Both a configuration-time "enable_docs" boolean option and an optional
'ninja doc' target are available. Note that due to a Meson bug for now
the latter will only build, but not install the files.
Signed-off-by: Luca Boccassi <bl...@debian.org>
---
doc/api/generate_doxygen.sh | 10 ++++++++
doc/api/meson.build | 51 +++++++++++++++++++++++++++++++++++++
doc/build-sdk-meson.txt | 2 ++
doc/meson.build | 4 +++
meson.build | 3 +++
meson_options.txt | 2 ++
6 files changed, 72 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 <bl...@debian.org>
+
+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..e44963e4a9
--- /dev/null
+++ b/doc/api/meson.build
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Luca Boccassi <bl...@debian.org>
+
+# 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')
+doxygen = find_program('doxygen')
+
+inputdir = join_paths(meson.source_root(), 'examples')
+htmldir = join_paths('doc', 'html')
+
+# 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)
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 <bl...@debian.org>
+
+subdir('api')
diff --git a/meson.build b/meson.build
index 9999e8640a..09506ec48c 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: '',
--
2.18.0
