From 720b14db3ae282d6db25558e6c295886c68a9d93 Mon Sep 17 00:00:00 2001 From: Luca Boccassi Date: Tue, 11 Sep 2018 21:42:36 +0100 Subject: [PATCH] build: generate API documentation with meson Signed-off-by: Luca Boccassi Acked-by: Bruce Richardson --- doc/api/generate_doxygen.sh | 10 +++++++ doc/api/meson.build | 56 +++++++++++++++++++++++++++++++++++++ doc/build-sdk-meson.txt | 2 ++ doc/meson.build | 4 +++ meson.build | 3 ++ meson_options.txt | 2 ++ 6 files changed, 77 insertions(+) create mode 100755 doc/api/generate_doxygen.sh create mode 100644 doc/api/meson.build create mode 100644 doc/meson.build diff --git a/doc/api/generate_doxygen.sh b/doc/api/generate_doxygen.sh new file mode 100755 index 0000000000..ab57660958 --- /dev/null +++ b/doc/api/generate_doxygen.sh @@ -0,0 +1,10 @@ +#! /bin/sh -e +# SPDX-License-Identifier: BSD-3-Clause +# Copyright 2018 Luca Boccassi + +DOXYCONF=$1 +OUTDIR=$2 +SCRIPTCSS=$3 + +doxygen "${DOXYCONF}" +"${SCRIPTCSS}" "${OUTDIR}"/doxygen.css diff --git a/doc/api/meson.build b/doc/api/meson.build new file mode 100644 index 0000000000..13fcbb8cd7 --- /dev/null +++ b/doc/api/meson.build @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2018 Luca Boccassi + +doxygen = find_program('doxygen', required: get_option('enable_docs')) + +if doxygen.found() + # due to the CSS customisation script, which needs to run on a file that + # is in a subdirectory that is created at build time and thus it cannot + # be an individual custom_target, we need to wrap the doxygen call in a + # script to run the CSS modification afterwards + generate_doxygen = find_program('generate_doxygen.sh') + generate_examples = find_program('generate_examples.sh') + generate_css = find_program('doxy-html-custom.sh') + + inputdir = join_paths(meson.source_root(), 'examples') + htmldir = join_paths('share', 'doc', 'dpdk') + + # due to the following bug: https://github.com/mesonbuild/meson/issues/4107 + # if install is set to true it will override build_by_default and it will + # cause the target to always be built. If install were to be always set to + # false it would be impossible to install the docs. + # So use a configure option for now. + example = custom_target('examples.dox', + input: inputdir, + output: 'examples.dox', + command: [generate_examples, '@INPUT@', '@OUTPUT@'], + install: get_option('enable_docs'), + install_dir: htmldir, + build_by_default: false) + + cdata = configuration_data() + cdata.set('VERSION', meson.project_version()) + cdata.set('API_EXAMPLES', join_paths(meson.build_root(), 'doc', 'api', 'examples.dox')) + cdata.set('OUTPUT', join_paths(meson.build_root(), 'doc', 'api')) + cdata.set('HTML_OUTPUT', 'api') + cdata.set('TOPDIR', meson.source_root()) + cdata.set('STRIP_FROM_PATH', meson.source_root()) + + doxy_conf = configure_file(input: 'doxy-api.conf.in', + output: 'doxy-api.conf', + configuration: cdata, + install: false) + + doxy_build = custom_target('doxygen', + depends: example, + input: doxy_conf, + output: 'api', + command: [generate_doxygen, '@INPUT@', '@OUTPUT@', generate_css], + install: get_option('enable_docs'), + install_dir: htmldir, + build_by_default: false) + + run_target('doc', command: 'true', depends: doxy_build) +else + run_target('doc', command: ['echo', 'doxygen', 'not', 'found']) +endif diff --git a/doc/build-sdk-meson.txt b/doc/build-sdk-meson.txt index 9618e759ea..508e2cb642 100644 --- a/doc/build-sdk-meson.txt +++ b/doc/build-sdk-meson.txt @@ -85,6 +85,8 @@ Project-specific options are passed used -Doption=value:: meson -Dmax_lcores=8 smallbuild # scale build for smaller systems + meson -Denable_docs=true fullbuild # build and install docs + Examples of setting the same options using meson configure:: meson configure -Dwerror=true diff --git a/doc/meson.build b/doc/meson.build new file mode 100644 index 0000000000..afca2e7133 --- /dev/null +++ b/doc/meson.build @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2018 Luca Boccassi + +subdir('api') diff --git a/meson.build b/meson.build index 5f18172829..c9af33532d 100644 --- a/meson.build +++ b/meson.build @@ -34,6 +34,9 @@ subdir('usertools') subdir('app') subdir('test') +# build docs +subdir('doc') + # build any examples explicitly requested - useful for developers if get_option('examples') != '' subdir('examples') diff --git a/meson_options.txt b/meson_options.txt index f20887212a..d38ba56e29 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -2,6 +2,8 @@ option('allow_invalid_socket_id', type: 'boolean', value: false, description: 'allow out-of-range NUMA socket id\'s for platforms that don\'t report the value correctly') option('enable_kmods', type: 'boolean', value: true, description: 'build kernel modules') +option('enable_docs', type: 'boolean', value: false, + description: 'build documentation') option('examples', type: 'string', value: '', description: 'Comma-separated list of examples to build by default') option('include_subdir_arch', type: 'string', value: '', -- 2.20.1