mesonbuild/meson

gnome module doesn't give a clear error on missing gobject-introspection-1.0.pc files

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#2,664 opened on Nov 20, 2017

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buggnomehelp wanted

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Description

When running meson build on a a system without the libgirepository1.0-dev package installed, I got this very cryptic error:

Program g-ir-scanner found: YES (/usr/bin/g-ir-scanner)
Program g-ir-compiler found: YES (/usr/bin/g-ir-compiler)
Meson encountered an error in file subprojects/gstreamer/gst/meson.build, line 270, column 4:
gobject-introspection dependency was not found, gir cannot be generated.

I'd expect to have the error I found in the meson logs show up in the main config:

Determining dependency 'gobject-introspection-1.0' with pkg-config executable '/usr/bin/pkg-config'

Contributor guide

Research direction
Implement a clearer error message when gobject introspection 1.0.pc is not found by showing the pkg config failure details.
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.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
PythonMeson
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70