Merge branch 'PythonDebugForVS' into 'main'

use python_d.exe to run tests in debug builds on multi-config generators like MS Visual Studio

See merge request !642

cmake/BornAgain/Config.cmake

@@ -16,6 +16,10 @@ if(WIN32)
     file(TO_CMAKE_PATH ${Python3_INCLUDE_DIRS} Python3_INCLUDE_DIRS)
     file(TO_CMAKE_PATH ${Python3_NumPy_INCLUDE_DIRS} Python3_NumPy_INCLUDE_DIRS)
     file(TO_CMAKE_PATH ${Python3_SITELIB} Python3_SITELIB)
+    
+    # Necessary for Visual Studio (multi-config-generator): provide also debug-exe of python3
+    string(REPLACE ".exe" "_d.exe"  Python3_EXECUTABLE_DEBUG ${Python3_EXECUTABLE})
+
 endif()
 
 configure_file(${CONFIGURABLES_DIR}/BAVersion.h.in  ${BUILD_INC_DIR}/BAVersion.h @ONLY)

cmake/configurables/BABuild.h.in

@@ -36,7 +36,11 @@ inline std::string srcDir() {
 //! Methods to access info about Python used during the build.
 
 inline std::string pythonExecutable() {
+#if defined WIN32 && defined _DEBUG
+    return "@Python3_EXECUTABLE_DEBUG@";
+#else
     return "@Python3_EXECUTABLE@";
+#endif
 }
 inline std::string pythonInterpreterID() {
     return "@Python3_INTERPRETER_ID@";