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Remove obsolete CXX_STD = CXX11 to allow Armadillo 15.0.x migration#16

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eddelbuettel wants to merge 1 commit intoboennecd:masterfrom
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Remove obsolete CXX_STD = CXX11 to allow Armadillo 15.0.x migration#16
eddelbuettel wants to merge 1 commit intoboennecd:masterfrom
eddelbuettel:master

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@eddelbuettel eddelbuettel commented Sep 20, 2025

Armadillo 15.0.* now makes C++14 the minimum compilation standard. For most packages, adapting to it can be very simple, and yours is one of them. In this PR we simply remove the declaration from DESCRIPTION -- and no other changes are needed. (I noticed in my fork that the GH Action failed, it appears to be a bit dated. As I use a the much simpler setup r-ci I made no change but I would be happy to provide a simpler, more robust CI script (albeit without Windows or old versions: I rely on r-universe there). Let me if that would help.)

Please see issues #475 and below for context, and notably #489 for this first wave of PRs. It would be terrific if you could make an upload to CRAN 'soon' to remove the reliance on C++11 which we needed in the past, but which is by now a hindrance. Please do not hesitate to reach out if I can assist in any way or clarify matters.

/cc @kurthornik

PS Just for kicks I opened a branch with a simpler ci.yaml, you can see the successful run here

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