[mikomikotaishi]

This PR adds support for C++20 modules, which can be enabled if the version of C++ is at least C++20 (and is opt-in, therefore not raising the minimum C++ version). It is enabled using JSONCPP_WITH_MODULE and creates a module jsoncpp.

[greptile-apps]

Confidence Score: 5/5

[Medium impact] The changes appear safe to merge; both numbered previous findings are addressed.

Summary

Adds an opt-in C++20 module named jsoncpp, exposed through jsoncpp::module.

• C++20 projects can import JsonCpp through an opt-in module.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart LR
    Config["find_package(jsoncpp)"] --> Exports["Load jsoncpp-targets.cmake"]
    Exports --> Module["jsoncpp_module"]
    Module --> Alias["jsoncpp::module"]
    Module --> Library["Selected JsonCpp library"]

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_{Reviews (4) · Last reviewed commit: "Address Greptile suggestions for module ..." · Reviewed by Greptile}

[coveralls]

Coverage Report for CI Build 40347579800

Coverage remained the same at 89.926%

Details

• Coverage remained the same as the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	2740
Covered Lines:	2615
Line Coverage:	95.44%
Relevant Branches:	2640
Covered Branches:	2223
Branch Coverage:	84.2%
Branches in Coverage %:	Yes
Coverage Strength:	23835.16 hits per line

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💛 - Coveralls