为什么构建目录中新构建的共享库与安装目录中的副本具有不同的依赖项集?

Why does my newly built shared library in the build directory have a different set of dependencies compared to the copy in the install directory?

本文关键字:构建 副本 依赖 新构建 共享 为什么 安装      更新时间:2023-10-16

谁能告诉我为什么我的构建路径中的共享库与安装目录中的共享库具有一组不同的依赖项?

(base) ciaran@DESKTOP-K0APGUV:/mnt/d/libOmexMeta/cmake-build-release-wsl-ubuntu1804-gcc101/lib$ pwd
/mnt/d/libOmexMeta/cmake-build-release-wsl-ubuntu1804-gcc101/lib
(base) ciaran@DESKTOP-K0APGUV:/mnt/d/libOmexMeta/cmake-build-release-wsl-ubuntu1804-gcc101/lib$ build_dir=/mnt/d/libOmexMeta/cmake-build-release-wsl-ubuntu1804-gcc101/lib
(base) ciaran@DESKTOP-K0APGUV:/mnt/d/libOmexMeta/cmake-build-release-wsl-ubuntu1804-gcc101/lib$ install_dir=/mnt/d/libOmexMeta/install-ubuntu/lib
(base) ciaran@DESKTOP-K0APGUV:/mnt/d/libOmexMeta/cmake-build-release-wsl-ubuntu1804-gcc101/lib$ ldd -d $build_dir/libOmexMeta.so
linux-vdso.so.1 (0x00007ffffd3fb000)
libxml2.so.2 => /usr/lib/x86_64-linux-gnu/libxml2.so.2 (0x00007f417fb20000)
libxslt.so.1 => /usr/lib/x86_64-linux-gnu/libxslt.so.1 (0x00007f417f8e3000)
libsqlite3.so.0 => /usr/lib/x86_64-linux-gnu/libsqlite3.so.0 (0x00007f417f5da000)
libdb-5.3.so => /usr/lib/x86_64-linux-gnu/libdb-5.3.so (0x00007f417f231000)
libpq.so.5 => /home/ciaran/vcpkg/installed/x64-linux/lib/libpq.so.5 (0x00007f417ed06000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f417eb02000)
libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f417e72e000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f417e390000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f417e178000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f417dd87000)
libicuuc.so.60 => /usr/lib/x86_64-linux-gnu/libicuuc.so.60 (0x00007f417d9cf000)
libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f417d7b2000)
liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007f417d58c000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f417d36d000)
/lib64/ld-linux-x86-64.so.2 (0x00007f418089c000)
libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007f417b7c4000)

相比

(base) ciaran@DESKTOP-K0APGUV:/mnt/d/libOmexMeta/cmake-build-release-wsl-ubuntu1804-gcc101/lib$ ldd -d $install_dir/libOmexMeta.so
linux-vdso.so.1 (0x00007ffe5c1c7000)
libxml2.so.2 => /usr/lib/x86_64-linux-gnu/libxml2.so.2 (0x00007fa93452b000)
libxslt.so.1 => /usr/lib/x86_64-linux-gnu/libxslt.so.1 (0x00007fa9342ee000)
libsqlite3.so.0 => /usr/lib/x86_64-linux-gnu/libsqlite3.so.0 (0x00007fa933fe5000)
libdb-5.3.so => /usr/lib/x86_64-linux-gnu/libdb-5.3.so (0x00007fa933c3c000)
libpq.so.5 => /usr/lib/x86_64-linux-gnu/libpq.so.5 (0x00007fa9339ee000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fa9337ea000)
libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007fa933416000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fa933078000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007fa932e60000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fa932a6f000)
libicuuc.so.60 => /usr/lib/x86_64-linux-gnu/libicuuc.so.60 (0x00007fa9326b7000)
libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007fa93249a000)
liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007fa932274000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fa932055000)
libssl.so.1.1 => /usr/lib/x86_64-linux-gnu/libssl.so.1.1 (0x00007fa931dc8000)
libcrypto.so.1.1 => /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 (0x00007fa9318fd000)
libgssapi_krb5.so.2 => /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2 (0x00007fa9316b2000)
libldap_r-2.4.so.2 => /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2 (0x00007fa931460000)
/lib64/ld-linux-x86-64.so.2 (0x00007fa9352a7000)
libicudata.so.60 => /usr/lib/x86_64-linux-gnu/libicudata.so.60 (0x00007fa92f8b7000)
libkrb5.so.3 => /usr/lib/x86_64-linux-gnu/libkrb5.so.3 (0x00007fa92f5e1000)
libk5crypto.so.3 => /usr/lib/x86_64-linux-gnu/libk5crypto.so.3 (0x00007fa92f3af000)
libcom_err.so.2 => /lib/x86_64-linux-gnu/libcom_err.so.2 (0x00007fa92f1ab000)
libkrb5support.so.0 => /usr/lib/x86_64-linux-gnu/libkrb5support.so.0 (0x00007fa92efa0000)
liblber-2.4.so.2 => /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2 (0x00007fa92ed92000)
libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007fa92eb77000)
libsasl2.so.2 => /usr/lib/x86_64-linux-gnu/libsasl2.so.2 (0x00007fa92e95c000)
libgssapi.so.3 => /usr/lib/x86_64-linux-gnu/libgssapi.so.3 (0x00007fa92e71b000)
libgnutls.so.30 => /usr/lib/x86_64-linux-gnu/libgnutls.so.30 (0x00007fa92e3b5000)
libkeyutils.so.1 => /lib/x86_64-linux-gnu/libkeyutils.so.1 (0x00007fa92e1b1000)
libheimntlm.so.0 => /usr/lib/x86_64-linux-gnu/libheimntlm.so.0 (0x00007fa92dfa8000)
libkrb5.so.26 => /usr/lib/x86_64-linux-gnu/libkrb5.so.26 (0x00007fa92dd1b000)
libasn1.so.8 => /usr/lib/x86_64-linux-gnu/libasn1.so.8 (0x00007fa92da79000)
libhcrypto.so.4 => /usr/lib/x86_64-linux-gnu/libhcrypto.so.4 (0x00007fa92d843000)
libroken.so.18 => /usr/lib/x86_64-linux-gnu/libroken.so.18 (0x00007fa92d62d000)
libp11-kit.so.0 => /usr/lib/x86_64-linux-gnu/libp11-kit.so.0 (0x00007fa92d2fe000)
libidn2.so.0 => /usr/lib/x86_64-linux-gnu/libidn2.so.0 (0x00007fa92d0e1000)
libunistring.so.2 => /usr/lib/x86_64-linux-gnu/libunistring.so.2 (0x00007fa92cd63000)
libtasn1.so.6 => /usr/lib/x86_64-linux-gnu/libtasn1.so.6 (0x00007fa92cb50000)
libnettle.so.6 => /usr/lib/x86_64-linux-gnu/libnettle.so.6 (0x00007fa92c91a000)
libhogweed.so.4 => /usr/lib/x86_64-linux-gnu/libhogweed.so.4 (0x00007fa92c6e6000)
libgmp.so.10 => /usr/lib/x86_64-linux-gnu/libgmp.so.10 (0x00007fa92c465000)
libwind.so.0 => /usr/lib/x86_64-linux-gnu/libwind.so.0 (0x00007fa92c23c000)
libheimbase.so.1 => /usr/lib/x86_64-linux-gnu/libheimbase.so.1 (0x00007fa92c02d000)
libhx509.so.5 => /usr/lib/x86_64-linux-gnu/libhx509.so.5 (0x00007fa92bde3000)
libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007fa92bbab000)
libffi.so.6 => /usr/lib/x86_64-linux-gnu/libffi.so.6 (0x00007fa92b9a3000)

这些是新建的二进制文件,所以我不明白为什么它们不同。

当你运行ldd时,你不仅会看到你的直接依赖关系,还会看到你的依赖关系的间接依赖关系。 共享库所依赖的库在两个不同的位置具有不同的依赖项。

特别是,在一个位置,它使用

libpq.so.5 => /home/ciaran/vcpkg/installed/x64-linux/lib/libpq.so.5

而在另一个是

libpq.so.5 => /usr/lib/x86_64-linux-gnu/libpq.so.5

这反过来又带来了不同的库集。

我同意KamilCuk的观点。

尽管这两个文件具有相同的名称,但它们可能不同。使用md5sum进行检查。

为避免RPATH副作用,请使用ldd -r option