与 libcrypto 的链接问题：对“__imp__CertFreeCertificateContext”的未定义引用
Linking issue with libcrypto: undefined reference to `__imp__CertFreeCertificateContext'
我正在尝试为 windows 目标交叉编译 cachecoin binaries on a linux host using gitian 和 i686-w64-mingw。
编译工作正常，直到静态 linking 依赖项的最后一步。这是我得到的：
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x1ff): undefined reference to `__imp__CertFreeCertificateContext@4'
Google 表示缺少 -lcrypto link 甚至 -lcrypt32。但是在它失败之前的最后一行中，您可以看到它同时 linking。这里有什么问题？
我的 gitian 描述符可用 here. And this is the qmake project file。构建日志的完整尾部：
[...]
i686-w64-mingw32-g++ -c -frandom-seed=cachecoin -D_FORTIFY_SOURCE=2 -msse2 -O2 -frtti -fexceptions -fdiagnostics-show-option -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter -Wstack-protector -DBOOST_THREAD_USE_LIB -DQT_GUI -DBOOST_THREAD_USE_LIB -DBOOST_SPIRIT_THREADSAFE -DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN -D__NO_SYSTEM_INCLUDES -DSCRYPT_CHACHA -DSCRYPT_KECCAK512 -DUSE_QRCODE -DUSE_UPNP=1 -DSTATICLIB -DUSE_IPV6=1 -DCACHECOIN_NEED_QT_PLUGINS -DHAVE_BUILD_INFO -DWIN32 -D_MT -DQT_THREAD_SUPPORT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I'../../staging32/include/QtCore' -I'../../staging32/include/QtNetwork' -I'../../staging32/include/QtGui' -I'../../staging32/include' -I'../../staging32' -I'src' -I'src/json' -I'src/qt' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32/include/ActiveQt' -I'build' -I'build' -I'../../staging32/mkspecs/unsupported/win32-g++-cross' -o build/moc_qrcodedialog.o build/moc_qrcodedialog.cpp
i686-w64-mingw32-g++ -c -frandom-seed=cachecoin -D_FORTIFY_SOURCE=2 -msse2 -O2 -frtti -fexceptions -fdiagnostics-show-option -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter -Wstack-protector -DBOOST_THREAD_USE_LIB -DQT_GUI -DBOOST_THREAD_USE_LIB -DBOOST_SPIRIT_THREADSAFE -DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN -D__NO_SYSTEM_INCLUDES -DSCRYPT_CHACHA -DSCRYPT_KECCAK512 -DUSE_QRCODE -DUSE_UPNP=1 -DSTATICLIB -DUSE_IPV6=1 -DCACHECOIN_NEED_QT_PLUGINS -DHAVE_BUILD_INFO -DWIN32 -D_MT -DQT_THREAD_SUPPORT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I'../../staging32/include/QtCore' -I'../../staging32/include/QtNetwork' -I'../../staging32/include/QtGui' -I'../../staging32/include' -I'../../staging32' -I'src' -I'src/json' -I'src/qt' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32/include/ActiveQt' -I'build' -I'build' -I'../../staging32/mkspecs/unsupported/win32-g++-cross' -o build/qrc_cachecoin.o release/qrc_cachecoin.cpp
i686-w64-mingw32-g++ -Wl,--dynamicbase -Wl,--nxcompat -Wl,--large-address-aware -static-libgcc -static-libstdc++ -Wl,-s -lmingwthrd -Wl,-subsystem,windows -o release/cachecoin-qt.exe object_script.cachecoin-qt.Release -L'/home/ubuntu/staging32/lib' -lmingwthrd -lmingw32 -lqtmain build/cachecoin-qt_res.o -lqrencode -L/home/ubuntu/staging32 -lminiupnpc -liphlpapi -L/home/ubuntu/staging32 -L/home/ubuntu/staging32 -L/home/ubuntu/staging32 -L/home/ubuntu/staging32 -ldb_cxx -lshlwapi -lmswsock -lcrypt32 -lboost_system-mt-s -lboost_filesystem-mt-s -lboost_program_options-mt-s -lboost_thread_win32-mt-s -lboost_chrono-mt-s -L/home/ubuntu/staging32/plugins/codecs -lqcncodecs -lqjpcodecs -lqtwcodecs -lqkrcodecs -L/home/ubuntu/staging32/plugins/accessible -lqtaccessiblewidgets -lQtGui -lQtNetwork -lcomdlg32 -loleaut32 -limm32 -lwinmm -lwinspool -lmsimg32 -lQtCore -L/home/ubuntu/deps32/lib -lssl -lcrypto -lgdi32 -lole32 -luuid -lws2_32 -ladvapi32 -lshell32 -luser32 -lkernel32
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x1ff): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x27f): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0xbf8): undefined reference to `__imp__CertGetCertificateContextProperty@16'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x20f6): undefined reference to `__imp__CertOpenStore@20'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x212d): undefined reference to `__imp__CertEnumCertificatesInStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2208): undefined reference to `__imp__CertDuplicateCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2291): undefined reference to `__imp__CertCloseStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x23c6): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2648): undefined reference to `__imp__CertGetCertificateContextProperty@16'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x27cc): undefined reference to `__imp__CertGetCertificateContextProperty@16'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2bc9): undefined reference to `__imp__CertOpenStore@20'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2ce2): undefined reference to `__imp__CertOpenStore@20'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2d4d): undefined reference to `__imp__CertFindCertificateInStore@24'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2d7d): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2d94): undefined reference to `__imp__CertCloseStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2db3): undefined reference to `__imp__CertEnumCertificatesInStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2e25): undefined reference to `__imp__CertEnumCertificatesInStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x3777): undefined reference to `__imp__CertOpenStore@20'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x37a8): undefined reference to `__imp__CertCloseStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x3829): undefined reference to `__imp__CertEnumCertificatesInStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x388d): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x38c9): undefined reference to `__imp__CertFindCertificateInStore@24'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x39ef): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x3a9b): undefined reference to `__imp__CertFreeCertificateContext@4'
collect2: ld returned 1 exit status
make[1]: *** [release/cachecoin-qt.exe] Error 1
make[1]: Leaving directory `/home/ubuntu/build32/distsrc'
make: *** [release] Error 2
有什么想法吗？
（我宁愿post先在评论中提问，但我的声望还不够。）
仅从您的post来看（我没有尝试自己编译程序），可能是以下三个问题之一：
- 命令行中库的顺序错误（尝试向其添加一个
-lcrypt32）
- 你的mingw-w64包提供的导入库不完整（可以用
nm libcrypt32.a | grep ' T '查看）
- 函数导入不正确（
dllimport vs. dllexport vs. 未修饰，调用约定，...）
再次检查错误日志后，我倾向于认为它是第一个选项，因为 libcrypto 似乎是从 libcrypt32 导入函数，但 -lcrypto 几乎在命令行的末尾并且它后面没有任何 -lcrypt32.
我正在尝试为 windows 目标交叉编译 cachecoin binaries on a linux host using gitian 和 i686-w64-mingw。
编译工作正常，直到静态 linking 依赖项的最后一步。这是我得到的：
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x1ff): undefined reference to `__imp__CertFreeCertificateContext@4'
Google 表示缺少 -lcrypto link 甚至 -lcrypt32。但是在它失败之前的最后一行中，您可以看到它同时 linking。这里有什么问题？
我的 gitian 描述符可用 here. And this is the qmake project file。构建日志的完整尾部：
[...]
i686-w64-mingw32-g++ -c -frandom-seed=cachecoin -D_FORTIFY_SOURCE=2 -msse2 -O2 -frtti -fexceptions -fdiagnostics-show-option -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter -Wstack-protector -DBOOST_THREAD_USE_LIB -DQT_GUI -DBOOST_THREAD_USE_LIB -DBOOST_SPIRIT_THREADSAFE -DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN -D__NO_SYSTEM_INCLUDES -DSCRYPT_CHACHA -DSCRYPT_KECCAK512 -DUSE_QRCODE -DUSE_UPNP=1 -DSTATICLIB -DUSE_IPV6=1 -DCACHECOIN_NEED_QT_PLUGINS -DHAVE_BUILD_INFO -DWIN32 -D_MT -DQT_THREAD_SUPPORT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I'../../staging32/include/QtCore' -I'../../staging32/include/QtNetwork' -I'../../staging32/include/QtGui' -I'../../staging32/include' -I'../../staging32' -I'src' -I'src/json' -I'src/qt' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32/include/ActiveQt' -I'build' -I'build' -I'../../staging32/mkspecs/unsupported/win32-g++-cross' -o build/moc_qrcodedialog.o build/moc_qrcodedialog.cpp
i686-w64-mingw32-g++ -c -frandom-seed=cachecoin -D_FORTIFY_SOURCE=2 -msse2 -O2 -frtti -fexceptions -fdiagnostics-show-option -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter -Wstack-protector -DBOOST_THREAD_USE_LIB -DQT_GUI -DBOOST_THREAD_USE_LIB -DBOOST_SPIRIT_THREADSAFE -DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN -D__NO_SYSTEM_INCLUDES -DSCRYPT_CHACHA -DSCRYPT_KECCAK512 -DUSE_QRCODE -DUSE_UPNP=1 -DSTATICLIB -DUSE_IPV6=1 -DCACHECOIN_NEED_QT_PLUGINS -DHAVE_BUILD_INFO -DWIN32 -D_MT -DQT_THREAD_SUPPORT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I'../../staging32/include/QtCore' -I'../../staging32/include/QtNetwork' -I'../../staging32/include/QtGui' -I'../../staging32/include' -I'../../staging32' -I'src' -I'src/json' -I'src/qt' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32' -I'../../staging32/include/ActiveQt' -I'build' -I'build' -I'../../staging32/mkspecs/unsupported/win32-g++-cross' -o build/qrc_cachecoin.o release/qrc_cachecoin.cpp
i686-w64-mingw32-g++ -Wl,--dynamicbase -Wl,--nxcompat -Wl,--large-address-aware -static-libgcc -static-libstdc++ -Wl,-s -lmingwthrd -Wl,-subsystem,windows -o release/cachecoin-qt.exe object_script.cachecoin-qt.Release -L'/home/ubuntu/staging32/lib' -lmingwthrd -lmingw32 -lqtmain build/cachecoin-qt_res.o -lqrencode -L/home/ubuntu/staging32 -lminiupnpc -liphlpapi -L/home/ubuntu/staging32 -L/home/ubuntu/staging32 -L/home/ubuntu/staging32 -L/home/ubuntu/staging32 -ldb_cxx -lshlwapi -lmswsock -lcrypt32 -lboost_system-mt-s -lboost_filesystem-mt-s -lboost_program_options-mt-s -lboost_thread_win32-mt-s -lboost_chrono-mt-s -L/home/ubuntu/staging32/plugins/codecs -lqcncodecs -lqjpcodecs -lqtwcodecs -lqkrcodecs -L/home/ubuntu/staging32/plugins/accessible -lqtaccessiblewidgets -lQtGui -lQtNetwork -lcomdlg32 -loleaut32 -limm32 -lwinmm -lwinspool -lmsimg32 -lQtCore -L/home/ubuntu/deps32/lib -lssl -lcrypto -lgdi32 -lole32 -luuid -lws2_32 -ladvapi32 -lshell32 -luser32 -lkernel32
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x1ff): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x27f): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0xbf8): undefined reference to `__imp__CertGetCertificateContextProperty@16'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x20f6): undefined reference to `__imp__CertOpenStore@20'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x212d): undefined reference to `__imp__CertEnumCertificatesInStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2208): undefined reference to `__imp__CertDuplicateCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2291): undefined reference to `__imp__CertCloseStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x23c6): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2648): undefined reference to `__imp__CertGetCertificateContextProperty@16'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x27cc): undefined reference to `__imp__CertGetCertificateContextProperty@16'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2bc9): undefined reference to `__imp__CertOpenStore@20'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2ce2): undefined reference to `__imp__CertOpenStore@20'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2d4d): undefined reference to `__imp__CertFindCertificateInStore@24'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2d7d): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2d94): undefined reference to `__imp__CertCloseStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2db3): undefined reference to `__imp__CertEnumCertificatesInStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x2e25): undefined reference to `__imp__CertEnumCertificatesInStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x3777): undefined reference to `__imp__CertOpenStore@20'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x37a8): undefined reference to `__imp__CertCloseStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x3829): undefined reference to `__imp__CertEnumCertificatesInStore@8'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x388d): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x38c9): undefined reference to `__imp__CertFindCertificateInStore@24'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x39ef): undefined reference to `__imp__CertFreeCertificateContext@4'
/home/ubuntu/staging32/lib/libcrypto.a(e_capi.o):e_capi.c:(.text+0x3a9b): undefined reference to `__imp__CertFreeCertificateContext@4'
collect2: ld returned 1 exit status
make[1]: *** [release/cachecoin-qt.exe] Error 1
make[1]: Leaving directory `/home/ubuntu/build32/distsrc'
make: *** [release] Error 2
有什么想法吗？
（我宁愿post先在评论中提问，但我的声望还不够。）
仅从您的post来看（我没有尝试自己编译程序），可能是以下三个问题之一：
- 命令行中库的顺序错误（尝试向其添加一个
-lcrypt32） - 你的mingw-w64包提供的导入库不完整（可以用
nm libcrypt32.a | grep ' T '查看） - 函数导入不正确（
dllimportvs.dllexportvs. 未修饰，调用约定，...）
再次检查错误日志后，我倾向于认为它是第一个选项，因为 libcrypto 似乎是从 libcrypt32 导入函数，但 -lcrypto 几乎在命令行的末尾并且它后面没有任何 -lcrypt32.