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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