default_pre_build &&
message "${MESSAGE_COLOR}Allow providing our own CXXFLAGS...${DEFAULT_COLOR}" &&
patch $SOURCE_DIRECTORY/tools/build/v2/tools/gcc.jam \
      $SCRIPT_DIRECTORY/boost-use-cxxflags.patch &&

if is_depends_enabled $SPELL python3;then
  cd $SOURCE_DIRECTORY &&
  sed -i 's/python$/&3/;s/sys.prefix/(&)/' bootstrap.sh
fi &&

message "patching done"

