depends  fltk      &&
depends  wget      &&
depends  zlib      &&

optional_depends SSL \
                 --enable-openssl \
                 --disable-openssl \
                 "for TLS support with OpenSSL/LibreSSL (preferred)" &&

if is_depends_enabled "$SPELL" SSL; then
  optional_depends mbedtls \
                   --enable-mbedtls \
                   --disable-tls \
                   "for TLS support with mbedtls"
fi &&

optional_depends libwebp \
                 --enable-webp \
                 --disable-webp \
                 'for WebP image support' &&

optional_depends  "JPEG"                    \
                  "--enable-jpeg"           \
                  "--disable-jpeg"          \
                  "for jpeg image support"  &&

optional_depends  "GIFLIB"                  \
                  "--enable-gif"            \
                  "--disable-gif"           \
                  "for gif image support"   &&

optional_depends  "libpng"                    \
                  "--enable-png"           \
                  "--disable-png"          \
                  "for png image support"

