Hi, I Failed to create libR.so. here's what I did and what's the error msg: Under the R source installation directory : do: 1. make distclean 2. ./configure --enable-R-shlib 3. make The error is : gcc -I. -I../../src/include -I../../src/include -I/usr/local/include -DHAVE_CONFIG_H -fPIC -g -O2 -c connections.c -o connections.lo connections.c:775: zlib.h: No such file or directory *** Error code 1 make: Fatal error: Command failed for target `connections.lo' Current working directory /DEVELOPEMENT/ffmwendy/r-project/R-1.5.1/src/main *** Error code 1 make: Fatal error: Command failed for target `R' Current working directory /DEVELOPEMENT/ffmwendy/r-project/R-1.5.1/src/main *** Error code 1 make: Fatal error: Command failed for target `R' Current working directory /DEVELOPEMENT/ffmwendy/r-project/R-1.5.1/src *** Error code 1 make: Fatal error: Command failed for target `R' I checked the directory, zlib.h is under /src/macintosh/zlib directory. How should I fix this problem? Could someone help? Thanks Kate -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel 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-devel-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._