From 242f704e94de4236de1b1023edded874c0faf070 Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Wed, 12 Aug 2020 13:29:40 +0300
Subject: [PATCH] Make the documentation compilable on Windows

---
 CMakeCommon/FindSphinx.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/CMakeCommon/FindSphinx.cmake b/CMakeCommon/FindSphinx.cmake
index c719da855..bfd7a9acf 100644
--- a/CMakeCommon/FindSphinx.cmake
+++ b/CMakeCommon/FindSphinx.cmake
@@ -45,6 +45,13 @@ INCLUDE(FindPackageHandleStandardArgs)
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(Sphinx REQUIRED_VARS SPHINX_EXECUTABLE SPHINX_APIDOC_EXECUTABLE)
 
 IF(SPHINX_EXECUTABLE)
+  IF(WIN32)
+    # Call Sphinx through the Python executable to eliminate the problem related to starting the Sphinx's process.
+    GET_FILENAME_COMPONENT(_tmp_ROOT_DIR "${SPHINX_EXECUTABLE}" PATH)
+    GET_FILENAME_COMPONENT(_tmp_FILENAME "${SPHINX_EXECUTABLE}" NAME_WE)
+    SET(SPHINX_EXECUTABLE "${PYTHON_EXECUTABLE}" "${_tmp_ROOT_DIR}/${_tmp_FILENAME}-script.py")
+  ENDIF()
+
   EXECUTE_PROCESS(COMMAND ${SPHINX_EXECUTABLE} "--version" OUTPUT_VARIABLE SPHINX_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
   STRING(REGEX REPLACE ".* ([0-9.]+)$" "\\1" SPHINX_VERSION "${SPHINX_VERSION}" )
   MESSAGE(STATUS "Sphinx version is ${SPHINX_VERSION}")
-- 
2.39.2