1 files changed, 55 insertions, 0 deletions
diff --git a/doc/api/meson.build b/doc/api/meson.build
new file mode 100644
index 00000000..30bdc573
--- /dev/null
+++ b/doc/api/meson.build
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Luca Boccassi <bluca@debian.org>
+
+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)
+
+	doc_targets += doxy_build
+	doc_target_names += 'Doxygen_API'
+endif