Re: Arm64 fails to build r-cran-rcpptoml

To: Dirk Eddelbuettel <edd@debian.org>
Cc: Andreas Tille <andreas@an3as.eu>, Debian R <debian-r@lists.debian.org>
Subject: Re: Arm64 fails to build r-cran-rcpptoml
From: Dirk Eddelbuettel <edd@debian.org>
Date: Tue, 24 Jan 2023 08:17:10 -0600
Message-id: <[🔎] 25551.59494.224337.843854@rob.eddelbuettel.com>
In-reply-to: <[🔎] 25551.56913.239757.633245@rob.eddelbuettel.com>
References: <[🔎] Y8+1gq0VEKqXgyUv@an3as.eu> <[🔎] 25551.56356.983075.58586@rob.eddelbuettel.com> <[🔎] 25551.56913.239757.633245@rob.eddelbuettel.com>

Andreas,

Per the discussion with upstream at
  https://github.com/marzer/tomlplusplus/issues/178#issuecomment-1402010516
the RcppTOML codebase is actually pretty close to what upstream has right
now, modulo a changed / failed way to detect when to define TOML_ENABLE_FLOAT16

So you could brute-force this by adding -DTOML_ENABLE_FLOAT16 to src/Makevars
i.e. make the second line

   PKG_CPPFLAGS = -I../inst/include -DTOML_ENABLE_FLOAT16

and see where that gets you.

Dirk

-- 
dirk.eddelbuettel.com | @eddelbuettel | edd@debian.org

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