xref: /openbmc/qemu/docs/meson.build (revision b3c818a4)
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  man_pages = {
50        'qemu-ga.8': (have_tools ? 'man8' : ''),
51        'qemu-ga-ref.7': 'man7',
52        'qemu-qmp-ref.7': 'man7',
53        'qemu-storage-daemon-qmp-ref.7': (have_tools ? 'man7' : ''),
54        'qemu-img.1': (have_tools ? 'man1' : ''),
55        'qemu-nbd.8': (have_tools ? 'man8' : ''),
56        'qemu-pr-helper.8': (have_tools ? 'man8' : ''),
57        'qemu-storage-daemon.1': (have_tools ? 'man1' : ''),
58        'qemu-trace-stap.1': (config_host.has_key('CONFIG_TRACE_SYSTEMTAP') ? 'man1' : ''),
59        'virtfs-proxy-helper.1': (have_virtfs_proxy_helper ? 'man1' : ''),
60        'virtiofsd.1': (have_virtiofsd ? 'man1' : ''),
61        'qemu.1': 'man1',
62        'qemu-block-drivers.7': 'man7',
63        'qemu-cpu-models.7': 'man7'
64  }
65
66  sphinxdocs = []
67  sphinxmans = []
68
69  private_dir = meson.current_build_dir() / 'manual.p'
70  output_dir = meson.current_build_dir() / 'manual'
71  input_dir = meson.current_source_dir()
72
73  this_manual = custom_target('QEMU manual',
74                build_by_default: build_docs,
75                output: 'docs.stamp',
76                input: files('conf.py'),
77                depfile: 'docs.d',
78                depend_files: sphinx_extn_depends,
79                command: [SPHINX_ARGS, '-Ddepfile=@DEPFILE@',
80                          '-Ddepfile_stamp=@OUTPUT0@',
81                          '-b', 'html', '-d', private_dir,
82                          input_dir, output_dir])
83  sphinxdocs += this_manual
84  install_subdir(output_dir, install_dir: qemu_docdir, strip_directory: true)
85
86  these_man_pages = []
87  install_dirs = []
88  foreach page, section : man_pages
89    these_man_pages += page
90    install_dirs += section == '' ? false : get_option('mandir') / section
91  endforeach
92
93  sphinxmans += custom_target('QEMU man pages',
94                              build_by_default: build_docs,
95                              output: these_man_pages,
96                              input: this_manual,
97                              install: build_docs,
98                              install_dir: install_dirs,
99                              command: [SPHINX_ARGS, '-b', 'man', '-d', private_dir,
100                                        input_dir, meson.current_build_dir()])
101
102  alias_target('sphinxdocs', sphinxdocs)
103  alias_target('html', sphinxdocs)
104  alias_target('man', sphinxmans)
105endif
106