-$(dir)/$(LIBNAME): $(libnotmuch_modules)
- $(call quiet,CXX $(CXXFLAGS)) $^ $(FINAL_LIBNOTMUCH_LDFLAGS) $(LIBRARY_LINK_FLAG) -o $@
+$(dir)/$(LIBNAME): $(libnotmuch_modules) notmuch.sym
+ echo $(libnotmuch_modules)
+ $(call quiet,CXX $(CXXFLAGS)) $(libnotmuch_modules) $(FINAL_LIBNOTMUCH_LDFLAGS) $(LIBRARY_LINK_FLAG) -o $@
+
+notmuch.sym: lib/notmuch.h
+ printf "{\nglobal:\n" > notmuch.sym
+ sed -n 's/^\s*\(notmuch_[a-z_]*\)\s*(.*/\t\1;/p' $< >> notmuch.sym
+ printf "local: *;\n};\n" >> notmuch.sym