[R-pkg-devel] Compilation used the "non-portable flag"

[Goldfeld, Keith]

That definitely makes it easy. Thanks.

-----Original Message-----
From: R-package-devel <r-package-devel-bounces using r-project.org> On Behalf Of Ralf Stubner
Sent: Friday, May 10, 2019 4:41 PM
To: r-package-devel using r-project.org
Subject: Re: [R-pkg-devel] Compilation used the "non-portable flag"

On 10.05.19 22:32, Goldfeld, Keith wrote:
> I am submitting an update to my package ‘simstudy’, and the ran the rhub checks. I received a note from one of the four platforms (the other three passed). The Ubuntu Linux 16.04 objected to the compilation flags:
> 
> * checking compilation flags used ... NOTE Compilation used the 
> following non-portable flag(s):
>   ‘-Wdate-time’ ‘-Werror=format-security’ ‘-Wformat’

You can ignore these messages, c.f. https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_r-2Dhub_rhub_issues_264&d=DwIFaQ&c=j5oPpO0eBH1iio48DtsedeElZfc04rx3ExJHeIIZuCs&r=fPRk5fx5iys38LPukC4wczPXS5KI6iyvPUM-ICDfxh8&m=Y22gFyc69PfyQYs7TnMqsYGg7I65FrV3X2JPEm6_gqM&s=pAEaTHOVB2wL09DSdHLlPHHV1rTEZlSeraj4ENBsUsk&e=

> I did some searching and someone suggested I create a ‘Makevars’ in the ~/.R directory (which is different from my package directory). This is what I included in the Makevars file:

You cannot remove these compiler flags in a package's Makevars file.
Either ignore the warning (that's what I am doing when using rhub), or ask the rhub maintainer to add a suitable ~/.R/Makevars file.

Greetings
Ralf

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