From 27467ac7b41822db299a9cc70579f880162dd136 Mon Sep 17 00:00:00 2001
From: nirenjan <nirenjan@gmail.com>
Date: Fri, 21 Jun 2024 12:34:05 -0700
Subject: [PATCH] Add build for doxygen documentation

---
 libx52/libx52.h     |  1 -
 libx52io/libx52io.h |  1 -
 meson.build         | 22 ++++++++++++++++++++++
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/libx52/libx52.h b/libx52/libx52.h
index 94e4b4a..c92c48d 100644
--- a/libx52/libx52.h
+++ b/libx52/libx52.h
@@ -285,7 +285,6 @@ int libx52_init(libx52_device ** dev);
  * cause errors.
  *
  * @param[in]   dev     Pointer to the device context
- * @returns None
  */
 void libx52_exit(libx52_device *dev);
 
diff --git a/libx52io/libx52io.h b/libx52io/libx52io.h
index dff593b..2357ad9 100644
--- a/libx52io/libx52io.h
+++ b/libx52io/libx52io.h
@@ -303,7 +303,6 @@ int libx52io_init(libx52io_context **ctx);
  * cause errors.
  *
  * @param[in]   ctx     Pointer to the device context
- * @returns None
  */
 void libx52io_exit(libx52io_context *ctx);
 
diff --git a/meson.build b/meson.build
index bbecd0b..28ed526 100644
--- a/meson.build
+++ b/meson.build
@@ -366,3 +366,25 @@ if dep_udev.found()
   install_data(udev_file, install_dir: udev_rules_dir)
   meson.add_install_script('udev/install-hook.sh')
 endif
+
+#######################################################################
+# Documentation - doxygen
+#######################################################################
+if doxygen_program.found()
+  doxyfile = configure_file(
+    input: 'Doxyfile.in',
+    output: 'Doxyfile',
+    configuration: {
+      'PACKAGE_NAME': meson.project_name(),
+      'PACKAGE_VERSION': meson.project_version(),
+      'abs_top_builddir': meson.build_root(),
+      'abs_top_srcdir': meson.source_root(),
+    }
+  )
+
+  docs_tgt = custom_target('docs',
+    depend_files: [doxyfile, 'DoxygenLayout.xml'],
+    command: [doxygen_program],
+    output: 'docs'
+    )
+endif