On Fri, 26 May 2006, Antonio, Fabio Di Narzo wrote: > Hi all. > The same compiler problem appears on my gcc-4.0.2 shipped with ubuntu > breezy. Well fixed with B.R. indication.
Note: I already said > > (There is a known problem here with gcc >= 4.0.0, with this fix in the > > pre-2.3.1 sources. We know that certain RedHat systems have gcc3's that > > support visibility, not always completely.) and it is believed to be fixed in the 2.3.1 RC versions now under test. So we don't need any reports on gcc4 for 2.3.0: please try the current test version. (That this appeared on gcc 3.3.4 was a surprise, given it does not on 3.3.5.) > > Antonio. > > 2006/5/26, Duncan Temple Lang <[EMAIL PROTECTED]>: >> >> >> In addition to the compiler issues, the test should also be changed. >> It should use R_tryEval() directly rather than Test_tryEval(). The test >> preceeds the existence >> of that exported routine that was motivated by the same >> usage that gave rise to this test. >> >> I'll commit an update when I get a few minutes. >> >> D. >> >> Prof Brian Ripley wrote: >>> What system is this? >>> >>> It should work under gcc-3.3.4, as the issue is visibility attributes >> and >>> they are not supposed to be supported on that compiler. (I suspect from >>> the message that this is not a version of gcc released by GNU, a common >>> source of problems.) I happen to have an i686 FC3 system with a gcc >> 3.3.5 >>> compiled from the GNU sources (to help track down a bug in code >> generated >>> by that compiler), and that does work in tests/Embedding. >>> >>> In src/main/context.c you will find >>> >>> context.c:Rboolean attribute_hidden R_ToplevelExec(void (*fun)(void *), >>> void *data) >>> >>> and you need to remove 'attribute_hidden' and recompile. >>> >>> (There is a known problem here with gcc >= 4.0.0, with this fix in the >>> pre-2.3.1 sources. We know that certain RedHat systems have gcc3's that >>> support visibility, not always completely.) > >> >>> >>> On Thu, 25 May 2006, George Ostrouchov wrote: >>> >>>> I am compiling the Embedding examples in the tests directory and get an >>>> undefined reference. I include the make output as well as grep'd output >>>> of nm on libR.so and compiler and arch information. Do I have an >>>> improperly built R shared library or is there a problem with the >>>> Embedding tests or something else I am not seeing? >>>> >>>> Thanks for any help! >>>> George >>>> >>>> >>>> [EMAIL PROTECTED]:/data5/ost/R/R-2.3.0/tests/Embedding> make >>>> ../../bin/R CMD LINK gcc -o Rtest Rtest.o embeddedRCall.o -L`cd ../.. >> && >>>> /bin/pwd`/lib -lR >>>> gcc -o Rtest Rtest.o embeddedRCall.o >>>> -L/autofs/tewa_data5/ost/R/R-2.3.0/lib -lR -Wl,--rpath >>>> -Wl,/data5/ost/R/R-2.3.0/lib >>>> embeddedRCall.o(.text+0x1e): In function `Test_tryEval': >>>> /autofs/tewa_data5/ost/R/R-2.3.0/tests/Embedding/embeddedRCall.c:81: >>>> undefined reference to `R_ToplevelExec' >>>> collect2: ld returned 1 exit status >>>> make: *** [Rtest] Error 1 >>>> [EMAIL PROTECTED]:/data5/ost/R/R-2.3.0/tests/Embedding> cd >>>> /autofs/tewa_data5/ost/R/R-2.3.0/lib >>>> [EMAIL PROTECTED]:/autofs/tewa_data5/ost/R/R-2.3.0/lib> nm libR.so | grep >>>> R_Top >>>> 000000000042c920 B R_Toplevel >>>> 000000000042cae8 B R_ToplevelContext >>>> 000000000007a7b0 t R_ToplevelExec >>>> [EMAIL PROTECTED]:/autofs/tewa_data5/ost/R/R-2.3.0/lib> gcc --version >>>> gcc (GCC) 3.3.4 (pre 3.3.5 20040809) >>>> Copyright (C) 2003 Free Software Foundation, Inc. >>>> This is free software; see the source for copying conditions. There is >> NO >>>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR >> PURPOSE. >>>> >>>> [EMAIL PROTECTED]:/autofs/tewa_data5/ost/R/R-2.3.0/lib> arch >>>> x86_64 >>>> [EMAIL PROTECTED]:/autofs/tewa_data5/ost/R/R-2.3.0/lib> >>>> >>>> >>>> >>> >> >> ______________________________________________ >> R-devel@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-devel >> > > Antonio, Fabio Di Narzo. > > [[alternative HTML version deleted]] > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > > -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
