Signed-off-by: Yonggang Luo <luoyonggang@gmail.com> Message-Id: <20201015220626.418-4-luoyonggang@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
		
			
				
	
	
		
			116 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Meson
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Meson
		
	
	
	
	
	
if get_option('sphinx_build') == ''
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  sphinx_build = find_program(['sphinx-build-3', 'sphinx-build'],
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                              required: get_option('docs'))
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else
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  sphinx_build = find_program(get_option('sphinx_build'),
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                              required: get_option('docs'))
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endif
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# Check if tools are available to build documentation.
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build_docs = false
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if sphinx_build.found()
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  SPHINX_ARGS = [sphinx_build]
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  # If we're making warnings fatal, apply this to Sphinx runs as well
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  if get_option('werror')
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    SPHINX_ARGS += [ '-W' ]
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  endif
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  # This is a bit awkward but works: create a trivial document and
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  # try to run it with our configuration file (which enforces a
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  # version requirement). This will fail if sphinx-build is too old.
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  run_command('mkdir', ['-p', tmpdir / 'sphinx'])
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  run_command('touch', [tmpdir / 'sphinx/index.rst'])
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  sphinx_build_test_out = run_command(SPHINX_ARGS + [
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    '-c', meson.current_source_dir(),
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    '-b', 'html', tmpdir / 'sphinx',
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    tmpdir / 'sphinx/out'])
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  build_docs = (sphinx_build_test_out.returncode() == 0)
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  if not build_docs
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    warning('@0@ exists but it is either too old or uses too old a Python version'.format(get_option('sphinx_build')))
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    if get_option('docs').enabled()
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      error('Install a Python 3 version of python-sphinx')
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    endif
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  endif
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endif
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if build_docs
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  SPHINX_ARGS += ['-Dversion=' + meson.project_version(), '-Drelease=' + config_host['PKGVERSION']]
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  sphinx_extn_depends = [ meson.source_root() / 'docs/sphinx/depfile.py',
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                          meson.source_root() / 'docs/sphinx/hxtool.py',
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                          meson.source_root() / 'docs/sphinx/kerneldoc.py',
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                          meson.source_root() / 'docs/sphinx/kernellog.py',
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                          meson.source_root() / 'docs/sphinx/qapidoc.py',
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                          meson.source_root() / 'docs/sphinx/qmp_lexer.py',
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                          qapi_gen_depends ]
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  configure_file(output: 'index.html',
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                 input: files('index.html.in'),
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                 configuration: {'VERSION': meson.project_version()},
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                 install_dir: qemu_docdir)
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  manuals = [ 'devel', 'interop', 'tools', 'specs', 'system', 'user' ]
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  man_pages = {
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    'interop' : {
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        'qemu-ga.8': (have_tools ? 'man8' : ''),
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        'qemu-ga-ref.7': 'man7',
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        'qemu-qmp-ref.7': 'man7',
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    },
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    'tools': {
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        'qemu-img.1': (have_tools ? 'man1' : ''),
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        'qemu-nbd.8': (have_tools ? 'man8' : ''),
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        'qemu-trace-stap.1': (config_host.has_key('CONFIG_TRACE_SYSTEMTAP') ? 'man1' : ''),
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        'virtfs-proxy-helper.1': (have_virtfs_proxy_helper ? 'man1' : ''),
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        'virtiofsd.1': (have_virtiofsd ? 'man1' : ''),
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    },
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    'system': {
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        'qemu.1': 'man1',
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        'qemu-block-drivers.7': 'man7',
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        'qemu-cpu-models.7': 'man7'
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    },
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  }
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  sphinxdocs = []
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  sphinxmans = []
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  foreach manual : manuals
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    private_dir = meson.current_build_dir() / (manual + '.p')
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    output_dir = meson.current_build_dir() / manual
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    input_dir = meson.current_source_dir() / manual
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    this_manual = custom_target(manual + ' manual',
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                build_by_default: build_docs,
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                output: [manual + '.stamp'],
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                input: [files('conf.py'), files(manual / 'conf.py')],
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                depfile: manual + '.d',
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                depend_files: sphinx_extn_depends,
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                command: [SPHINX_ARGS, '-Ddepfile=@DEPFILE@',
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                          '-Ddepfile_stamp=@OUTPUT0@',
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                          '-b', 'html', '-d', private_dir,
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                          input_dir, output_dir])
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    sphinxdocs += this_manual
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    if build_docs and manual != 'devel'
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      install_subdir(output_dir, install_dir: qemu_docdir)
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    endif
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    these_man_pages = []
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    install_dirs = []
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    foreach page, section : man_pages.get(manual, {})
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      these_man_pages += page
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      install_dirs += section == '' ? false : get_option('mandir') / section
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    endforeach
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    if these_man_pages.length() > 0
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      sphinxmans += custom_target(manual + ' man pages',
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                         build_by_default: build_docs,
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                         output: these_man_pages,
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                         input: this_manual,
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                         install: build_docs,
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                         install_dir: install_dirs,
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                         command: [SPHINX_ARGS, '-b', 'man', '-d', private_dir,
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                                   input_dir, meson.current_build_dir()])
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    endif
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  endforeach
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  alias_target('sphinxdocs', sphinxdocs)
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  alias_target('html', sphinxdocs)
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  alias_target('man', sphinxmans)
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endif
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