Conrad released version 3.2.4 of Armadillo yesterday. It contains a workaround for g++ 4.7.0 and 4.7.1 which have a regression triggered by the Armadillo codebase for small fixed-sized matrices. The corresponding RcppArmadillo package 0.3.2.4 arrived on CRAN earlier today.
The short NEWS entry follows below.
Courtesy of CRANberries, there is also a diffstat report for 0.3.2.4 relative to 0.3.2.3 As always, more detailed information is on the RcppArmadillo page. Questions, comments etc should go to the rcpp-devel mailing list off the R-Forge page.0.3.2.4 2012-07-11 o Upgraded to Armadillo release 3.2.4 * workaround for a regression (bug) in GCC 4.7.0 and 4.7.1