%.y: %.ym $(syslog_ng_tools)/merge-grammar.py $(syslog_ng_tools)/cfg-grammar.y
if HAVE_PYTHON_INTERPRETER
	$(AM_V_at) $(mkinstalldirs) $(dir $@)
	$(AM_V_GEN) $(PYTHON) $(syslog_ng_tools)/merge-grammar.py $< > $@
else
	$(error "Python interpreter is required to generate grammar files, but it was not detected during configure")
endif

.l.c:
	$(AM_V_LEX)$(am__skiplex) $(SHELL) $(YLWRAP) $< $(LEX_OUTPUT_ROOT).c $*.c $(LEX_OUTPUT_ROOT).h $*.h -- $(LEXCOMPILE) | ($(EGREP) -v "(^updating|unchanged)" || true)
	$(AM_V_at) touch $@

.l.h:
	$(AM_V_LEX)$(am__skiplex) $(SHELL) $(YLWRAP) $< $(LEX_OUTPUT_ROOT).c $*.c $(LEX_OUTPUT_ROOT).h $*.h -- $(LEXCOMPILE) | ($(EGREP) -v "(^updating|unchanged)" || true)
	$(AM_V_at) touch $@

.y.c:
	$(AM_V_YACC)$(am__skipyacc) $(SHELL) $(YLWRAP) $< y.tab.c $@ y.tab.h $*.h y.output $*.output -- $(YACCCOMPILE)

.y.h:
	$(AM_V_YACC)$(am__skipyacc) $(SHELL) $(YLWRAP) $< y.tab.c $@ y.tab.h $*.h y.output $*.output -- $(YACCCOMPILE)