diff --git a/Documentation/Doxyfile.in b/Documentation/Doxyfile.in
index 1447abdb7d8c..697a14d1dfe2 100644
--- a/Documentation/Doxyfile.in
+++ b/Documentation/Doxyfile.in
@@ -80,6 +80,7 @@ INCLUDE_FILE_PATTERNS  = *.h
 
 PREDEFINED             = __DOXYGEN__ \
                          __cplusplus \
-                         __attribute__(x)=
+                         __attribute__(x)= \
+			 @PREDEFINED@
 
 HAVE_DOT               = YES
diff --git a/Documentation/meson.build b/Documentation/meson.build
index 186461561f8d..d675f368cf79 100644
--- a/Documentation/meson.build
+++ b/Documentation/meson.build
@@ -16,6 +16,13 @@ if doxygen.found() and dot.found()
     cdata.set('TOP_BUILDDIR', meson.project_build_root())
     cdata.set('OUTPUT_DIR', meson.current_build_dir())
 
+    doxygen_predefined = []
+    foreach key : config_h.keys()
+        doxygen_predefined += '@0@=@1@'.format(key, config_h.get(key))
+    endforeach
+
+    cdata.set('PREDEFINED', ' \\\n\t\t\t '.join(doxygen_predefined))
+
     doxyfile = configure_file(input : 'Doxyfile.in',
                               output : 'Doxyfile',
                               configuration : cdata)
diff --git a/meson.build b/meson.build
index 9c1e708131eb..62db8ed8105d 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: CC0-1.0
 
 project('libcamera', 'c', 'cpp',
-    meson_version : '>= 0.56',
+    meson_version : '>= 0.57',
     version : '0.0.5',
     default_options : [
         'werror=true',