Can anyone tell me how to fix this. root at nucleus => /usr/local/R-1.3.1/bin/R INSTALL Matrix_0.3-15.tar.gz Installing source package `Matrix' ... creating cache ./config.cache checking for gcc... gcc checking whether the C compiler (gcc ) works... yes checking whether the C compiler (gcc ) is a cross-compiler... no checking whether we are using GNU C... yes checking whether gcc accepts -g... yes checking for ATL_xerbla in -latlas... no checking for dgemm_ in -lcxml... no checking for dgemm_ in -ldxml... no checking for dgemm_ in -lscs... no checking for dgemm_ in -lcomplib.sgimath... no checking for zherk in -lblas... no checking for dgemm_ in -lblas... yes checking for cheev_ in -llapack... yes updating cache ./config.cache creating ./config.status creating src/Makevars libs c++ -I/usr/local/R-1.3.1/lib/R/include -I/usr/local/include -fPIC -g -O2 -c R_LapackPP.cc -o R_LapackPP.o R_LapackPP.cc:17: iostream: No such file or directory make: *** [R_LapackPP.o] Error 1 ERROR: compilation failed for package `Matrix' Leslie -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._