From d1bece92d508edec5a390783ffb245acf22ac5ac Mon Sep 17 00:00:00 2001
From: Marc Chevrier <marc.chevrier@gmail.com>
Date: Fri, 9 Jul 2021 17:31:20 +0200
Subject: UseSWIG: Use swig generated dependencies for Visual Studio

---
 Help/release/dev/UseSWIG-dependencies.rst |  6 ++++++
 Modules/UseSWIG.cmake                     | 25 ++++++++++++++++++-------
 Tests/UseSWIG/CMakeLists.txt              |  2 +-
 3 files changed, 25 insertions(+), 8 deletions(-)
 create mode 100644 Help/release/dev/UseSWIG-dependencies.rst

diff --git a/Help/release/dev/UseSWIG-dependencies.rst b/Help/release/dev/UseSWIG-dependencies.rst
new file mode 100644
index 0000000..a3ec29e
--- /dev/null
+++ b/Help/release/dev/UseSWIG-dependencies.rst
@@ -0,0 +1,6 @@
+UseSWIG-dependencies
+--------------------
+
+* :module:`UseSWIG` module gained the capability, for
+  :ref:`Visual Studio Generators` to use `swig` tool to generate implicit
+  dependencies.
diff --git a/Modules/UseSWIG.cmake b/Modules/UseSWIG.cmake
index 5c8f152..9808861 100644
--- a/Modules/UseSWIG.cmake
+++ b/Modules/UseSWIG.cmake
@@ -192,12 +192,17 @@ ensure generated files will receive the required settings.
   If set to ``TRUE``, implicit dependencies are generated by the ``swig`` tool
   itself. This property is only meaningful for
   :ref:`Makefile <Makefile Generators>`,
-  :ref:`Ninja <Ninja Generators>` and :generator:`Xcode` generators. Default
-  value is ``FALSE``.
+  :ref:`Ninja <Ninja Generators>`, :generator:`Xcode`, and
+  :ref:`Visual Studio <Visual Studio Generators>`
+  (:generator:`Visual Studio 11 2012` and above) generators. Default value is
+  ``FALSE``.
 
   .. versionadded:: 3.21
     Added the support of :generator:`Xcode` generator.
 
+  .. versionadded:: 3.22
+    Added the support of :ref:`Visual Studio Generators`.
+
 ``SWIG_MODULE_NAME``
   Specify the actual import name of the module in the target language.
   This is required if it cannot be scanned automatically from source
@@ -342,8 +347,10 @@ as well as ``SWIG``:
   If set to ``TRUE``, implicit dependencies are generated by the ``swig`` tool
   itself. This variable is only meaningful for
   :ref:`Makefile <Makefile Generators>`,
-  :ref:`Ninja <Ninja Generators>` and :generator:`Xcode` generators. Default
-  value is ``FALSE``.
+  :ref:`Ninja <Ninja Generators>`, :generator:`Xcode`, and
+  :ref:`Visual Studio <Visual Studio Generators>`
+  (:generator:`Visual Studio 11 2012` and above) generators. Default value is
+  ``FALSE``.
 
   Source file property ``USE_SWIG_DEPENDENCIES``, if not defined, will be
   initialized with the value of this variable.
@@ -351,6 +358,9 @@ as well as ``SWIG``:
   .. versionadded:: 3.21
     Added the support of :generator:`Xcode` generator.
 
+  .. versionadded:: 3.22
+    Added the support of :ref:`Visual Studio Generators`.
+
 #]=======================================================================]
 
 cmake_policy(PUSH)
@@ -515,7 +525,7 @@ function(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
   endif()
 
   set (use_swig_dependencies ${SWIG_USE_SWIG_DEPENDENCIES})
-  if (CMAKE_GENERATOR MATCHES "Make|Ninja|Xcode")
+  if (CMAKE_GENERATOR MATCHES "Make|Ninja|Xcode|Visual Studio (1[1-9]|[2-9][0-9])")
     get_property(use_swig_dependencies_set SOURCE "${infile}" PROPERTY USE_SWIG_DEPENDENCIES SET)
     if (use_swig_dependencies_set)
       get_property(use_swig_dependencies SOURCE "${infile}" PROPERTY USE_SWIG_DEPENDENCIES)
@@ -840,8 +850,9 @@ function(SWIG_ADD_LIBRARY name)
     set(SWIG_SOURCE_FILE_EXTENSIONS ".i")
   endif()
 
-  if (CMAKE_GENERATOR MATCHES "Make|Ninja|Xcode")
-    # For Makefiles and Ninja generators, use SWIG generated dependencies
+  if (CMAKE_GENERATOR MATCHES "Make|Ninja|Xcode|Visual Studio (1[1-9]|[2-9][0-9])")
+    # For Makefiles, Ninja, Xcode and Visual Studio generators,
+    # use SWIG generated dependencies if requested
     if (NOT DEFINED SWIG_USE_SWIG_DEPENDENCIES)
         set (SWIG_USE_SWIG_DEPENDENCIES OFF)
     endif()
diff --git a/Tests/UseSWIG/CMakeLists.txt b/Tests/UseSWIG/CMakeLists.txt
index f1b2f32..c3f9e03 100644
--- a/Tests/UseSWIG/CMakeLists.txt
+++ b/Tests/UseSWIG/CMakeLists.txt
@@ -67,7 +67,7 @@ add_test(NAME UseSWIG.BasicPerl COMMAND
   --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
   )
 if(SWIG_FOUND AND NOT SWIG_VERSION VERSION_LESS "4.0.2"
-    AND CMAKE_GENERATOR MATCHES "Make|Ninja|Xcode")
+    AND CMAKE_GENERATOR MATCHES "Make|Ninja|Xcode|Visual Studio (1[1-9]|[2-9][0-9])")
   add_test(NAME UseSWIG.Depfile.BasicPython COMMAND
     ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
     --build-and-test
-- 
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