R help - May 2005 - R on Mac OS X: odd errors when doing install.packages()

Should I be worried? The installation seems to go through fine and
apparently nothing is broken. The errors I repeatedly get are like this:

g++ -no-cpp-precomp -I/Library/Frameworks/R.framework/Resources/include  -I/usr/
local/include  -DUNIX -DOPTIM -DNONR -fno-common  -g -O2 -c unif.cpp -o unif.o
g++ -bundle -flat_namespace -undefined suppress -L/usr/local/lib -o rgenoud.so c
hange_order.o eval.o evaluate.o frange_ran.o genoud.o gradient.o math.o multiply
.o numerics.o operators.o print_format.o rgenoud.o unif.o  -lcc_dynamic -framewo
rk R
ld: warning multiple definitions of symbol _xerbla_
/Library/Frameworks/R.framework/R(print.lo) definition of _xerbla_
/System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fra
mework/Versions/A/libBLAS.dylib(single module) definition of _xerbla_
ld: warning multiple definitions of symbol _BC
/Library/Frameworks/R.framework/Versions/2.1.0/Resources/lib/libreadline.5.0.dyl
ib(terminal.so) definition of _BC
/usr/lib/libncurses.5.dylib(lib_termcap.o) definition of _BC
ld: warning multiple definitions of symbol _UP
/Library/Frameworks/R.framework/Versions/2.1.0/Resources/lib/libreadline.5.0.dyl
ib(terminal.so) definition of _UP
/usr/lib/libncurses.5.dylib(lib_termcap.o) definition of _UP
ld: warning multiple definitions of symbol _PC
/Library/Frameworks/R.framework/Versions/2.1.0/Resources/lib/libreadline.5.0.dyl
ib(terminal.so) definition of _PC
/usr/lib/libncurses.5.dylib(lib_tputs.o) definition of _PC
** R
** help
 >>> Building/Updating help pages for package 'rgenoud'
     Formats: text html latex example 
  genoud                            text    html    latex   example
** building package indices ...
* DONE (rgenoud)

-- 
Ajay Shah                                                   Consultant
ajayshah at mayin.org                      Department of Economic Affairs
http://www.mayin.org/ajayshah           Ministry of Finance, New Delhi