I raised this issue back in 2008
http://trac.sagemath.org/sage_trac/ticket/3381
that R needs a powerful version of iconv - the one supplied by Sun is not
sufficiently powerful. This is documented in the 'R Installation and
Administration' manual.
http://cran.r-project.org/doc/manuals/R-admin.pdf
The solution was to disable R's use of iconv. For a long time R has been
reporting messages that this option would be removed, and it would be necessary
to install iconv. Well that time has come.
checking for cblas_cdotu_sub in vecLib framework... no
checking iconv.h usability... yes
checking iconv.h presence... yes
checking for iconv.h... yes
checking for iconv... yes
checking whether iconv accepts "UTF-8", "latin1" and "UCS-*"... no
configure: error: a suitable iconv is essential
Error configuring R.
real 2m15.532s
user 0m47.020s
sys 1m9.582s
sage: An error occurred while installing r-2.10.1
There seems to be only two solutions to this.
* We include iconv in Sage, which is consistant with the normal process of
"batteries included" OR
* We make the installation of a sufficiently powerful version of iconv. This
would need fixing the prereq script to check for this, as its a bit pointless
building tons of Sage, only to find it fail at building R.
To me, the time has come when we must add an iconv package. The source is not
that large, and does not take long to compile.
Dave
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