CODEWITHSUNDEEP
raspberry-piraspbianlibpcappkg-config
lucaswxp
lucaswxp

Reputation: 2119

How to make libpcap be found by pkg-config

I'm trying to adjust the dependencies of a software that requires libpcap to be installed, but for some reason it cannot find it.

This software uses pkg-config to try to find the dependency libpcap, and I can see libpcap-dev is installed, and so does libpcap0.8:

dpkg -s libpcap-dev:

Package: libpcap-dev
Status: install ok installed
Priority: optional
Section: libdevel
Installed-Size: 34
Maintainer: Romain Francoise <[email protected]>
Architecture: armhf
Multi-Arch: same
Source: libpcap
Version: 1.8.1-6
Depends: libpcap0.8-dev

dpkg -s libpcap0.8

Package: libpcap0.8
Status: install ok installed
Priority: optional
Section: libs
Installed-Size: 286
Maintainer: Romain Francoise <[email protected]>
Architecture: armhf
Multi-Arch: same
Source: libpcap
Version: 1.8.1-6
Replaces: libpcap0.8-dev (<< 1.0.0-2)
Depends: libc6 (>= 2.11)

I also can see the shared library exists ldconfig -p | grep libpcap:

    libpcap.so.0.8 (libc6,hard-float) => /lib/arm-linux-gnueabihf/libpcap.so.0.8
    libpcap.so (libc6,hard-float) => /lib/arm-linux-gnueabihf/libpcap.so

But pkg-config --modversion libpcap still cant find it. I also looked up all $PKG_DIR_PATH available, none of them has a libpcap.pc config file.

This is what I'm trying to build: https://github.com/martinpitt/umockdev

I have no idea on how can I inform pkg-config about the existence of libpcap.

Upvotes: 0

Views: 2892

Answers (1)

user16139739
user16139739

Reputation: 1155

The libpcap on your system is based on the tcpdump.org libpcap 1.8.1 release. That release did not provide .pc files, and Debian didn't bother providing them itself.

.pc files were added in libpcap 1.9, so 1.9.0, and all later releases, including the current 1.10.1 release, provide .pc files.

You will either need to:

  1. upgrade the OS on your machine to something that provides a 1.9 or 1.10 libpcap release;
  2. download and install libpcap 1.10.1 yourself;
  3. change umockdev to use the pcap-config script if it's present and no .pc files are present.

Upvotes: 2

Related Questions