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I am trying to build a hello world project to see if gtk4-rs is working correctly, which always fails at creating the binaries. The rest of the build seems to fine (tried to run cargo clean and cargo check a couple of times, those do not produce any errors). My Cargo.toml just uses the version specified in the crate:

[dependencies]
gtk4 = "0.4.8"

My error is exactly the same as the one in this question, but running the cargo build in an admin powershell also fails with the same error.

I am on Win 11 and I've followed the installation instructions linked to by GTK themselves, https://github.com/wingtk/gvsbuild.

The linking error seems to indicate that gobject-2.0.lib is missing:

LINK : fatal error LNK1181: cannot open input file 'gobject-2.0.lib'

(Full error message (with redacted user directory) on Pastebin)

That file is found at c:\gtk-build\gtk\x64\release\lib, which is the default location for an installation produced by gvsbuild, as far as I can tell (I haven't messed with the files at all). Both c:\gtk-build\gtk\x64\release\lib and c:\gtk-build\gtk\x64\release\bin are part of the path, restarting the machine did not seem to fix anything in this regard either.

I have not found anything close to helpful on the internet, so any pointers to what could be wrong here would be great.

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  • After poking around for a bit more, I think the the problem lies in the fact that - for some reason - in the LIBPATH for several files is incorrectly set to "/LIBPATH:C:gtk-buildgtkx64release/lib", which should(?) be "/LIBPATH:C:\\gtk-build\\gtk\\x64\\release\\lib". I cannot see why this occurs, what causes this or how I could fix this. Commented Sep 20, 2022 at 14:50
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