Add WinHack source files to distribution

win/win32/levstuff.mak

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+#YACC   = byacc.exe
+#LEX	= flex.exe
+#YTABC   = y_tab.c
+#YTABH   = y_tab.h
+#LEXYYC  = lexyy.c
+
+!IF "$(YACC)"!=""
+@echo Yacc-alike set to $(YACC)
+@echo YTABC set to $(YTABC)
+@echo YTABH set to $(YTABH)
+!ENDIF
+
+!IF "$(LEX)"!=""
+@echo Lex-alike set to $(LEX)
+@echo LEXYYC set to $(LEXYYC)
+!ENDIF
+
+
+default: all
+
+all: ..\util\lev_yacc.c ..\util\lev_lex.c
+
+rebuild: clean all
+
+clean:
+	-del ..\util\lev_lex.c
+	-del ..\util\lev_yacc.c
+	-del ..\include\lev_comp.h
+
+#==========================================
+# Level Compiler Stuff
+#==========================================
+..\util\lev_yacc.c ..\include\lev_comp.h: ..\util\lev_comp.y
+!IF "$(YACC)"==""
+	   @echo Using pre-built lev_yacc.c and lev_comp.h
+	   @copy ..\sys\share\lev_yacc.c ..\util\lev_yacc.c
+	   @copy ..\sys\share\lev_comp.h ..\include\lev_comp.h
+!ELSE
+	   pushd ..\util
+	   $(YACC) -d lev_comp.y
+	   copy $(YTABC) $@
+	   copy $(YTABH) ..\include\lev_comp.h
+	   @del $(YTABC)
+	   @del $(YTABH)
+	   popd
+!ENDIF
+
+..\util\lev_lex.c: ..\util\lev_comp.l
+!IF "$(LEX)"==""
+	   @echo Using pre-built lev_lex.c
+	   @copy ..\sys\share\lev_lex.c $@
+!ELSE
+	   pushd ..\util
+	   $(LEX) lev_comp.l
+	   copy $(LEXYYC) $@
+	   @del $(LEXYYC)
+	   popd
+!ENDIF
+