Specifying C Standard in Package's Makevars File
WRE explains for C++11 14 etc standards but I don't know about C https://cran.r-project.org/doc/manuals/r-release/R-exts.html#Using-C_002b_002b11-code BTW I believe this question would be more appropriate for R-package-devel. On Mon, Sep 28, 2020 at 4:44 AM Andreas Kersting <r-devel at akersting.de> wrote:
Hi, what is the correct way to specify a C standard in a package's Makevars file? Building a package with e.g. PKG_CFLAGS = -std=gnu11 does work but R CMD check issues a warning: * checking compilation flags in Makevars ... WARNING Non-portable flags in variable 'PKG_CFLAGS': -std=gnu11 (Same for -std=c11.) Thanks! Regards, Andreas Kersting
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