trns1997 commented on code in PR #16970:
URL: https://github.com/apache/nuttx/pull/16970#discussion_r2348364590
##########
Documentation/guides/cpp_cmake.rst:
##########
@@ -82,159 +87,63 @@ Creating the project
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
- # set(CMAKE_CXX_EXTENSIONS OFF)
- set(CMAKE_C_STANDARD 99)
-
- set(NUTTX_PATH "${CMAKE_SOURCE_DIR}/nuttx-export-10.0.1")
-
- include(cmake/stm32f4discovery.cmake)
-
- set(AC_COMMON_FLAGS "${AC_COMMON_FLAGS} -Wall -Wshadow -Wundef
-fno-strict-aliasing -Os")
- set(AC_COMMON_FLAGS "${AC_COMMON_FLAGS} -D_DEBUG -D_LIBCPP_BUILD_STATIC
-D_LIBCPP_NO_EXCEPTIONS ")
- set(AC_COMMON_FLAGS "${AC_COMMON_FLAGS} -fno-exceptions -fcheck-new
-fno-rtti -pedantic ")
- set(AC_COMMON_FLAGS "${AC_COMMON_FLAGS} -nostdinc++")
-
- set(AC_DEFINES "${AC_DEFINES} -DCONFIG_WCHAR_BUILTIN")
-
- include_directories(
- src
- ${NUTTX_PATH}/include
- ${NUTTX_PATH}/include/libcxx
- ${NUTTX_PATH}/arch/chip
- )
-
- set(EXE_NAME hellocpp)
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${AC_HW_FLAGS} ${AC_DEFINES}")
- set(CMAKE_CXX_FLAGS "${AC_HW_FLAGS} ${AC_DEFINES} ${AC_COMMON_FLAGS}
${AC_CXX_EXTRA_FLAGS}")
- if (PARAM_DEBUG)
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
- endif()
-
- set(CMAKE_SKIP_RPATH ON)
- set(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_LINKER} ${AC_LINKER_FLAGS} -o
${EXE_NAME}.elf <OBJECTS> <LINK_LIBRARIES>")
- set(BUILD_SHARED_LIBS OFF)
- add_subdirectory(src)
-
-* hellocpp/cmake/stm32f4discovery.cmake
-
-.. code-block:: cmake
-
- set(CMAKE_SYSTEM_NAME Generic)
- set(CMAKE_SYSTEM_PROCESSOR arm)
-
- set(MCU_LINKER_SCRIPT "${NUTTX_PATH}/scripts/ld.script")
-
- set(COMPILER_PREFIX arm-none-eabi-)
-
- # cmake-format: off
- set(CMAKE_C_COMPILER ${COMPILER_PREFIX}gcc)
- set(CMAKE_CXX_COMPILER ${COMPILER_PREFIX}g++)
- set(CMAKE_AR ${COMPILER_PREFIX}ar)
- set(CMAKE_RANLIB ${COMPILER_PREFIX}ranlib)
- set(CMAKE_LINKER ${COMPILER_PREFIX}ld)
- set(CMAKE_ASM_COMPILER ${COMPILER_PREFIX}gcc)
- set(CMAKE_OBJCOPY ${COMPILER_PREFIX}objcopy)
- set(CMAKE_OBJDUMP ${COMPILER_PREFIX}objdump)
- set(CMAKE_SIZE ${COMPILER_PREFIX}size)
-
- set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
- set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
- set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
- set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
-
- set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
-
- set(AC_HW_FLAGS "-mcpu=cortex-m4 -mthumb -mfloat-abi=soft ")
- set(AC_HW_FLAGS "${AC_HW_FLAGS} -isystem ${NUTTX_PATH}/include")
- set(AC_HW_FLAGS "${AC_HW_FLAGS} -pipe")
-
- set(AC_LINKER_FLAGS "--entry=__start -nostdlib -T${MCU_LINKER_SCRIPT}")
-
-* hellocpp/src/CMakeLists.txt
-
-.. code-block:: cmake
-
- set(HEADER_FILES
- HelloWorld.h
- )
set(SOURCE_FILES
- HelloWorld.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/HelloWorld.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp
)
- link_directories(${EXE_NAME} ${NUTTX_PATH}/libs)
-
- add_executable(${EXE_NAME} ${SOURCE_FILES} main.cpp ${HEADER_FILES})
+ set(EXE_NAME "hello")
+ add_executable(${EXE_NAME} ${SOURCE_FILES})
add_custom_command(
TARGET ${EXE_NAME}
POST_BUILD
COMMAND ${CMAKE_OBJCOPY} ARGS -S -O binary
${CMAKE_BINARY_DIR}/${EXE_NAME}.elf ${CMAKE_BINARY_DIR}/${EXE_NAME}.bin
Review Comment:
you sure that we have an `.elf` as output. I think we have just `hello` as
output and then `hello` > `hello.bin`
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