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我有一個「CMakified」版本的CryptoPP，我正在使用CMake-GUI創建一個MakeFile，它可以像下圖所示的那樣進行處理。
將目標鏈接到庫
的「生成文件」創建成功，但是當我執行mingw32-make.exe我在最後得到了下面的錯誤。
Linking CXX executable cryptest.exe
CMakeFiles\cryptest.dir/objects.a(test.cpp.obj):test.cpp:(.text+0x8e82): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x5cb): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x643): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x6f0): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x70a): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x759): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x7f4): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x85b): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x909): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x922): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x978): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xa18): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xaac): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xb58): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xbc6): undefined reference to `getpe[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xc87): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xd83): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xe25): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xe96): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0xfbb): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x1010): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x11a1): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x11f6): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x133f): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x1407): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x1526): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x16cf): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x17fb): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x180f): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x1cfc): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x1d27): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x1f61): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x1f8c): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x2397): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x23c1): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x24cc): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x2587): undefined reference to `[email protected]'
libcryptopp.a(socketft.cpp.obj):socketft.cpp:(.text+0x2a01): undefined reference to `[email protected]'
collect2.exe: error: ld returned 1 exit status
mingw32-make[2]: *** [cryptest.exe] Error 1
mingw32-make[1]: *** [CMakeFiles/cryptest.dir/all] Error 2
mingw32-make: *** [all] Error 2
我嘗試添加LDLIBS += -lws2_32到make文件的末尾，但這並沒有幫助。我猜這些錯誤是因爲目標鏈接庫沒有在make文件中提到，但我不知道如何做到這一點。
在「連接CXX可執行文件cryptest.exe」和後面的「未解析的引用」消息之間，___應該是失敗的命令行的回顯;我猜CMake一定隱瞞了它 - _bad，bad，BAD_ CMake。 （如果這是默認的CMake行爲，那麼我認爲它是一個關鍵的CMake BUG）。看，沒有那個命令行，我們確實沒有任何診斷信息，以幫助我們確定問題。 –
FWIW，用於指定庫的常規makefile變量是'LIBS'，_not_'LDLIBS'。當然，CMake可能不會遵守這個約定 - 我不知道，因爲我不使用CMake。如果CMake _does_使用'LDLIBS'，那是一個遞歸的擴展變量嗎？如果不是的話，那麼它需要___在____之前指定___在它曾經使用之前;在makefile結尾修改它可能沒有任何作用。 –
你有寫過CMakeLists.txt還是加密++提供的？ – Peter