$(dir)/messages.c \
$(dir)/sha1.c \
$(dir)/built-with.c \
+ $(dir)/string-map.c \
$(dir)/tags.c
libnotmuch_cxx_srcs = \
$(dir)/directory.cc \
$(dir)/index.cc \
$(dir)/message.cc \
+ $(dir)/message-property.cc \
$(dir)/query.cc \
$(dir)/query-fp.cc \
$(dir)/config.cc \