[R-pkg-team] Bug#1064135: Help needed to pass -fsigned-char to r-cran-bigmemory

[Dirk Eddelbuettel]

On 12 May 2025 at 12:06, Charles Plessy wrote:
| Thanks a lot Dirk for putting me in the right direction!
| 
| So I persevered a bit more with src/Makevars and ran R CMD INSTALL from 
| outside Debian's build system first, which leads me to figure out that 
| src/Makevars was unconditionally overwritten by the ./configure script. 
| Patching this file allowed me to inject -fsigned-char in the build.

Perfect.  Creating (or adjusting) src/Makevars is a common pattern, I mostly
start from an existing src/Makevars.in.  It's sneakier here but I am glad you
found it.
 
| I will upload this soon and hope it fixes the issue on arm64 and the like.

Sounds good. 

Cheers, Dirk

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