ctypesgen: Fix ctypesgen build issues on Windows (OSGeo#6307)

* Fix ctypesgen build issues on Windows

* Remove debug comments; Remove header path conversion

---------

Co-authored-by: Huidae Cho <[email protected]>

Author: dudaka

cmake/ctypesgen.cmake

@@ -31,7 +31,7 @@ if(NOT MSVC)
 endif()
 set(ENV{LC_ALL} C)
 
-set(CTYPESFLAGS "\"${COMPILER}\" -E ${C_FLAGS}")
+set(CTYPESFLAGS "${COMPILER} -E ${C_FLAGS}")
 
 set(LIBRARIES)
 foreach(LIB ${LIBS})
@@ -40,7 +40,7 @@ endforeach()
 
 set(INC_HEADERS)
 foreach(INCHDR ${INCHDRS})
-  list(APPEND INC_HEADERS "-I\"${INCHDR}\"")
+  list(APPEND INC_HEADERS "-I${INCHDR}")
 endforeach()
 
 set(DEFINES)
@@ -61,7 +61,7 @@ endforeach()
 message(STATUS "Generating ${OUT_FILE}")
 execute_process(
   COMMAND
-    ${PYTHON_EXECUTABLE} ${CTYPESGEN_PY} --cpp "${CTYPESFLAGS}"
+    ${PYTHON_EXECUTABLE} ${CTYPESGEN_PY} --cpp ${CTYPESFLAGS}
     --no-embed-preamble --strip-build-path ${RUNTIME_GISBASE} ${INC_HEADERS}
     ${LIBRARIES} ${DEFINES} -o ${OUT_FILE} ${HEADERS}
   OUTPUT_VARIABLE ctypesgen_OV

python/libgrass_interface_generator/CMakeLists.txt

@@ -74,7 +74,7 @@ foreach(module ${MODULES})
   endif()
 
   if(NOT ${module}_INCHDRS)
-    set(${module}_INCHDRS})
+    set(${module}_INCHDRS)
   endif()
   list(INSERT ${module}_INCHDRS 0 ${OUTDIR}/${GRASS_INSTALL_INCLUDEDIR})
   if(CMAKE_INSTALL_INCLUDEDIR)
@@ -109,6 +109,7 @@ foreach(module ${MODULES})
       -DGRASS_INSTALL_DEMODIR=${GRASS_INSTALL_DEMODIR}
       -DGRASS_INSTALL_LIBDIR=${GRASS_INSTALL_LIBDIR}
       -DRUNTIME_GISBASE=${RUNTIME_GISBASE} -DOUT_FILE=${output_file}
+      -DMSVC=${MSVC} -DAPPLE=${APPLE}
       -DGRASS_VERSION_NUMBER=${GRASS_VERSION_NUMBER}
       -DGRASS_VERSION_MAJOR=${GRASS_VERSION_MAJOR}
       -DGRASS_VERSION_MINOR=${GRASS_VERSION_MINOR} -P