libcamera: Move Header generation utilities to utils

Move the GPL2 utilities which handle generation of controls, formats and
the top level libcamera header to the utils subtree.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

include/libcamera/meson.build

@@ -34,8 +34,6 @@ install_headers(libcamera_public_headers,
 #
 
 # control_ids.h and property_ids.h
-gen_controls = files('../../src/libcamera/gen-controls.py')
-
 control_source_files = [
     'control_ids',
     'property_ids',
@@ -57,8 +55,6 @@ endforeach
 libcamera_public_headers += control_headers
 
 # formats.h
-gen_formats = files('gen-formats.py')
-
 formats_h = custom_target('formats_h',
                           input : files(
                               '../../src/libcamera/formats.yaml',
@@ -72,8 +68,6 @@ formats_h = custom_target('formats_h',
 libcamera_public_headers += formats_h
 
 # libcamera.h
-gen_header = files('gen-header.sh')
-
 libcamera_h = custom_target('gen-header',
                             input : 'meson.build',
                             output : 'libcamera.h',

src/libcamera/meson.build

@@ -77,8 +77,6 @@ if libudev.found()
     ])
 endif
 
-gen_controls = files('gen-controls.py')
-
 control_sources = []
 
 foreach source : control_source_files

utils/meson.build

@@ -1,3 +1,8 @@
 # SPDX-License-Identifier: CC0-1.0
 
 subdir('ipu3')
+
+## Code generation
+gen_controls = files('gen-controls.py')
+gen_formats = files('gen-formats.py')
+gen_header = files('gen-header.sh')