Linker fails to find libraries in unstable but succeeds in testing

[Andreas Tille <andreas@an3as.eu>]

Hi,

thanks to the next round of Lucas' FTBFS QA rebuilds (at least) one
package of the R pkg team is affected by some strange linker issue
 
#1066409 r-cran-v8: FTBFS: ld: cannot find -lv8: No such file or directory
which boils down to[1]

g++ -std=gnu++17 -shared -L/usr/lib/R/lib -Wl,-z,relro -o V8.so RcppExports.o bindings.o -lv8 -lv8_libplatform -L/usr/lib/R/lib -lR
/usr/bin/ld: cannot find -lv8: No such file or directory
/usr/bin/ld: cannot find -lv8_libplatform: No such file or directory

The Build-Depends libnode-dev provides both libraries and when I try to
build the package under testing all is fine.  Is there any linker issue
involved that might be introduced in unstable?

Kind regards
    Andreas.

[1] https://salsa.debian.org/r-pkg-team/r-cran-v8/-/jobs/5446089

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