systemd/man/meson.build
Zbigniew Jędrzejewski-Szmek 7c5fd25119 meson: do not fail if rsync is not installed with meson 0.57.2
https://github.com/mesonbuild/meson/issues/8641

Our CI started to fail. Even if the change is reverted in meson,
we need a quick workaround here.
2021-04-12 21:28:23 +01:00

213 lines
7.3 KiB
Meson

# SPDX-License-Identifier: LGPL-2.1-or-later
# This is lame, I know, but meson has no other include mechanism
subdir('rules')
want_man = get_option('man')
want_html = get_option('html')
xsltproc = find_program('xsltproc',
required : want_man == 'true' or want_html == 'true')
want_man = want_man != 'false' and xsltproc.found()
want_html = want_html != 'false' and xsltproc.found()
xsltproc_flags = [
'--nonet',
'--xinclude',
'--maxdepth', '9000',
'--stringparam', 'man.output.quietly', '1',
'--stringparam', 'funcsynopsis.style', 'ansi',
'--stringparam', 'man.authors.section.enabled', '0',
'--stringparam', 'man.copyright.section.enabled', '0',
'--stringparam', 'systemd.version', '@0@'.format(meson.project_version()),
'--path',
'@0@:@1@'.format(meson.current_build_dir(), meson.current_source_dir())]
custom_man_xsl = files('custom-man.xsl')
custom_html_xsl = files('custom-html.xsl')
xslt_cmd = [xsltproc, '-o', '@OUTPUT0@'] + xsltproc_flags
custom_entities_ent = configure_file(
input : 'custom-entities.ent.in',
output : 'custom-entities.ent',
configuration : conf)
man_pages = []
html_pages = []
source_xml_files = []
dbus_docs = []
foreach tuple : xsltproc.found() ? manpages : []
stem = tuple[0]
section = tuple[1]
aliases = tuple[2]
condition = tuple[3]
xml = stem + '.xml'
html = stem + '.html'
man = stem + '.' + section
manaliases = []
htmlaliases = []
foreach alias : aliases
manaliases += alias + '.' + section
htmlaliases += alias + '.html'
endforeach
mandirn = join_paths(get_option('mandir'), 'man' + section)
if condition == '' or conf.get(condition) == 1
p1 = custom_target(
man,
input : xml,
output : [man] + manaliases,
command : xslt_cmd + [custom_man_xsl, '@INPUT@'],
depend_files : custom_entities_ent,
install : want_man,
install_dir : mandirn)
man_pages += p1
p2 = []
foreach htmlalias : htmlaliases
link = custom_target(
htmlalias,
output : htmlalias,
command : ['ln', '-fs', html, '@OUTPUT@'])
if want_html
dst = join_paths(docdir, 'html', htmlalias)
cmd = 'ln -fs @0@ $DESTDIR@1@'.format(html, dst)
meson.add_install_script('sh', '-c', cmd)
p2 += link
endif
html_pages += link
endforeach
p3 = custom_target(
html,
input : xml,
output : html,
command : xslt_cmd + [custom_html_xsl, '@INPUT@'],
depend_files : custom_entities_ent,
depends : p2,
install : want_html,
install_dir : join_paths(docdir, 'html'))
html_pages += p3
file = files(tuple[0] + '.xml')
source_xml_files += file
if tuple[0].startswith('org.freedesktop.')
dbus_docs += file
endif
else
message('Skipping @0@.@1@ because @2@ is false'.format(stem, section, condition))
endif
endforeach
############################################################
have_lxml = run_command(xml_helper_py).returncode() == 0
if not have_lxml
message('python-lxml not available, not making man page indices')
endif
systemd_directives_xml = custom_target(
'systemd.directives.xml',
input : ['directives-template.xml', source_xml_files],
output : 'systemd.directives.xml',
command : [make_directive_index_py, '@OUTPUT@', '@INPUT@'])
nonindex_xml_files = source_xml_files + [systemd_directives_xml]
systemd_index_xml = custom_target(
'systemd.index.xml',
input : nonindex_xml_files,
output : 'systemd.index.xml',
command : [make_man_index_py, '@OUTPUT@'] + nonindex_xml_files)
foreach tuple : xsltproc.found() ? [['systemd.directives', '7', systemd_directives_xml],
['systemd.index', '7', systemd_index_xml]] : []
stem = tuple[0]
section = tuple[1]
xml = tuple[2]
html = stem + '.html'
man = stem + '.' + section
mandirn = join_paths(get_option('mandir'), 'man' + section)
p1 = custom_target(
man,
input : xml,
output : man,
command : xslt_cmd + [custom_man_xsl, '@INPUT@'],
install : want_man and have_lxml,
install_dir : mandirn)
man_pages += p1
p2 = []
if html == 'systemd.index.html'
htmlalias = 'index.html'
link = custom_target(
htmlalias,
input : p2,
output : htmlalias,
command : ['ln', '-fs', html, '@OUTPUT@'])
if want_html
dst = join_paths(docdir, 'html', htmlalias)
cmd = 'ln -fs @0@ $DESTDIR@1@'.format(html, dst)
meson.add_install_script('sh', '-c', cmd)
p2 += link
endif
html_pages += link
endif
p3 = custom_target(
html,
input : xml,
output : html,
command : xslt_cmd + [custom_html_xsl, '@INPUT@'],
depend_files : custom_entities_ent,
depends : p2,
install : want_html and have_lxml,
install_dir : join_paths(docdir, 'html'))
html_pages += p3
endforeach
# Cannot use run_target because those targets are used in depends
# Also see https://github.com/mesonbuild/meson/issues/368.
man = custom_target(
'man',
output : 'man',
depends : man_pages,
command : ['echo'])
html = custom_target(
'html',
output : 'html',
depends : html_pages,
command : ['echo'])
rsync = find_program('rsync', required : false)
if rsync.found()
run_target(
'doc-sync',
depends : man_pages + html_pages,
command : [rsync, '-rlv',
'--delete-excluded',
'--include=man',
'--include=*.html',
'--exclude=*',
'--omit-dir-times',
meson.current_build_dir(),
get_option('www-target')])
endif
############################################################
configure_file(
input : 'man.in',
output : 'man',
configuration : substs)
configure_file(
input : 'html.in',
output : 'html',
configuration : substs)