问使用cmake4eclipse的Eclipse :编辑器不识别在CMakeLists.txt中定义的符号

EN

...
if(1)
 set(CMAKE_C_COMPILER arm-none-eabi-gcc)
else()
 set(CMAKE_C_COMPILER gcc)
endif()
...

...
if(0)
 set(CMAKE_C_COMPILER arm-none-eabi-gcc)
else()
 set(CMAKE_C_COMPILER gcc)
endif()
...

cmake_minimum_required(VERSION 3.10)

#set(CMAKE_MAKE_PROGRAM "C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/bin/mingw32-make.exe")
set(CMAKE_MAKE_PROGRAM "C:/Program Files (x86)/mingw-w64/i686-8.1.0-posix-dwarf-rt_v6-rev0/mingw32/bin/mingw32-make.exe")
#set(CMAKE_MAKE_PROGRAM "C:/Tools/ON Semiconductor/RSL10_IDE_3_3/IDE_V3.2.2.13/arm_tools/bin/make.exe")

set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(CMAKE_CROSSCOMPILING 1)

set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
set(CMAKE_C_OBJCOPY arm-none-eabi-objcopy)

if(1)
    set(CMAKE_C_COMPILER arm-none-eabi-gcc)
else()
    set(CMAKE_C_COMPILER gcc)
endif()

project(cmake_driven_example_arm-none-eabi-gcc C)

set(SOURCES
    main.c
    modules/math/math.c
)

include_directories(
    modules/math
)

set(CMAKE_C_FLAGS "-DINCLUDE_MATH")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DMYVAR=5")

# Invoking: Cross ARM C Linker
set(CMAKE_EXE_LINKER_FLAGS "-Xlinker --gc-sections")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -T\"${CMAKE_SOURCE_DIR}/sdk_packages/rsl10_sdk/source/firmware/cmsis/source/GCC/sections_modified.ld\"")


# build elf file
add_executable(${PROJECT_NAME} ${SOURCES})
target_link_libraries(${PROJECT_NAME}
                        ${CMAKE_SOURCE_DIR}/sdk_packages/rsl10_sdk/lib/ble_core/Release/libblelib.a
                        ${CMAKE_SOURCE_DIR}/sdk_packages/rsl10_sdk/lib/ble_core/Release/libkelib.a
)