请问这个makefile 是什么意思?
include $(FEHOME)/mak/platform.mak
include $(FEHOME)/mak/database.mak
#include $(FEHOME)/mak/tuxedo.mak
PRGOBJS = proc2801.o
PRGTARG = 2801
PRGLIBS = -lm
# used for db2 database
PRGDBNM =
debug all: debugdynamic
release: releasedynamic
# DO NOT modify any code below!!!
releasedynamic debugdynamic releasestatic debugstatic releaseexec debugexec clean:
@make -f $(FEHOME)/mak/mkstand.mak $@ TARGET="$(PRGTARG)" OBJS="$(PRGOBJS)" LIBS="$(PRGLIBS)" DEFS="$(PRGD
EFS)" DBNM="$(PRGDBNM)"