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我試圖通過升壓ASIO例如構建示例代碼提供： http://www.boost.org/doc/libs/1_54_0/doc/html/boost_asio/example/cpp11/spawn/echo_server.cpp提升協同程序和ASIO測試版本的Linux x64平臺失敗，gcc4.7
我複製了所有代碼，並把它變成一個CPP文件，使用gcc4.7和cmake在linux上進行編譯，與boost協程和boost上下文庫鏈接，但鏈接失敗。
的輸出的文章
Linking CXX executable ../../../output/bin/unit_test
cd /home/watson/ID_project/build/server_linux_makefile_gcc/abc/test/unit/abc_async && /usr/local/bin/cmake -E cmake_link_script CMakeFiles/unit_test.dir/link.txt --verbose=1
/usr/bin/c++ -std=c++11 -O3 -DNDEBUG -pthread -lrt -ltcmalloc -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free CMakeFiles/unit_test.dir/TestFileChannel.cpp.o CMakeFiles/unit_test.dir/TestStreamBuffer.cpp.o CMakeFiles/unit_test.dir/TestTimer.cpp.o CMakeFiles/unit_test.dir/TestThreadPool.cpp.o CMakeFiles/unit_test.dir/TestScheduler.cpp.o CMakeFiles/unit_test.dir/PCH.cpp.o CMakeFiles/unit_test.dir/main.cpp.o CMakeFiles/unit_test.dir/TestUDPNetwork.cpp.o CMakeFiles/unit_test.dir/TestTCPNetwork.cpp.o -o ../../../output/bin/unit_test -rdynamic ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libboost_unit_test_framework-gcc47-mt-1_54.a ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libboost_context-gcc47-mt-1_54.a ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libboost_coroutine-gcc47-mt-1_54.a ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libboost_thread-gcc47-mt-1_54.a ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libboost_filesystem-gcc47-mt-1_54.a ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libyaml-cpp.a ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libmongoc.a ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libboost_system-gcc47-mt-1_54.a ../../../../../../install/thirdparty_linux_makefile_gcc/lib/libprotobuf.a
../../../../../../install/thirdparty_linux_makefile_gcc/lib/libboost_coroutine-gcc47-mt-1_54.a(coroutine_context.o): In function `boost::coroutines::detail::coroutine_context::coroutine_context(void (*)(long), boost::coroutines::stack_context*)':
coroutine_context.cpp:(.text+0x103): undefined reference to `make_fcontext'
../../../../../../install/thirdparty_linux_makefile_gcc/lib/libboost_coroutine-gcc47-mt-1_54.a(coroutine_context.o): In function `boost::coroutines::detail::coroutine_context::jump(boost::coroutines::detail::coroutine_context&, long, bool)':
coroutine_context.cpp:(.text+0x1bc): undefined reference to `jump_fcontext'
collect2: error: ld returned 1 exit status
make[2]: *** [abc/output/bin/unit_test] Error 1
我打印符號表從某文件，並找到符號jump_fcontext' and make_fcontext」是存在的：
nm libboost_context-gcc47-mt-1_54.a
make_x86_64_sysv_elf_gas.o:
U _GLOBAL_OFFSET_TABLE_
U _exit
000000000000002e t finish
0000000000000000 T make_fcontext
jump_x86_64_sysv_elf_gas.o:
0000000000000000 T jump_fcontext
有人可以給我任何有關它的提示？我嘗試谷歌每一個地方，但沒有信息。