# ========================================================================
# Makefile - build md5 tool from RFC 1321 source
# Andrew Ho (andrew@tellme.com)
#
# This Makefile drives code extraction from the rfc1321.txt, and then
# compiles the code to create md5, the command-line MD5 file checksum
# utility implemented by mddriver.c.
#
# $Id: Makefile,v 1.4 2005/07/19 08:29:50 andrew Exp $
# ========================================================================

CC      = gcc
CCOPT   = -Wall -O2
DEFS    = -DMD=5
INCLS   = -I.
CFLAGS  = $(CCOPT) $(DEFS) $(INCLS)
LDFLAGS =
LIBS    =

OBJ_EXT = .o
EXE_EXT =

VERSION := `date '+%Y%m%dT%H%M'`
ARCH    := `uname -p`
OS      := `uname -s | tr '[A-Z].' '[a-z]_' | sed s/sunos/solaris/`
OS_VER  := `uname -r | tr . _`
PACKAGE = md5-$(VERSION).$(ARCH).$(OS).$(OS_VER)

MKDIR = mkdir
CHMOD = chmod
ECHO = echo
CP = cp
RM = rm


# ------------------------------------------------------------------------
# Compilation

all: md5$(EXE_EXT)

md5$(EXE_EXT): md5c$(OBJ_EXT) mddriver$(OBJ_EXT)
	$(CC) $(CFLAGS) -o md5$(EXE_EXT) $(LDFLAGS) $(LIBS) md5c$(OBJ_EXT) mddriver$(OBJ_EXT)

md5c$(OBJ_EXT): md5c.c global.h md5.h
	$(CC) $(CFLAGS) -o md5c$(OBJ_EXT) -c md5c.c

mddriver$(OBJ_EXT): mddriver.c global.h md5.h
	$(CC) $(CFLAGS) -o mddriver$(OBJ_EXT) -c mddriver.c


# ------------------------------------------------------------------------
# Code extraction from rfc1321.txt

source: global.h md5.h md5c.c mddriver.c

md5c.c: extract_code rfc1321.txt
	@echo "Makefile: extracting md5c.c..."
	@./extract_code md5c.c < rfc1321.txt > md5c.c

mddriver.c: extract_code rfc1321.txt
	@echo "Makefile: extracting mddriver.h..."
	@./extract_code mddriver.c < rfc1321.txt > mddriver.c

global.h: extract_code rfc1321.txt
	@echo "Makefile: extracting global.h..."
	@./extract_code global.h < rfc1321.txt > global.h

md5.h: extract_code rfc1321.txt
	@echo "Makefile: extracting md5.h..."
	@./extract_code md5.h < rfc1321.txt > md5.h


# ------------------------------------------------------------------------
# Other targets

test: md5_test.out md5_test.gold
	@diff md5_test.out md5_test.gold > /dev/null
	@sh -c "if [ $$? -eq 0 ]; then echo successful ; else echo failed ; fi"

md5_test.out: md5$(EXE_EXT)
	@echo "Makefile: running md5 test suite..."
	@./md5 -x > md5_test.out

md5_test.gold: extract_code rfc1321.txt
	@echo "Makefile: extracting test suite results..."
	@./extract_code "test suite" < rfc1321.txt > md5_test.gold

package: md5$(EXE_EXT)
	@$(ECHO) "Makefile: creating package in current directory:"
	@$(ECHO) $(PACKAGE)
	@$(MKDIR) -p $(PACKAGE)/bin
	@$(CP) md5$(EXE_EXT) $(PACKAGE)/bin
	@$(CHMOD) 755 $(PACKAGE)/bin/md5$(EXE_EXT)

clean:
	@$(RM) -f md5$(EXE_EXT) md5c$(OBJ_EXT) mddriver$(OBJ_EXT) \
	          md5c.c mddriver.c global.h md5.h \
	          md5_test.out md5_test.gold core
	@$(RM) -rf md5-*.*.*.*


# ========================================================================