Eclipse cannot find library

Question

I have a problem with adding library to my c project in eclipse. I have libraries *.lib which I have to add to my project. I've added them in "paths and symbols-> libraries" (only names of the libraries) and the path to the libraries directory in "paths and symbols-> library path)

I do everything as it is in the user guide but linker shows that he cannot find this libraries. Any ideas?

You must also add linker flags like -l<library-name> for each library you use. For example, -lACE for libACE.so. — user2556165
– user2556165, Commented Jul 18, 2016 at 9:30
when I add library to paths and symbols I have it automatically in the c/c++ build/linker/settings and there is a full directory to the library — kmbm
– kmbm, Commented Jul 18, 2016 at 9:52

score 2 · Accepted Answer · 2016-07-18 15:39:17Z

2

In short:

Edit library from full path to library name like:

<path>/lib<name>.so to <name>

This will lead to linking with flag -l<name> which is right.

I got the same issue as you by following to your steps. I used ACE library for testing.

I added ACE library to Project/Properties/C/C++ General/Paths and Symbols/Libraries
I added path to libraries to Project/Properties/C/C++ General/Paths and Symbols/Library Paths

After that, in Project/Properties/C/C++ Build/Settings/Libraries I've got:

/usr/local/lib/libACE.so as library.
/usr/local/lib as library path.

That lead to linking with flag -l/usr/local/lib/libACE.so which isn't right. As I know, there shouldn't be lib prefix when using -l flag.

When I changed /usr/local/lib/libACE.so to ACE in Project/Properties/C/C++ Build/Settings/Libraries, linking went normally.

This is the test code I compiled:

#include <ace/Time_Value.h>

int main() {

    ACE_Time_Value t;
    t.msec(1000);

}

edited Jul 18, 2016 at 15:39

answered Jul 18, 2016 at 10:20

user2556165

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1 Comment

kmbm Over a year ago

Thanks, but it still cannot find this library

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