mesonbuild/meson

pkgconfig: do not generate libdir entry in pkg-config file when no libraries are requested

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#2253 opened on Aug 28, 2017

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Description

In that case, pkg-config files should be installed in /usr/share/pkgconfig which breaks multilib..

Contributor guide

Tech stack
pythonshell
Domain
build system
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
Knowledge of Meson build systemUnderstanding of pkg config files
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Start by examining the Meson source code, specifically the 'mesonbuild/modules/pkgconfig.py' file. Look for where the 'libdir' entry is added to the generated .pc file. The issue states that when no libraries are requested, the libdir entry should not be generated. Search for conditional logic related to 'Libs' or 'libraries' in that module. There are no linked PRs or comments, so you may need to understand the expected behavior from the issue description and the PkgConfig specification. Consider testing the change with a minimal example that has no libraries.