cmake 交叉编译错误|'_Float128'没有命名类型;您的意思是'_Float32x'吗？

busg9geu  于 2024-01-09  发布在  其他
关注(0)|答案(1)|浏览(733)

我在使用cmake交叉编译应用程序时遇到了一个问题。我使用基于外部Buildroot的SDK为其中一个项目进行交叉编译。它是基于“aarch64”的，我有其他基于“arm”的SDK，它们编译时没有任何错误。
使用cmake ../. -DCMAKE_TOOLCHAIN_FILE=[...]/ToolchainFile.cmake编译成功，它从C和CXX编译器的SDK获取正确的路径。但是当我运行make时，我得到以下错误：

  1. In file included from /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/wchar.h:30,
  2.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cwchar:44,
  3.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/postypes.h:40,
  4.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/char_traits.h:40,
  5.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/string:40,
  6.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/include/Action.hpp:27,
  7.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/src/Action.cpp:26:
  8. /usr/include/x86_64-linux-gnu/bits/floatn.h:87:9: error: '__float128' does not name a type; did you mean '__cfloat128'?
  9.    87 | typedef __float128 _Float128;
  10.       |         ^~~~~~~~~~
  11.       |         __cfloat128
  12. In file included from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cwchar:44,
  13.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/postypes.h:40,
  14.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/char_traits.h:40,
  15.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/string:40,
  16.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/include/Action.hpp:27,
  17.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/src/Action.cpp:26:
  18. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/wchar.h:406:8: error: '_Float128' does not name a type; did you mean '_Float32x'?
  19.   406 | extern _Float128 wcstof128 (const wchar_t *__restrict __nptr,
  20.       |        ^~~~~~~~~
  21.       |        _Float32x
  22. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/wchar.h:523:8: error: '_Float128' does not name a type; did you mean '_Float32x'?
  23.   523 | extern _Float128 wcstof128_l (const wchar_t *__restrict __nptr,
  24.       |        ^~~~~~~~~
  25.       |        _Float32x
  26. In file included from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cstdlib:75,
  27.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/ext/string_conversions.h:41,
  28.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/basic_string.h:6496,
  29.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/string:55,
  30.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/include/Action.hpp:27,
  31.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/src/Action.cpp:26:
  32. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/stdlib.h:152:8: error: '_Float128' does not name a type; did you mean '_Float32x'?
  33.   152 | extern _Float128 strtof128 (const char *__restrict __nptr,
  34.       |        ^~~~~~~~~
  35.       |        _Float32x
  36. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/stdlib.h:245:4: error: '_Float128' has not been declared
  37.   245 |    _Float128 __f)
  38.       |    ^~~~~~~~~
  39. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/stdlib.h:330:8: error: '_Float128' does not name a type; did you mean '_Float32x'?
  40.   330 | extern _Float128 strtof128_l (const char *__restrict __nptr,
  41.       |        ^~~~~~~~~
  42.       |        _Float32x
  43. In file included from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cstdlib:75,
  44.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/ext/string_conversions.h:41,
  45.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/basic_string.h:6496,
  46.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/string:55,
  47.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/include/Action.hpp:27,
  48.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/src/Action.cpp:26:
  49. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/stdlib.h:935:5: error: expected initializer before '__attr_access'
  50.   935 |     __attr_access ((__read_only__, 2));
  51.       |     ^~~~~~~~~~~~~
  52. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/stdlib.h:940:3: error: expected initializer before '__attr_access'
  53.   940 |   __attr_access ((__write_only__, 1, 3)) __attr_access ((__read_only__, 2));
  54.       |   ^~~~~~~~~~~~~
  55. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/stdlib.h:994:30: error: expected initializer before '__attr_access'
  56.   994 |      __THROW __nonnull ((2)) __attr_access ((__write_only__, 2, 3));
  57.       |                              ^~~~~~~~~~~~~
  58. In file included from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/ext/string_conversions.h:41,
  59.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/basic_string.h:6496,
  60.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/string:55,
  61.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/include/Action.hpp:27,
  62.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/src/Action.cpp:26:
  63. /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cstdlib:154:11: error: '::mbstowcs' has not been declared
  64.   154 |   using ::mbstowcs;
  65.       |           ^~~~~~~~
  66. /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cstdlib:171:11: error: '::wcstombs' has not been declared
  67.   171 |   using ::wcstombs;
  68.       |           ^~~~~~~~
  69. In file included from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cstdio:42,
  70.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/ext/string_conversions.h:43,
  71.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/basic_string.h:6496,
  72.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/string:55,
  73.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/include/Action.hpp:27,
  74.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/src/Action.cpp:26:
  75. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/stdio.h:569:12: error: expected initializer before '__attr_access'
  76.   569 |      __wur __attr_access ((__write_only__, 1, 2));
  77.       |            ^~~~~~~~~~~~~
  78. /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/usr/include/stdio.h:593:5: error: expected initializer before '__attr_access'
  79.   593 |     __attr_access ((__write_only__, 1, 2));
  80.       |     ^~~~~~~~~~~~~
  81. In file included from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/ext/string_conversions.h:43,
  82.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/bits/basic_string.h:6496,
  83.                  from /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/string:55,
  84.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/include/Action.hpp:27,
  85.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/src/Action.cpp:26:
  86. /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cstdio:108:11: error: '::fgets' has not been declared
  87.   108 |   using ::fgets;
  88.       |           ^~~~~
  89. In file included from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/include/Action.hpp:29,
  90.                  from /root/sources/aarch64/aws-iot-client/lib/aws-iot-device-sdk-cpp/src/Action.cpp:26:
  91. /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/memory: In function 'void* std::align(std::size_t, std::size_t, void*&, std::size_t&)':
  92. /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux-gnu/include/c++/9.4.0/memory:121:58: error: cast from 'void*' to 'uintptr_t' {aka 'unsigned int'} loses precision [-fpermissive]
  93.   121 |   const auto __intptr = reinterpret_cast<uintptr_t>(__ptr);
  94.       |                                                          ^
  95. make[2]: *** [lib/aws-iot-device-sdk-cpp/CMakeFiles/aws-iot-sdk-cpp.dir/build.make:66: lib/aws-iot-device-sdk-cpp/CMakeFiles/aws-iot-sdk-cpp.dir/src/Action.cpp.o] Error 1
  96. make[1]: *** [CMakeFiles/Makefile2:341: lib/aws-iot-device-sdk-cpp/CMakeFiles/aws-iot-sdk-cpp.dir/all] Error 2
  97. make: *** [Makefile:133: all] Error 2

字符串
我不明白这个错误的原因是什么，而它成功地为“arm”SDK构建。

  1. ToolchainFile.cmake
  1. # General CMAKE cross compile settings
  2. SET(CMAKE_SYSTEM_NAME Linux)
  3. SET(CMAKE_SYSTEM_PROCESSOR arm)
  4. SET(CMAKE_SYSTEM_VERSION 1)
  6. # Specify Sysroot path
  7. SET(CMAKE_SYSROOT /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/)
  9. # Specify path to find filesystem items
  10. SET(CMAKE_FIND_ROOT_PATH /opt/sdk_mmia53.e2c-demo.640/aarch64-buildroot-linux-gnu/sysroot/)
  12. # Search for programs in the build host directories
  13. SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
  15. # Search for libraries and headers in the target directories
  16. set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
  17. set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
  18. set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
  20. # Specify toolchain directory
  21. SET(TOOLCHAIN_DIR /opt/sdk_mmia53.e2c-demo.640/bin/)
  23. # Specify cross compilation target
  24. SET(TARGET_CROSS aarch64-linux-)
  26. # Set compilers
  27. SET(CMAKE_CXX_COMPILER ${TOOLCHAIN_DIR}/${TARGET_CROSS}g++)
  29. # Set linker
  30. SET(CMAKE_LINKER ${TOOLCHAIN_DIR}/${TARGET_CROSS}ld)
  32. # Set compiler flags
  33. SET(CMAKE_CXX_FLAGS ${COMMON_FLAGS} -std=c++11)
  35. # Set archiving tool
  36. SET(CMAKE_AR ${TOOLCHAIN_DIR}/${TARGET_CROSS}ar CACHE FILEPATH "Archiver")
  38. # Set randomizing tool for static libraries
  39. SET(CMAKE_RANLIB ${TOOLCHAIN_DIR}/${TARGET_CROSS}ranlib)
  41. # Set strip tool
  42. SET(CMAKE_STRIP ${TOOLCHAIN_DIR}/${TARGET_CROSS}strip)
  44. # Set objdump tool
  45. SET(CMAKE_OBJDUMP ${TOOLCHAIN_DIR}/${TARGET_CROSS}objdump)
  47. # Set objcopy tool
  48. SET(CMAKE_OBJCOPY ${TOOLCHAIN_DIR}/${TARGET_CROSS}objcopy)
  50. # Set nm tool
  51. SET(CMAKE_NM ${TOOLCHAIN_DIR}/${TARGET_CROSS}nm)
  53. # Set THREADS_PTHREAD_ARG for testing threading
  54. SET(THREADS_PTHREAD_ARG "2" CACHE STRING "Forcibly set by ToolchainFile.cmake." FORCE)

的数据
在CMakeCache.txt中，所有路径都是从SDK获取的，而不是从构建系统获取的
有人能告诉我如何解决这个问题吗？
你的帮助将不胜感激。
Thanks in advance
我用的是Ubuntu 20.04，如果有任何信息丢失，请告诉我。

cmake

1条答案

按热度按时间
unhi4e5o

unhi4e5o1#

x86_64-linux-gnu是您不希望在aarch64构建中看到的东西，但您使用x86_64-linux-gnu/bits/floatn.h
你需要弄清楚它是如何潜入的。你的SDK到底在哪里从它的目录中分离出来并使用一个非SDK头？

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