#       ---------------------------------
#       Standard (GNU) makefile template
#       will take each source file as a 
#       single source stand-alone
#       ---------------------------------

# use this for setting variables e.g CFLAGS LDLIBS
# rather than editing this file
USER_FILE = user.mk
-include ${USER_FILE}

ECHO = @echo

ifndef EXT
ERROR: tidy
        @echo  
        @echo  "        you need to define  the filetype: 'EXT'"
        @echo
        @echo  "        i.e 'EXT = .c'"
        @echo  "        or  'EXT = .cc'"
        @echo  "        or  'EXT = .cpp'"
        @echo  
        @echo  "        you can do it in '$(USER_FILE)'" 
        @echo  
        exit
endif

ifneq ($(EXT),.c)
CC = g++
endif

VARFILE = var.mk
DEPENDFILE = depend.mk


# if EXT is not defined we need to make it something silly so
# that ls doesn't pick up spurious stuff (see the VARFILE target)
EXT ?= EXT_file_extension_type_not_defined 
-include ${VARFILE}

INCLUDES += -I${HOME}/include -I/usr/local/include
CFLAGS += -Wall ${INCLUDES}
CXXFLAGS += ${CFLAGS}

OBJFILES = ${SRC_FILES:${EXT}=.o}
TARGETS = ${SRC_FILES:${EXT}=} 


.IGNORE:
ALL:${TARGETS}  tidy


help: tidy
        ${ECHO} EXT = ${EXT}
        ${ECHO} CC = ${CC}
        ${ECHO} TARGETS = ${TARGETS}
        ${ECHO} OBJFILES = ${OBJFILES}
        ${ECHO} SRC_FILES = ${SRC_FILES}

RCS:
        mkdir RCS

safe: RCS tidy 
        echo auto generated | ci -t/dev/null -l ${SRC_FILES}  *.h

tidy:
ifeq (${MAKE_GZIPS},yes)
        gzip -f  ${DEPENDFILE} ${VARFILE}
endif
        @rm -f  ${DEPENDFILE} ${VARFILE} 

clean: tidy
        rm -f *.o  ${RCSMESSAGE}
        ${ECHO} use 'purge' to get rid of programs

purge:clean
        rm -f ${TARGETS} 
        rm -f ${DEPENDFILE}.gz ${VARFILE}.gz


${DEPENDFILE}:
        @${CC} -M ${INCLUDES} *${EXT} > $@

${VARFILE}:
        -@ls *${EXT}   | xargs echo SRC_FILES= > $@

# generated dependencies (Needs to go late in the file)
-include ${DEPENDFILE}