I tried building sage 4.3.0.1 (and 4.3.0.2.alpha5-6583 snapshot
created by Minh to demonstrate that unpleasant trac# 6583 bug) on
skynet's mark,
(SunOS mark 5.10 Generic_127111-01 sun4u sparc SUNW,Sun-Blade-2500)

and it fails at gnutls spkg (this is not happening on t2), with
messages indicating that it does not find things in libgcrypt.
I even tried modifying spkg-install to insist that configure looks for
libgcrypt in $SAGE_LOCAL, but to no avail.

Morever, if I just run ./configure with the  options as in spkg-
install, as well as --with-libgcrypt-prefix=$SAGE_LOCAL,
in src/ directory of the spkg, and then make, it builds OK.

The difference in the  gcc call that fails is that it has -R
$SAGE_LOCAL/lib option, while during the successful build the same
call has instead
options -Wl,--rpath -Wl,$SAGE_LOCAL/lib

My guess is that -R (a linker option) is not working properly here (as
it's a mixed gcc/sun linker environment, things are a bit weird...)?!

I do not understand how this can happen (different configure behavour
when invoked with sage building?!), and what's going on.

This anyhow needs to be fixed if we want to move on with the Solaris
port.

Dima

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