Windows 下使用工具：
https://github.com/lucasg/Dependencies

Linux 下, 可用ldd 工具查看依赖，但ldd无法查看具体的依赖关系，推荐一个好用的工具：

 sudo apt-get install pax-utils 
 lddtree  *.so

你会得到一个依赖树：

lddtree cv2.cpython-37m-x86_64-linux-gnu.so 
cv2.cpython-37m-x86_64-linux-gnu.so => ./cv2.cpython-37m-x86_64-linux-gnu.so (interpreter => none)
    libpng15-ce838cd1.so.15.13.0 => ./../opencv_python.libs/libpng15-ce838cd1.so.15.13.0
    libavcodec-64ac49e1.so.58.91.100 => ./../opencv_python.libs/libavcodec-64ac49e1.so.58.91.100
        libswresample-83ce3247.so.3.7.100 => not found
        libvpx-392cd848.so.6.4.0 => not found
    libavformat-4b79e479.so.58.45.100 => ./../opencv_python.libs/libavformat-4b79e479.so.58.45.100
        libbz2-a273e504.so.1.0.6 => not found
        libssl-6082116c.so.1.1 => not found
        libcrypto-018b8c17.so.1.1 => not found
    libavutil-805734e8.so.56.51.100 => ./../opencv_python.libs/libavutil-805734e8.so.56.51.100
    libswscale-7e960168.so.5.7.100 => ./../opencv_python.libs/libswscale-7e960168.so.5.7.100
    libQt5Widgets-e69d94fb.so.5.15.0 => ./../opencv_python.libs/libQt5Widgets-e69d94fb.so.5.15.0
scanelf: rpath_security_checks(): Maybe? sec problem with DT_RPATH='opencv_python.libs' in ./../opencv_python.libs/libQt5Widgets-e69d94fb.so.5.15.0
        libGL.so.1 => /lib/x86_64-linux-gnu/libGL.so.1
            libGLX.so.0 => /lib/x86_64-linux-gnu/libGLX.so.0
                libX11.so.6 => /lib/x86_64-linux-gnu/libX11.so.6
                    libxcb.so.1 => /lib/x86_64-linux-gnu/libxcb.so.1
                        libXau.so.6 => /lib/x86_64-linux-gnu/libXau.so.6
                        libXdmcp.so.6 => /lib/x86_64-linux-gnu/libXdmcp.so.6
                            libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0
                libXext.so.6 => /lib/x86_64-linux-gnu/libXext.so.6
            libGLdispatch.so.0 => /lib/x86_64-linux-gnu/libGLdispatch.so.0
    libQt5Gui-ba0a2070.so.5.15.0 => ./../opencv_python.libs/libQt5Gui-ba0a2070.so.5.15.0
    libQt5Test-c38a5234.so.5.15.0 => ./../opencv_python.libs/libQt5Test-c38a5234.so.5.15.0
    libQt5Core-39545cc7.so.5.15.0 => ./../opencv_python.libs/libQt5Core-39545cc7.so.5.15.0
        libgthread-2.0.so.0 => /lib/x86_64-linux-gnu/libgthread-2.0.so.0
        libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0
            libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3
    libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1
    libopenblas-r0-f650aae0.3.3.so => ./../opencv_python.libs/libopenblas-r0-f650aae0.3.3.so
        libgfortran-91cc3cb1.so.3.0.0 => not found
    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
    librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1
    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2
    libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6
    libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
    ld-linux-x86-64.so.2 => /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2

otool 查看动态库链接

下面栗子中查看 Cube的依赖动态库，实际可用换为自己需要查看的库。

bogon:bin ternence.hsu$ otool -L Cube 
Cube:
	/usr/local/opt/glew/lib/libGLEW.2.1.dylib (compatibility version 2.1.0, current version 2.1.0)
	/System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 23.0.0)
	/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0)
	/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
	/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 1575.17.0)
	/System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo (compatibility version 1.2.0, current version 1.5.0)
	/usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 400.9.4)
	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1252.250.1)
	/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit (compatibility version 45.0.0, current version 1671.60.107)
	/System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics (compatibility version 64.0.0, current version 1265.9.0)
	/System/Library/Frameworks/Foundation.framework/Versions/C/Foundation (compatibility version 300.0.0, current version 1575.17.0)
	/usr/lib/libobjc.A.dylib (compatibility version 1.0.0, current version 228.0.0)

查看动态库依赖3种方法

(1) $ ldd /bin/grep
        linux-gate.so.1 =>  (0xffffe000)
        libc.so.6 => /lib/libc.so.6 (0xb7eca000)
        /lib/ld-linux.so.2 (0xb801e000)
 
(2) $ LD_TRACE_LOADED_OBJECTS=1 /bin/grep
        linux-gate.so.1 =>  (0xffffe000)
        libc.so.6 => /lib/libc.so.6 (0xb7e30000)
        /lib/ld-linux.so.2 (0xb7f84000)
 
(3) $ LD_TRACE_LOADED_OBJECTS=1 /lib/ld-linux.so.2 /bin/grep
        linux-gate.so.1 =>  (0xffffe000)
        libc.so.6 => /lib/libc.so.6 (0xb7f7c000)
        /lib/ld-linux.so.2 (0xb80d0000)

也可以通过readelf 查看：
使用readelf，废话不多少，直接上例子：

$ readelf -d /bin/ls | grep "Shared library"
 0x0000000000000001 (NEEDED)             Shared library: [libselinux.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [librt.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libacl.so.1]

另外LDD 的一个安全问题

动态链接器是操作系统的一部分，负责按照可执行程序运行时的需要装入与链接共享库。装入是指把共享库在永久存储上的内容复制到内存，链接是指填充跳转表（jump table）与重定位指针。
其中：
ld.so是Unix或类Unix系统上的动态链接器，常见的有两个变体：

ld.so针对a.out格式的二进制可执行文件
ld-linux.so针对ELF格式的二进制可执行文件