Linux 当存在同名共享库时，如何强制与静态库链接
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How can I force linking with a static library when a shared library of same name is present
提问by user550009
Suppose I have a file main.cppwhich uses sin()function which is defined in libmath. Also suppose that we have both libmath.a and libmath.so available in the same directory. Now if I issue the command g++ -o main main.cpp -lmaththe default behaviour of Linux is to link to the shared library libmath.so. I want to know is there a way to force the program to link with the static library libmath.awithout deleting or moving the shared library?
假设我有一个main.cpp使用sin()在libmath. 还假设我们在同一目录中有 libmath.a 和 libmath.so 可用。现在，如果我发出命令g++ -o main main.cpp -lmath，Linux 的默认行为是链接到共享库libmath.so。我想知道有没有办法强制程序链接静态库libmath.a而不删除或移动共享库？
回答by nos
You'll need to pass the -static to the linker, but only for particular libraries you want. e.g.:
您需要将 -static 传递给链接器，但仅限于您想要的特定库。例如：
g++ -o main main.cpp -Wl,-Bstatic -lmath -Wl,-Bdynamic
回答by karlphillip
Use this function:
使用这个功能：
g++ -o main main.cpp /path_to/libmath.a
回答by Dmitry Yudakov
If your linker supports -l:<filename>you may use:
如果您的链接器支持，-l:<filename>您可以使用：
g++ -o main main.cpp -l:libmath.a
