case "$THIS_SUB_DEPENDS" in
  PCRE16)  message "pcre with 16-bit requested, forcing support" &&
           PCRE16="--enable-pcre2-16";;
  PCRE32)  message "pcre with 32-bit requested, forcing support" &&
           PCRE32="--enable-pcre2-32";;
  CPP) depends -sub CXX gcc "--enable-cpp" ;;
    *) echo "bogus sub_depends: pcre $THIS_SUB_DEPENDS"; return 1;;
esac 
