mesonbuild/meson

Missing dependencies are included in valac arguments

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#1484 opened on Mar 20, 2017

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dependencieshelp wantedlanguage:vala

Description

This is an issue with gio-unix-2.0 and gio-windows-2.0 since only one is available on each platform and when including both in dependencies, it break both.

The current solution is to conditionally construct a dependency array, but that's not really convenient.

Contributor guide

Tech stack
python
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.
clear
Prerequisites
Meson build systemVala dependency handling
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Investigate how Meson currently handles platform specific dependencies, especially for Vala. Look at the valac compiler detection and dependency inclusion logic in the Meson source code (e.g., mesonbuild/backend/valabackend.py or similar). Consider implementing a solution that automatically filters dependencies based on platform availability, similar to existing conditional checks for other languages.