depends  g++  &&

optional_depends  zlib                      \
                  "--with-zlib"             \
                  "--without-zlib"          \
                  "for zlib compressed modules"  &&

optional_depends  curl                      \
                  "--with-curl"             \
                  "--without-curl"          \
                  "for remote install support"  &&

optional_depends  clucene                   \
                  "--with-lucene"           \
                  "--without-lucene"        \
                  "include lucene support for searching"  &&

optional_depends  icu                       \
                  "--with-icu"              \
                  "--without-icu"           \
                  "use ICU for unicode"
