': (have_tools ? 'man1' : ''),
61        'qemu-nbd.8': (have_tools ? 'man8' : ''),
62        'qemu-trace-stap.1': (config_host.has_key('CONFIG_TRACE_SYSTEMTAP') ? 'man1' : ''),
63        'virtfs-proxy-helper.1': (have_virtfs_proxy_helper ? 'man1' : ''),
64        'virtiofsd.1': (have_virtiofsd ? 'man1' : ''),
65    },
66    'system': {
67        'qemu.1': 'man1',
68        'qemu-block-drivers.7': 'man7',
69        'qemu-cpu-models.7': 'man7'
70    },
71  }
72
73  sphinxdocs = []
74  sphinxmans = []
75  foreach manual : manuals
76    private_dir = meson.current_build_dir() / (manual + '.p')
77    output_dir = meson.current_build_dir() / manual
78    input_dir = meson.current_source_dir() / manual
79
80    this_manual = custom_target(manual + ' manual',
81                build_by_default: build_docs,
82                output: [manual + '.stamp'],
83                input: [files('conf.py'), files(manual / 'conf.py')],
84                depfile: manual + '.d',
85                depend_files: sphinx_extn_depends,
86                command: [SPHINX_ARGS, '-Ddepfile=@DEPFILE@',
87                          '-Ddepfile_stamp=@OUTPUT0@',
88                          '-b', 'html', '-d', private_dir,
89                          input_dir, output_dir])
90    sphinxdocs += this_manual
91    if build_docs and manual != 'devel'
92      install_subdir(output_dir, install_dir: qemu_docdir)
93    endif
94
95    these_man_pages = []
96    install_dirs = []
97    foreach page, section : man_pages.get(manual, {})
98      these_man_pages += page
99      install_dirs += section == '' ? false : get_option('mandir') / section
100    endforeach
101    if these_man_pages.length() > 0
102      sphinxmans += custom_target(manual + ' man pages',
103                         build_by_default: build_docs,
104                         output: these_man_pages,
105                         input: this_manual,
106                         install: build_docs,
107                         install_dir: install_dirs,
108                         command: [SPHINX_ARGS, '-b', 'man', '-d', private_dir,
109                                   input_dir, meson.current_build_dir()])
110    endif
111  endforeach
112  alias_target('sphinxdocs', sphinxdocs)
113  alias_target('html', sphinxdocs)
114  alias_target('man', sphinxmans)
115endif
116