From 1c523aa681dc6b06c179528cb2843cb433e5717b Mon Sep 17 00:00:00 2001
From: Albert GitHub <albert.tests@gmail.com>
Date: Tue, 28 Jan 2025 15:43:08 -0500
Subject: [PATCH] ENH: Speed up documentation generation by using
 multiprocessing

---
 Utilities/Doxygen/DoxygenConfig.cmake | 1 +
 Wrapping/DoxygenConfig.cmake          | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Utilities/Doxygen/DoxygenConfig.cmake b/Utilities/Doxygen/DoxygenConfig.cmake
index 604e38a7add..8e5ab597cb7 100644
--- a/Utilities/Doxygen/DoxygenConfig.cmake
+++ b/Utilities/Doxygen/DoxygenConfig.cmake
@@ -9,6 +9,7 @@ set(DOXYGEN_BRIEF_MEMBER_DESC "NO")
 set(DOXYGEN_FULL_PATH_NAMES "NO")
 set(DOXYGEN_STRIP_FROM_PATH "${ITK_BINARY_DIR}/Utilities/")
 set(DOXYGEN_TAB_SIZE "2")
+set(DOXYGEN_NUM_PROC_THREADS "0")
 set(DOXYGEN_ALIASES
     "starteraliasnotused=@par not used"
     "wiki=\\par Wiki Examples:<br> ^^ \\li <a href=\\\"https://www.itk.org/Wiki/ITK/Examples\\\">All Media Wiki Examples</a> ^^"
diff --git a/Wrapping/DoxygenConfig.cmake b/Wrapping/DoxygenConfig.cmake
index e796414271a..436143d34ee 100644
--- a/Wrapping/DoxygenConfig.cmake
+++ b/Wrapping/DoxygenConfig.cmake
@@ -9,6 +9,7 @@ set(DOXYGEN_BRIEF_MEMBER_DESC "NO")
 set(DOXYGEN_FULL_PATH_NAMES "NO")
 set(DOXYGEN_STRIP_FROM_PATH "${ITK_BINARY_DIR}/Utilities/")
 set(DOXYGEN_TAB_SIZE "2")
+set(DOXYGEN_NUM_PROC_THREADS "0")
 set(DOXYGEN_ALIASES
     "starteraliasnotused=@par not used"
     "wiki=\\par Wiki Examples:<br> ^^ \\li <a href=\\\"https://www.itk.org/Wiki/ITK/Examples\\\">All Media Wiki Examples</a> ^^"