Am 30.04.2020 um 22:17 schrieb Marco Atzeri:
Am 30.04.2020 um 17:28 schrieb Markus Hoenicka:
Hi,
I've contacted the processx package maintainer on a problem reported
here previously (see
https://cygwin.com/pipermail/cygwin/2020-April/244667.html). He
suggested to try the github version but that triggered a different
type of error which does not seem to be package-specific.
the original problem is caused by the lack of $(LIBR)
after $(CLIENT_OBJECTS) in src/Makevars
Cygwin as Windows need the link library after the objects.
$ grep SHLIB_LINK Makevars*
Makevars: $(SHLIB_LINK) -o client$(SHLIB_EXT) $(CLIENT_OBJECTS)
$(PKG_LIBS)
Makevars.win: $(SHLIB_LINK) -o client$(SHLIB_EXT) $(CLIENT_OBJECTS)
$(LIBR) $(SHLIB_LIBADD) $(PKG_LIBS)
the documentations
https://cran.r-project.org/doc/manuals/r-release/R-exts.html#Using-Makevars
suggest the form
$(SHLIB): $(OBJECTS)
$(SHLIB_LINK) -o $ $(OBJECTS) $(ALL_LIBS)
and this should work as
/usr/lib/R/etc/Makeconf
defines
ALL_LIBS = $(PKG_LIBS) $(SHLIB_LIBADD) $(LIBR) $(LIBINTL) $(LIBS)
so try with
$(SHLIB_LINK) -o client$(SHLIB_EXT) $(CLIENT_OBJECTS) $(ALL_LIBS)
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