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Add versions to link properties in manifest #1104

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Fix for #1103

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codecov bot commented Oct 18, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (42d0816) to head (270648d).

Additional details and impacted files
@@            Coverage Diff            @@
##              main     #1104   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           71        71           
  Lines        11949     11949           
=========================================
  Hits         11949     11949           

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@LeonMatthesKDAB LeonMatthesKDAB left a comment

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I think we may run into issues with reexport_dependency if multiple compatible minor versions exist...

@@ -46,7 +46,7 @@ fn main() {
// Disable exporting the standard include directory, as we are exporting custom headers
.export_include_prefixes([])
.export_include_directory(header_dir(), "cxx-qt-lib-extras")
.reexport_dependency("cxx-qt-lib");
.reexport_dependency("cxx-qt-lib-0-6-1");
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@LeonMatthesKDAB LeonMatthesKDAB Oct 21, 2024

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Ah, this is a problem!
With Cargos dependency resolver, we may end up with cxx-qt-lib 0.6.2 as the actual dependency here, as it can choose another compatible version.
In which case, reexport_dependency would no longer work!

And we have the same issue with future minor versions, where Cargo may choose a newer version...
So maybe we only include the part of the version in the links key that actually includes a "breaking change".
E.g. cxx-qt-lib-0.6.
However, that will lead to issues if two downstream dependencies enforce exact minor versions that then will have conflicting links keys...

The other route in which we could solve this issue is to use another name in the reexport_dependency.
I guess we could use the name from the manifest instead 🤔

Any opinions @BenFordTytherington @ahayzen-kdab ?

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3 participants