[R-pkg-devel] R_MAKEVARS_USER fail to pass down to sub-makes?

Jim Hester j@me@@|@he@ter @end|ng |rom gm@||@com
Wed Jun 17 21:33:47 CEST 2020

I think the issue is likely that you seem to be using a relative path to
the R_MAKEVARS_USER file, it needs to be an absolute path as the
installation is run in a temporary directory not from the directory you
call `R CMD INSTALL` from.
I observed similar behavior to what you describe when I had the
MAKEVARS_USER file as a relative path, but using an absolute path produced
the expected result.

On Mon, Jun 1, 2020 at 8:04 AM Jan Gorecki <j.gorecki using wit.edu.pl> wrote:

> Hi package devel support,
> I am trying to use R_MAKEVARS_USER to customize build, rather than
> .R/Makevars. It is properly displayed from config CFLAGS but during
> package install it doesn't seem to work.
> In R-admin in "6.3.3 Customizing package compilation" there is:
> > Note that these mechanisms do not work with packages which fail to pass
> settings down to sub-makes, perhaps reading etc/Makeconf in makefiles in
> subdirectories.
> It seems that it applies to me. How should I debug that? to make this
> env var respected? Note that my pkg has src/Makevars to handle openmp
> switch nicely
> Thank you
> system("R_MAKEVARS_USER=library/gcc/O3/Makevars R CMD config CFLAGS")
> -O3
> system("R_MAKEVARS_USER=library/gcc/O3/Makevars R CMD INSTALL
> --library=library/gcc/O3 mypkg_1.0.0.tar.gz")
> * installing *source* package 'mypkg' ...
> ** using staged installation
> ** libs
> gcc -std=gnu99 -I"/usr/share/R/include" -DNDEBUG    -fopenmp -fpic  -g
> -O2 -fdebug-prefix-map=/build/r-base-V28x5H/r-base-3.6.3=.
> -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time
> -D_FORTIFY_SOURCE=2 -g  -c assign.c -o assign.o
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