如何使用vcpkg如何使用其他c ++标准来构建boost？

时间：2018-11-26 10:36:14

标签： c++ boost vcpkg

在macOS 10.14.1上构建与boost的默认vcpkg构建链接的应用程序会产生以下错误：

Undefined symbols for architecture x86_64:
  "boost::system::detail::system_category_instance", referenced from:
      boost::system::system_category()     in main.cxx.o
      boost::asio::io_context::run()    in main.cxx.o
      boost::asio::detail::socket_ops::close(int, unsigned char&, bool, boost::system::error_code&) in main.cxx.o
      boost::asio::detail::socket_holder::~socket_holder() in main.cxx.o
      boost::asio::detail::reactive_socket_service_base::destroy(boost::asio::detail::reactive_socket_service_base::base_implementation_type&) in main.cxx.o
      _main in main.cxx.o
      boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp> boost::asio::connect<boost::asio::ip::tcp, boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp> >(boost::asio::basic_socket<boost::asio::ip::tcp>&, boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp>, boost::asio::ip::basic_resolver_iterator<boost::asio::ip::tcp>) in main.cxx.o
      ...
  "boost::system::detail::generic_category_instance", referenced from:
      boost::system::generic_category()     in main.cxx.o
ld: symbol(s) not found for architecture x86_64
collect2: error: ld returned 1 exit status
make[2]: *** [cleverly] Error 1
make[1]: *** [CMakeFiles/cleverly.dir/all] Error 2
make: *** [all] Error 2

如果我正确阅读以下内容：

我认为boost必须使用与应用程序相同的c ++版本重新编译。

使用vcpkg，如何改变用于编译boost库的c ++标准？

更新

libboost_system.a确实是64位。

lipo -info libboost_system.a
Non-fat file: libboost_system.a is architecture: x86_64

使用VERBOSE = 1运行make时链接命令：

/usr/local/Cellar/cmake/3.12.4/bin/cmake -E cmake_link_script CMakeFiles/cleverly.dir/link.txt --verbose=1
/usr/local/bin/g++-HEAD   -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk -Wl,-search_paths_first -Wl,-headerpad_max_install_names  CMakeFiles/cleverly.dir/Users/sheel/Projects/sheeldme/cleverly-misogamist/source/main.cxx.o  -o cleverly /opt/vcpkg/installed/x64-osx/debug/lib/libboost_system.a /opt/vcpkg/installed/x64-osx/debug/lib/libboost_filesystem.a /opt/vcpkg/installed/x64-osx/debug/lib/libboost_date_time.a /opt/vcpkg/installed/x64-osx/debug/lib/libboost_thread.a /opt/vcpkg/installed/x64-osx/debug/lib/libboost_regex.a /opt/vcpkg/installed/x64-osx/debug/lib/libboost_serialization.a /opt/vcpkg/installed/x64-osx/debug/lib/libboost_chrono.a /opt/vcpkg/installed/x64-osx/debug/lib/libboost_atomic.a

符号表通过：objdump -t libboost_system.a 

libboost_system.a(error_code.o):    file format Mach-O 64-bit x86-64

SYMBOL TABLE:
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0000000000016120 l       __DATA,__bss   __ZZNK5boost6system6detail22generic_error_category7messageEiE11unknown_err
0000000000001080 l       __TEXT,__gcc_except_tab    GCC_except_table0
0000000000016178 l       __DATA,__bss   __ZGVZN5boost6system6detail20generic_category_ncxEvE25generic_category_instance
0000000000016160 l       __DATA,__bss   __ZZN5boost6system6detail20generic_category_ncxEvE25generic_category_instance
0000000000016158 l       __DATA,__bss   __ZGVZN5boost6system6detail19system_category_ncxEvE24system_category_instance
0000000000016140 l       __DATA,__bss   __ZZN5boost6system6detail19system_category_ncxEvE24system_category_instance
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1 个答案:

答案 0 :(得分：1)

在vcpkg/ports/boost-modular-build-helper/CMakeLists.txt处修补文件。

使用cxxstd=以及要编译的标准来修补自定义增强目标。

参考：https://github.com/Microsoft/vcpkg/issues/4476

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