depends -sub CXX gcc  &&

optional_depends linux-pam              \
                 "--enable-pam"         \
                 "--disable-pam"        \
                 "for pam integration"  &&

optional_depends  openslp                \
                  "--enable-openslp"     \
                  "--disable-openslp"    \
                  "openslp integration"  &&

optional_depends  SSL                \
                  "--enable-ssl"         \
                  "--disable-ssl"        \
                  "OpenSSL integration"  &&

optional_depends perl                                  \
                 "--enable-perl-providerifc"           \
                 "--disable-perl-providerifc"          \
                 "enable the perl provider interface"  &&

optional_depends valgrind                                                      \
                 "--enable-valgrind-support"                                   \
                 "--disable-valgrind-support"                                  \
                 "enable workarounds so the code can work well with valgrind"  &&

optional_depends zlib              \
                 "--enable-zlib"   \
                 "--disable-zlib"  \
                 "for zlib integration"

.