[CMake] Fix Python install on Windows.

CMakeLists.txt

@@ -214,10 +214,6 @@ option(OGS_COVERAGE "Enables code coverage measurements with gcov/lcov." OFF)
 
 option(OGS_SYNC_SUBMODULES "Sync git submodules on CMake run. Overwrites custom URLs!" ON)
 
-# Packaging
-option(OGS_DOWNLOAD_ADDITIONAL_CONTENT "Should additional content such as manuals be downloaded and packaged?" OFF)
-include(scripts/cmake/packaging/Pack.cmake)
-
 # Third-party libraries, names come from Conan package names
 set(OGS_LIBS VTK Boost Eigen3 Qt Shapelib libgeotiff CACHE INTERNAL "")
 foreach(LIB ${OGS_LIBS})
@@ -303,6 +299,9 @@ endif()
 # Logging level
 add_definitions(-DLOGOG_LEVEL=${OGS_LOG_LEVEL})
 
+# Packaging
+option(OGS_DOWNLOAD_ADDITIONAL_CONTENT "Should additional content such as manuals be downloaded and packaged?" OFF)
+include(scripts/cmake/packaging/Pack.cmake)
 
 ######################
 ### Subdirectories ###

scripts/cmake/packaging/Pack.cmake

@@ -123,9 +123,16 @@ if(OGS_USE_CONAN)
 endif()
 
 if(OGS_USE_PYTHON)
-    install(FILES ${Python_LIBRARIES} DESTINATION ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
+    if(WIN32)
+        file(GLOB PYTHON_RUNTIME_LIBS "${Python_RUNTIME_LIBRARY_DIRS}/*.dll")
+        message(STATUS "Install Python: ${PYTHON_RUNTIME_LIBS}")
+        install(FILES ${PYTHON_RUNTIME_LIBS} DESTINATION bin)
+    else()
+        install(FILES ${Python_LIBRARIES} DESTINATION bin)
+    endif()
 endif()
 
+
 configure_file(Documentation/README.txt.in ${PROJECT_BINARY_DIR}/README.txt)
 install(FILES ${PROJECT_BINARY_DIR}/README.txt DESTINATION .)