xref: /openbmc/qemu/docs/meson.build (revision c63ca4ff)
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 = ['env', 'CONFDIR=' + qemu_confdir, 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@ is either too old or uses too old a Python version'
31            .format(sphinx_build.full_path()))
32    if get_option('docs').enabled()
33      error('Install a Python 3 version of python-sphinx')
34    endif
35  endif
36endif
37
38if build_docs
39  SPHINX_ARGS += ['-Dversion=' + meson.project_version(), '-Drelease=' + config_host['PKGVERSION']]
40
41  sphinx_extn_depends = [ meson.source_root() / 'docs/sphinx/depfile.py',
42                          meson.source_root() / 'docs/sphinx/hxtool.py',
43                          meson.source_root() / 'docs/sphinx/kerneldoc.py',
44                          meson.source_root() / 'docs/sphinx/kernellog.py',
45                          meson.source_root() / 'docs/sphinx/qapidoc.py',
46                          meson.source_root() / 'docs/sphinx/qmp_lexer.py',
47                          qapi_gen_depends ]
48
49  configure_file(output: 'index.html',
50                 input: files('index.html.in'),
51                 configuration: {'VERSION': meson.project_version()},
52                 install_dir: qemu_docdir)
53  manuals = [ 'devel', 'interop', 'tools', 'specs', 'system', 'user' ]
54  man_pages = {
55    'interop' : {
56        'qemu-ga.8': (have_tools ? 'man8' : ''),
57        'qemu-ga-ref.7': 'man7',
58        'qemu-qmp-ref.7': 'man7',
59    },
60    'tools': {
61        'qemu-img.1': (have_tools ? 'man1' : ''),
62        'qemu-nbd.8': (have_tools ? 'man8' : ''),
63        'qemu-pr-helper.8': (have_tools ? 'man8' : ''),
64        'qemu-trace-stap.1': (config_host.has_key('CONFIG_TRACE_SYSTEMTAP') ? 'man1' : ''),
65        'virtfs-proxy-helper.1': (have_virtfs_proxy_helper ? 'man1' : ''),
66        'virtiofsd.1': (have_virtiofsd ? 'man1' : ''),
67    },
68    'system': {
69        'qemu.1': 'man1',
70        'qemu-block-drivers.7': 'man7',
71        'qemu-cpu-models.7': 'man7'
72    },
73  }
74
75  sphinxdocs = []
76  sphinxmans = []
77  foreach manual : manuals
78    private_dir = meson.current_build_dir() / (manual + '.p')
79    output_dir = meson.current_build_dir() / manual
80    input_dir = meson.current_source_dir() / manual
81
82    this_manual = custom_target(manual + ' manual',
83                build_by_default: build_docs,
84                output: [manual + '.stamp'],
85                input: [files('conf.py'), files(manual / 'conf.py')],
86                depfile: manual + '.d',
87                depend_files: sphinx_extn_depends,
88                command: [SPHINX_ARGS, '-Ddepfile=@DEPFILE@',
89                          '-Ddepfile_stamp=@OUTPUT0@',
90                          '-b', 'html', '-d', private_dir,
91                          input_dir, output_dir])
92    sphinxdocs += this_manual
93    if build_docs and manual != 'devel'
94      install_subdir(output_dir, install_dir: qemu_docdir)
95    endif
96
97    these_man_pages = []
98    install_dirs = []
99    foreach page, section : man_pages.get(manual, {})
100      these_man_pages += page
101      install_dirs += section == '' ? false : get_option('mandir') / section
102    endforeach
103    if these_man_pages.length() > 0
104      sphinxmans += custom_target(manual + ' man pages',
105                         build_by_default: build_docs,
106                         output: these_man_pages,
107                         input: this_manual,
108                         install: build_docs,
109                         install_dir: install_dirs,
110                         command: [SPHINX_ARGS, '-b', 'man', '-d', private_dir,
111                                   input_dir, meson.current_build_dir()])
112    endif
113  endforeach
114  alias_target('sphinxdocs', sphinxdocs)
115  alias_target('html', sphinxdocs)
116  alias_target('man', sphinxmans)
117endif
118