fix(system): fix idf.py build ulp examples containing spaces in path on Win

components/ulp/cmake/CMakeLists.txt

@@ -8,6 +8,15 @@ set(CMAKE_EXECUTABLE_SUFFIX ".elf")
 option(ULP_COCPU_IS_RISCV "Use RISC-V based ULP" OFF)
 option(ULP_COCPU_IS_LP_CORE "Use RISC-V based LP Core" OFF)
 
+function(create_arg_file arguments output_file)
+    # Escape all spaces
+    list(TRANSFORM arguments REPLACE " " "\\\\ ")
+    # Create a single string with all args separated by space
+    list(JOIN arguments " " arguments)
+    # Write it into the response file
+    file(WRITE ${output_file} ${arguments})
+endfunction()
+
 message(STATUS "Building ULP app ${ULP_APP_NAME}")
 
 # Check the supported assembler version
@@ -22,6 +31,7 @@ get_filename_component(sdkconfig_dir ${SDKCONFIG_HEADER} DIRECTORY)
 foreach(include ${COMPONENT_INCLUDES})
     list(APPEND component_includes -I${include})
 endforeach()
+list(REMOVE_DUPLICATES component_includes)
 
 list(APPEND ULP_PREPROCESSOR_ARGS ${component_includes})
 list(APPEND ULP_PREPROCESSOR_ARGS -I${COMPONENT_DIR})
@@ -29,8 +39,6 @@ list(APPEND ULP_PREPROCESSOR_ARGS -I${sdkconfig_dir})
 
 target_include_directories(${ULP_APP_NAME} PRIVATE ${COMPONENT_INCLUDES})
 
-list(APPEND ULP_PREPROCESSOR_ARGS -D__ASSEMBLER__)
-
 # Pre-process the linker script
 if(ULP_COCPU_IS_RISCV)
     set(ULP_LD_TEMPLATE ${IDF_PATH}/components/ulp/ld/ulp_riscv.ld)
@@ -41,8 +49,14 @@ else()
 endif()
 
 get_filename_component(ULP_LD_SCRIPT ${ULP_LD_TEMPLATE} NAME)
+
+# Put all arguments to the list
+set(preprocessor_args -D__ASSEMBLER__ -E -P -xc -o ${ULP_LD_SCRIPT} ${ULP_PREPROCESSOR_ARGS} ${ULP_LD_TEMPLATE})
+set(compiler_arguments_file ${CMAKE_CURRENT_BINARY_DIR}/${ULP_LD_SCRIPT}_args.txt)
+create_arg_file("${preprocessor_args}" "${compiler_arguments_file}")
+
 add_custom_command(OUTPUT ${ULP_LD_SCRIPT}
-                   COMMAND ${CMAKE_C_COMPILER} -E -P -xc -o ${ULP_LD_SCRIPT} ${ULP_PREPROCESSOR_ARGS} ${ULP_LD_TEMPLATE}
+                   COMMAND ${CMAKE_C_COMPILER} @${compiler_arguments_file}
                    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
                    MAIN_DEPENDENCY ${ULP_LD_TEMPLATE}
                    DEPENDS ${SDKCONFIG_HEADER}
@@ -130,11 +144,15 @@ else()
     foreach(ulp_s_source ${ULP_S_SOURCES})
         get_filename_component(ulp_ps_source ${ulp_s_source} NAME_WE)
         set(ulp_ps_output ${CMAKE_CURRENT_BINARY_DIR}/${ulp_ps_source}.ulp.S)
+        # Put all arguments to the list
+        set(preprocessor_args -D__ASSEMBLER__ -E -P -xc -o ${ulp_ps_output} ${ULP_PREPROCESSOR_ARGS} ${ulp_s_source})
+        set(compiler_arguments_file ${CMAKE_CURRENT_BINARY_DIR}/${ulp_ps_source}_args.txt)
+        create_arg_file("${preprocessor_args}" "${compiler_arguments_file}")
+
         # Generate preprocessed assembly files.
         add_custom_command(OUTPUT ${ulp_ps_output}
                            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-                           COMMAND ${CMAKE_C_COMPILER} -E -P -xc ${ULP_PREPROCESSOR_ARGS}
-                           -o ${ulp_ps_output} ${ulp_s_source}
+                           COMMAND ${CMAKE_C_COMPILER} @${compiler_arguments_file}
                            DEPENDS ${ulp_s_source}
                            VERBATIM)
         # During assembly file compilation, output listing files as well.

tools/test_build_system/test_spaces.py

@@ -10,7 +10,7 @@ from pathlib import Path
 import pytest
 from test_build_system_helpers import run_idf_py
 
-# In this test file the test are grouped into 3 bundels
+# In this test file the test are grouped into 3 bundles
 # It would be better to have every test separate,
 # but that would mean doing idf_copy each time, and copying takes most of the time
 
@@ -27,12 +27,10 @@ def test_spaces_bundle1(idf_copy: Path) -> None:
     run_idf_py('build', workdir=(idf_copy / 'examples' / 'get-started' / 'hello_world'))
     # test spiffsgen
     run_idf_py('build', workdir=(idf_copy / 'examples' / 'storage' / 'spiffsgen'))
-    # bug reported in IDF-9151
-    if sys.platform != 'win32':
-        # test build ulp_fsm
-        run_idf_py('build', workdir=(idf_copy / 'examples' / 'system' / 'ulp' / 'ulp_fsm' / 'ulp'))
-        # test build ulp_riscv
-        run_idf_py('-DIDF_TARGET=esp32s2', 'build', workdir=(idf_copy / 'examples' / 'system' / 'ulp' / 'ulp_riscv' / 'gpio'))
+    # test build ulp_fsm
+    run_idf_py('build', workdir=(idf_copy / 'examples' / 'system' / 'ulp' / 'ulp_fsm' / 'ulp'))
+    # test build ulp_riscv
+    run_idf_py('-DIDF_TARGET=esp32s2', 'build', workdir=(idf_copy / 'examples' / 'system' / 'ulp' / 'ulp_riscv' / 'gpio'))
 
 
 @pytest.mark.idf_copy('esp idf with spaces')