From 86aa9bc35ba9dc9a57913a2ffc71619c7657cc35 Mon Sep 17 00:00:00 2001
From: Mathias Preiner <mathias.preiner@gmail.com>
Date: Wed, 21 Apr 2021 05:52:27 -0700
Subject: [PATCH] cmake: Add optional module name argument for
 check_python_module helper. (#6406)

Addtionally adds checks for required documentation modules.
---
 cmake/Helpers.cmake | 10 +++++++---
 docs/CMakeLists.txt |  2 ++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/cmake/Helpers.cmake b/cmake/Helpers.cmake
index 2a94839e2..bb102e482 100644
--- a/cmake/Helpers.cmake
+++ b/cmake/Helpers.cmake
@@ -191,13 +191,17 @@ function(check_python_module module)
       RET_MODULE_TEST
     ERROR_QUIET
   )
+  set(module_name ${ARGN})
+  if(NOT module_name)
+    set(module_name ${module})
+  endif()
 
   if(RET_MODULE_TEST)
     message(FATAL_ERROR
-        "Could not find module ${module} for Python "
+        "Could not find module ${module_name} for Python "
         "version ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}. "
-        "Make sure to install ${module} for this Python version "
-        "via \n`${PYTHON_EXECUTABLE} -m pip install ${module}'.\n"
+        "Make sure to install ${module_name} for this Python version "
+        "via \n`${PYTHON_EXECUTABLE} -m pip install ${module_name}'.\n"
         "Note: You need to have pip installed for this Python version.")
   endif()
 endfunction()
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index 2890148b7..4e18c0ba9 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -14,6 +14,8 @@
 ##
 find_package(Sphinx REQUIRED)
 check_python_module(breathe)
+check_python_module(sphinxcontrib.bibtex sphinxcontrib-bibtex)
+check_python_module(sphinx_tabs.tabs sphinx-tabs)
 
 add_subdirectory(cpp)
 
-- 
2.30.2