depends cmake

optional_depends zlib      "-DWITH_LIBZ=ON"            "-DWITH_LIBZ=OFF"           "for data compression support"
optional_depends libgcrypt "-DWITH_GCRYPT=ON"          "-DWITH_GCRYPT=OFF"         "for cryptographic support"
optional_depends %OSSL     "-DWITH_SFTP=ON"            "-DWITH_SFTP=OFF"           "for cryptographics support"
optional_depends doxygen   "-DWITH_INTERNAL_DOC=ON"    "-DWITH_INTERNAL_DOC=OFF"   "for documentation support"
