iB::Topic::Check for dependencies

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Topic: Check for dependencies, Can it be done?

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Juanito

Group: Members
Posts: 1601
Joined: Sep. 2005

Posted: Mar. 12 2007,04:03

Is there a way to check what libraries (and other files) an exectutable depends upon apart from trial and error?

The reason I ask is that I have made several extensions from Debian stable that contain many packages and I am not at all sure that all of the libraries (or other files) in the packages are required.

In the case of bluez-utils, I tried compiling from binaries but the result is even larger (admittedly for a more recent version) than the Debian stable package version.

mikshaw

Group: Members
Posts: 4856
Joined: July 2004

Posted: Mar. 12 2007,04:11

ldd /path/to/executable

This will tell you what libraries are needed by an executable, but I don't think it will tell you if those libraries depend on other libraries.

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http://www.tldp.org/LDP/intro-linux/html/index.html

Felson

Group: Members
Posts: 54
Joined: Jan. 2007

Posted: Mar. 12 2007,16:12

Ya, ldd is what you are looking for. However, some programs load things useing an "exec" commmand (eg shell execute) So, ldd tells you all the libs you need for your current executable, but you will still need to test all the functions to be sure they work. then ldd any other executables that are needed from there.