From e36676604683c1ee12963d83eaaf3d3c2a1790ce Mon Sep 17 00:00:00 2001 From: Yonggang Luo Date: Fri, 16 Oct 2020 06:06:25 +0800 Subject: [PATCH] meson: Move the detection logic for sphinx to meson Signed-off-by: Yonggang Luo Message-Id: <20201015220626.418-4-luoyonggang@gmail.com> Signed-off-by: Paolo Bonzini --- configure | 59 ++++------------------------------------------- docs/meson.build | 46 ++++++++++++++++++++++++++++++++++++ meson.build | 30 ++++++++---------------- meson_options.txt | 4 ++++ 4 files changed, 64 insertions(+), 75 deletions(-) diff --git a/configure b/configure index ed81af9c04..7b0589a0c4 100755 --- a/configure +++ b/configure @@ -297,7 +297,7 @@ brlapi="" curl="" iconv="auto" curses="auto" -docs="" +docs="auto" fdt="auto" netmap="no" sdl="auto" @@ -820,15 +820,6 @@ do fi done -sphinx_build= -for binary in sphinx-build-3 sphinx-build -do - if has "$binary" - then - sphinx_build=$(command -v "$binary") - break - fi -done # Check for ancillary tools used in testing genisoimage= @@ -1228,9 +1219,9 @@ for opt do ;; --disable-crypto-afalg) crypto_afalg="no" ;; - --disable-docs) docs="no" + --disable-docs) docs="disabled" ;; - --enable-docs) docs="yes" + --enable-docs) docs="enabled" ;; --disable-vhost-net) vhost_net="no" ;; @@ -4419,45 +4410,6 @@ if check_include linux/btrfs.h ; then btrfs=yes fi -# If we're making warnings fatal, apply this to Sphinx runs as well -sphinx_werror="" -if test "$werror" = "yes"; then - sphinx_werror="-W" -fi - -# Check we have a new enough version of sphinx-build -has_sphinx_build() { - # This is a bit awkward but works: create a trivial document and - # try to run it with our configuration file (which enforces a - # version requirement). This will fail if either - # sphinx-build doesn't exist at all or if it is too old. - mkdir -p "$TMPDIR1/sphinx" - touch "$TMPDIR1/sphinx/index.rst" - "$sphinx_build" $sphinx_werror -c "$source_path/docs" \ - -b html "$TMPDIR1/sphinx" \ - "$TMPDIR1/sphinx/out" >> config.log 2>&1 -} - -# Check if tools are available to build documentation. -if test "$docs" != "no" ; then - if has_sphinx_build; then - sphinx_ok=yes - else - sphinx_ok=no - fi - if test "$sphinx_ok" = "yes"; then - docs=yes - else - if test "$docs" = "yes" ; then - if has $sphinx_build && test "$sphinx_ok" != "yes"; then - echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2 - fi - feature_not_found "docs" "Install a Python 3 version of python-sphinx" - fi - docs=no - fi -fi - # Search for bswap_32 function byteswap_h=no cat > $TMPC << EOF @@ -6093,9 +6045,6 @@ qemu_version=$(head $source_path/VERSION) echo "PKGVERSION=$pkgversion" >>$config_host_mak echo "SRC_PATH=$source_path" >> $config_host_mak echo "TARGET_DIRS=$target_list" >> $config_host_mak -if [ "$docs" = "yes" ] ; then - echo "BUILD_DOCS=yes" >> $config_host_mak -fi if test "$modules" = "yes"; then # $shacmd can generate a hash started with digit, which the compiler doesn't # like as an symbol. So prefix it with an underscore @@ -6784,7 +6733,6 @@ fi echo "ROMS=$roms" >> $config_host_mak echo "MAKE=$make" >> $config_host_mak echo "PYTHON=$python" >> $config_host_mak -echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak echo "GENISOIMAGE=$genisoimage" >> $config_host_mak echo "MESON=$meson" >> $config_host_mak echo "NINJA=$ninja" >> $config_host_mak @@ -7066,6 +7014,7 @@ NINJA=$ninja $meson setup \ -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f \ -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt \ -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\ + -Ddocs=$docs -Dsphinx_build=$sphinx_build \ $cross_arg \ "$PWD" "$source_path" diff --git a/docs/meson.build b/docs/meson.build index 0340d489ac..8c222f96bb 100644 --- a/docs/meson.build +++ b/docs/meson.build @@ -1,4 +1,50 @@ +if get_option('sphinx_build') == '' + sphinx_build = find_program(['sphinx-build-3', 'sphinx-build'], + required: get_option('docs')) +else + sphinx_build = find_program(get_option('sphinx_build'), + required: get_option('docs')) +endif + +# Check if tools are available to build documentation. +build_docs = false +if sphinx_build.found() + SPHINX_ARGS = [sphinx_build] + # If we're making warnings fatal, apply this to Sphinx runs as well + if get_option('werror') + SPHINX_ARGS += [ '-W' ] + endif + + # This is a bit awkward but works: create a trivial document and + # try to run it with our configuration file (which enforces a + # version requirement). This will fail if sphinx-build is too old. + run_command('mkdir', ['-p', tmpdir / 'sphinx']) + run_command('touch', [tmpdir / 'sphinx/index.rst']) + sphinx_build_test_out = run_command(SPHINX_ARGS + [ + '-c', meson.current_source_dir(), + '-b', 'html', tmpdir / 'sphinx', + tmpdir / 'sphinx/out']) + build_docs = (sphinx_build_test_out.returncode() == 0) + + if not build_docs + warning('@0@ exists but it is either too old or uses too old a Python version'.format(get_option('sphinx_build'))) + if get_option('docs').enabled() + error('Install a Python 3 version of python-sphinx') + endif + endif +endif + if build_docs + SPHINX_ARGS += ['-Dversion=' + meson.project_version(), '-Drelease=' + config_host['PKGVERSION']] + + sphinx_extn_depends = [ meson.source_root() / 'docs/sphinx/depfile.py', + meson.source_root() / 'docs/sphinx/hxtool.py', + meson.source_root() / 'docs/sphinx/kerneldoc.py', + meson.source_root() / 'docs/sphinx/kernellog.py', + meson.source_root() / 'docs/sphinx/qapidoc.py', + meson.source_root() / 'docs/sphinx/qmp_lexer.py', + qapi_gen_depends ] + configure_file(output: 'index.html', input: files('index.html.in'), configuration: {'VERSION': meson.project_version()}, diff --git a/meson.build b/meson.build index 15732f4701..05fb59a00b 100644 --- a/meson.build +++ b/meson.build @@ -17,7 +17,13 @@ cc = meson.get_compiler('c') config_host = keyval.load(meson.current_build_dir() / 'config-host.mak') enable_modules = 'CONFIG_MODULES' in config_host enable_static = 'CONFIG_STATIC' in config_host -build_docs = 'BUILD_DOCS' in config_host + +# Temporary directory used for files created while +# configure runs. Since it is in the build directory +# we can safely blow away any previous version of it +# (and we need not jump through hoops to try to delete +# it when configure exits.) +tmpdir = meson.current_build_dir() / 'meson-private/temp' if get_option('qemu_suffix').startswith('/') error('qemu_suffix cannot start with a /') @@ -1266,22 +1272,6 @@ foreach d : hx_headers endforeach genh += hxdep -SPHINX_ARGS = [config_host['SPHINX_BUILD'], - '-Dversion=' + meson.project_version(), - '-Drelease=' + config_host['PKGVERSION']] - -if get_option('werror') - SPHINX_ARGS += [ '-W' ] -endif - -sphinx_extn_depends = [ meson.source_root() / 'docs/sphinx/depfile.py', - meson.source_root() / 'docs/sphinx/hxtool.py', - meson.source_root() / 'docs/sphinx/kerneldoc.py', - meson.source_root() / 'docs/sphinx/kernellog.py', - meson.source_root() / 'docs/sphinx/qapidoc.py', - meson.source_root() / 'docs/sphinx/qmp_lexer.py', - qapi_gen_depends ] - ################### # Collect sources # ################### @@ -1866,8 +1856,8 @@ endif subdir('scripts') subdir('tools') subdir('pc-bios') -subdir('tests') subdir('docs') +subdir('tests') if 'CONFIG_GTK' in config_host subdir('po') endif @@ -1949,7 +1939,7 @@ summary_info += {'QEMU_CFLAGS': config_host['QEMU_CFLAGS']} summary_info += {'QEMU_LDFLAGS': config_host['QEMU_LDFLAGS']} summary_info += {'make': config_host['MAKE']} summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())} -summary_info += {'sphinx-build': config_host['SPHINX_BUILD']} +summary_info += {'sphinx-build': sphinx_build.found()} summary_info += {'genisoimage': config_host['GENISOIMAGE']} # TODO: add back version summary_info += {'slirp support': slirp_opt == 'disabled' ? false : slirp_opt} @@ -2017,7 +2007,7 @@ if config_host.has_key('CONFIG_XEN_BACKEND') summary_info += {'xen ctrl version': config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']} endif summary_info += {'brlapi support': config_host.has_key('CONFIG_BRLAPI')} -summary_info += {'Documentation': config_host.has_key('BUILD_DOCS')} +summary_info += {'Documentation': build_docs} summary_info += {'PIE': get_option('b_pie')} summary_info += {'vde support': config_host.has_key('CONFIG_VDE')} summary_info += {'netmap support': config_host.has_key('CONFIG_NETMAP')} diff --git a/meson_options.txt b/meson_options.txt index 77b3fabd00..967229b66e 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -2,7 +2,11 @@ option('qemu_suffix', type : 'string', value: 'qemu', description: 'Suffix for QEMU data/modules/config directories (can be empty)') option('docdir', type : 'string', value : 'doc', description: 'Base directory for documentation installation (can be empty)') +option('sphinx_build', type : 'string', value : '', + description: 'Use specified sphinx-build [$sphinx_build] for building document (default to be empty)') +option('docs', type : 'feature', value : 'auto', + description: 'Documentations build support') option('gettext', type : 'boolean', value : true, description: 'Localization of the GTK+ user interface') option('sparse', type : 'feature', value : 'auto',