setenv PKG_CONFIG_PATH /usr/local/lib/amd64/pkgconfig:/opt/csw/lib/amd64/pkgconfig:/usr/lib/amd64/pkgconfig
env LD_LIBRARY_PATH=/usr/local/lib/amd64 \
  ~/R/svn/R-4-1-branch/configure -C \
  --with-internal-tzcode \
  --with-tcl-config=/usr/local/lib/amd64/tclConfig.sh \
  --with-tk-config=/usr/local/lib/amd64/tkConfig.sh