[R] R can't find gcc library that other programs can.

From: Dr. David Kirkby <david.kirkby_at_onetel.net>
Date: Sat, 12 Jun 2010 02:32:28 +0100


R is used in the Sage project. R is building on Solaris 10 with SPARC processors. Until recently, I did not give it much more thought, as it appeard to build ok.

More recently someone noticed a test failure. It would appear a number of modules are not building (Matrix, class, mgcv, nnet, rpart, spatial, and survival) are all failing to build. But the R build process does not terminate. Is that intensional?

The way the build is failing is very odd indeed.

  ld.so.1: R: fatal: libgcc_s.so.1: open failed: No such file or directory

This is despite the location of libgcc_s.so is specified in LD_LIBRARY_PATH, and numerous other parts in Sage link to this library ok.

There's some information about the issue here

http://trac.sagemath.org/sage_trac/ticket/9201

Does anyone have any suggestions? In particular, do you consider the failure of one or more of those modules sufficiently serious that the build of R should stop, or do you consider some failures like this not so serious, and so it is right for the build to continue? (The reason I want to know this, is that we want to test for this failure in Sage. Depending on the seriousness of this, we make break the build if such a module fails, or we may decide to continue, and test things later, where a test failure would not stop Sage working.

Dave



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