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fredboudon/lpy 7

An open source python version of the Lindenmayer Systems.

jwintz/qtrace 3

Proof of concept project aiming at using concurrency to render fractal images with Qt and Qml

fredboudon/plantgl 1

An open-source graphic toolkit for the creation, simulation and analysis of 3D virtual plants.

issue commentAndrewGaspar/corrosion

macos BigSur: ld: library not found for -lSystem

Same here. Have you found a relevant and reproducible way to get corrosion add the SDK root to the include directories ?

This bug is especially problematic in the context of cross platform builds, using e.g. iOS toolchains.


comment created time in 13 days

issue commentwoboq/qmetaobject-rs

Is it possible to write all-Rust custom scenegraph nodes?

On educational purposes and discussion. Is there a discord server or whatever the tool to elaborate on qmetaobject-rs whenever issues don’t fit ? That would be awesome.


comment created time in 2 months

issue commentwoboq/qmetaobject-rs

Disable WebEngine example on Windows + MinGW

If I may, the same fix would be awesome for Qt >= 6.0.0, and that holds so far with 6.2.0 alpha ;-)

On 3 Jul 2021, at 19:44, ratijas ***@***.***> wrote:


Qt does not ship pre-built WebEngine component for Windows MinGW target, so we should find a way to exclude it from the list of default targets on that platform's target triple.


Running simple cargo build in qmetaobject-rs repository on Windows with MinGW environment results in build failure:

Compiling qmetaobject v0.2.2 (C:\Users\ratijas\projects\qmetaobject-rs\qmetaobject)

Compiling graph v0.1.0 (C:\Users\ratijas\projects\qmetaobject-rs\examples\graph)

The following warnings were emitted during compilation:

warning: src\ fatal error: QtWebEngine/QtWebEngine: No such file or directory

warning: #include <QtWebEngine/QtWebEngine>

warning: ^~~~~~~~~~~~~~~~~~~~~~~~~

warning: compilation terminated.

error: failed to run custom build command for qmetaobject v0.2.2 (C:\Users\ratijas\projects\qmetaobject-rs\qmetaobject)

Caused by:

process didn't exit successfully: C:\Users\ratijas\projects\qmetaobject-rs\target\debug\build\qmetaobject-4c86368b25d7a0a5\build-script-build (exit code: 1)

--- stdout

TARGET = Some("i686-pc-windows-gnu")

OPT_LEVEL = Some("0")

HOST = Some("x86_64-pc-windows-gnu")


running: "g++.exe" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-fno-omit-frame-pointer" "-m32" "-I" "C:\Users\ratijas\projects\qmetaobject-rs\qmetaobject" "-I" "C:/Qt/5.15.2/mingw81_32/include" "-Wall" "-Wextra" "-std=c++11" "-o" "C:\Users\ratijas\projects\qmetaobject-rs\target\i686-pc-windows-gnu\debug\build\qmetaobject-54d9dbd8cb0dbb47\out\rust_cpp\cpp_closures.o" "-c" "C:\Users\ratijas\projects\qmetaobject-rs\target\i686-pc-windows-gnu\debug\build\qmetaobject-54d9dbd8cb0dbb47\out\rust_cpp\cpp_closures.cpp"

cargo:warning=src\ fatal error: QtWebEngine/QtWebEngine: No such file or directory

cargo:warning= #include <QtWebEngine/QtWebEngine>

cargo:warning= ^~~~~~~~~~~~~~~~~~~~~~~~~

cargo:warning=compilation terminated.

exit code: 1


Manually specify packages to exclude from workspace builds:

cargo build --workspace --exclude webengine Solution

I don't think politely asking Qt to ship pre-built WebEngine for MinGW is a viable solution, so let's try to mitigate the issue with Rust tools.

Cargo supports workspace-level package selection via default-members key. Cons:

Disables package for all platforms and targets; Requires typing in every package twice, except excluded ones. You might think that there's an exclude key for this task, but turns out it's for something else — preventing directories entirely from even being scanned by cargo. Anyway, I tried with Cargo.toml and .cargo/config.toml, and none of that works with triple-specific sections.

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comment created time in 2 months


started time in 2 months

issue commentwoboq/qmetaobject-rs

macOS errors durning build.

Hi, I'm considering switching many Qt-based projects to rust so I've been following this repo for a little while.

My last attempt at building both qmetaobject-rs and any rust project using it as a crate for 0.2.2 ends up in inconsistent rpath in the resulting binaries.

It can easily be fixed with install_name_tool but I'm investigating for a real fix.

Using universal Qt6.2.0-alpha (x86_64 + aarch64) from the online installer on a Mac M1.

I'm very new to rust but with some guidance I'll be glad to test and provide feedback.


comment created time in 3 months