[R-pkg-team] updating r-cran-v8 in experimental

[Jérémy Lal]

Le mer. 12 juin 2019 à 17:52, Jeroen Ooms <jeroen at berkeley.edu> a écrit :

> On Wed, Jun 12, 2019 at 5:46 PM Jérémy Lal <kapouer at melix.org> wrote:
> >
> >
> >
> > Le mer. 12 juin 2019 à 17:37, Jeroen Ooms <jeroen at berkeley.edu> a écrit
> :
> >>
> >> On Wed, Jun 12, 2019 at 10:58 AM Andreas Tille <tille at debian.org>
> wrote:
> >> >
> >> > Hi Jeroen,
> >> >
> >> > On Sun, Jun 09, 2019 at 02:39:33PM +0200, Jeroen Ooms wrote:
> >> > > Debian 'experimental' now has nodeJS v12.x which ships with a new
> >> > > version of the v8 engine. In order to build r-cran-v8 against this
> >> > > libnode, you need the latest version of the R package:
> >> > > https://cran.r-project.org/web/packages/V8/index.html
> >> >
> >> > Thanks a lot for this hint.
> >> >
> >> > > Perhaps r-cran-v8 2.2 should be uploaded to experimental?
> >> >
> >> > Unfortunately I get:
> >> >
> >> > ...
> >> > I: R packages needed for DEP8: testthat
> >> > I: R Package: V8 Version: 2.2
> >> > I: Building using R version 3.6.0-2
> >> > I: R API version: r-api-3.5
> >> > I: Using built-time from d/changelog: Wed, 12 Jun 2019 09:49:25 +0200
> >> >         mkdir -p
> /build/r-cran-v8-2.2\+dfsg/debian/r-cran-v8/usr/lib/R/site-library
> >> >         R CMD INSTALL -l
> /build/r-cran-v8-2.2\+dfsg/debian/r-cran-v8/usr/lib/R/site-library --clean
> . "--built-timestamp='Wed, 12 Jun 2019 09:49:25 +0200'"
> >> > * installing *source* package 'V8' ...
> >> > files 'inst/doc/npm.html', 'inst/doc/v8_intro.html' are missing
> >> > ** using staged installation
> >> > Using PKG_CFLAGS=-I/usr/include/v8 -I/usr/include/v8-3.14
> >> > Using PKG_LIBS=-lv8 -lv8_libplatform
> >> > ** libs
> >> > make[1]: Entering directory '/build/r-cran-v8-2.2+dfsg/src'
> >> > rm -f V8.so RcppExports.o bindings.o
> >> > g++ -std=gnu++11 -I"/usr/share/R/include" -DNDEBUG -I/usr/include/v8
> -I/usr/include/v8-3.14 -I"/usr/lib/R/site-library/Rcpp/include"
> -fvisibility=hidden -fpic  -g -O2 -fdebug-prefix-map=/build/r-base-3.6.0=.
> -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time
> -D_FORTIFY_SOURCE=2 -g  -c RcppExports.cpp -o RcppExports.o
> >> > g++ -std=gnu++11 -I"/usr/share/R/include" -DNDEBUG -I/usr/include/v8
> -I/usr/include/v8-3.14 -I"/usr/lib/R/site-library/Rcpp/include"
> -fvisibility=hidden -fpic  -g -O2 -fdebug-prefix-map=/build/r-base-3.6.0=.
> -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time
> -D_FORTIFY_SOURCE=2 -g  -c bindings.cpp -o bindings.o
> >> > g++ -std=gnu++11 -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
> >> > make[1]: Leaving directory '/build/r-cran-v8-2.2+dfsg/src'
> >> > make[1]: Entering directory '/build/r-cran-v8-2.2+dfsg/src'
> >> > make[1]: Leaving directory '/build/r-cran-v8-2.2+dfsg/src'
> >> > installing to
> /build/r-cran-v8-2.2+dfsg/debian/r-cran-v8/usr/lib/R/site-library/00LOCK-r-cran-v8-2.2+dfsg/00new/V8/libs
> >> > ** R
> >> > ** inst
> >> > ** byte-compile and prepare package for lazy loading
> >> > ** help
> >> > *** installing help indices
> >> > ** building package indices
> >> > ** installing vignettes
> >> > ** testing if installed package can be loaded from temporary location
> >> > Error: package or namespace load failed for 'V8' in dyn.load(file,
> DLLpath = DLLpath, ...):
> >> >  unable to load shared object
> '/build/r-cran-v8-2.2+dfsg/debian/r-cran-v8/usr/lib/R/site-library/00LOCK-r-cran-v8-2.2+dfsg/00new/V8/libs/V8.so':
> >> >   /usr/lib/x86_64-linux-gnu/libnode.so.72: undefined symbol:
> _ZN4node13native_module14has_code_cacheE
> >> > Error: loading failed
> >> > Execution halted
> >> > ERROR: loading failed
> >> > * removing
> '/build/r-cran-v8-2.2+dfsg/debian/r-cran-v8/usr/lib/R/site-library/V8'
> >> >
> >> >
> >> > I have no idea what might be wrong here.
> >>
> >>
> >> This sounds a lot like this upstream issue:
> >> https://github.com/nodejs/node/issues/27431. I'm the Jérémy (libnode
> >> maintainer) to the cc.
> >
> >
> > If you have this issue that means you're not linking r-cran-v8 to the
> shared libv8 (a.k.a. libnode),
> > and indeed the log above tells it's trying to build its own v8 copy.
>
> Hmm I don't think that diagnosis is correct. The V8.so from the log
> file above is the shared library for the R bindings only. The linking
> error that follows actually shows that the symbol is specifically
> missing form libnode.so.72, which corresponds to this bug in nodejs
> (they forgot to add a new cc file to libnode v12):
> https://github.com/nodejs/node/issues/27431


Thank you for the explanation (headache here, i should have refrained from
replying).
Am tracking upstream issue, and keen on waiting a bit to see if they
resolve it.

Jérémy
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