###############################################################################
#                                   LFSMake                                   #
#                    by Rod Roark <rod@sunsetsystems.com>                     #
#                                                                             #
#                        Copyright (C) 2002 Rod Roark                         #
#                                                                             #
# See http://www.lfsmake.org/ for the most current standard version.          #
#                                                                             #
# These Makefiles are made available under the terms of the Artistic License, #
# found at http://www.opensource.org/licenses/artistic-license.html.          #
###############################################################################

# URLs that are common sources of downloads.  If you're having trouble with
# a site you should change its URL to that of a suitable mirror site.
#
URL_CPAN    = http://www.cpan.org/modules/by-module
URL_AGNU    = ftp://alpha.gnu.org/gnu
URL_DEBIAN  = http://http.us.debian.org/debian/pool/main
URL_GNU     = http://ftp.gnu.org/gnu
URL_KERNEL  = http://www.kernel.org/pub
URL_TUE     = ftp://ftp.win.tue.nl/pub
URL_LFS_FTP = http://ftp.at.linuxfromscratch.org/pub/lfs/lfs-packages/5.1.1
URL_LFS     = http://www.linuxfromscratch.org/patches/downloads
URL_SFNET   = http://kent.dl.sourceforge.net/sourceforge
URL_IPFIRE  = http://mirror.ipfire.org/source
URL_IPCOP   = http://ipcop.ath.cx

# Default compiler optimizations.
#
FLAGS_OPT   = -O2
FLAGS_CPU   = -mcpu=$(MACHINE)
FLAGS_ARCH  = -march=$(MACHINE)

# Don't change this; it will be overridden by other makefiles where necessary.
#
ROOT =

# For most packages tarballs are unpacked here and then deleted after
# installation.
#
DIR_SRC = $(ROOT)/usr/src

# Files are downloaded into DIR_TMP and then moved to DIR_DL, to avoid
# messes with partially retrieved files.  DIR_DL is where we will
# save all the files that are downloaded.  DIR_INFO contains the
# file lists of installed packages.
#
DIR_DL      = $(LFS_BASEDIR)/cache
DIR_CHK     = $(LFS_BASEDIR)/cache/check
DIR_CONF    = $(LFS_BASEDIR)/config
DIR_INFO    = $(LFS_BASEDIR)/log
DIR_TMP     = /var/tmp

KGCC = ccache /usr/bin/gcc

###############################################################################
# Common Macro Definitions
###############################################################################

# For each package we create a list of files that it installed under 
# log/<TARGET> name. Modified files are not identified
#
define FIND_FILES
	cd $(ROOT)/ && find -mount \
	-not -path './tools*' -not -path './tmp*' -not -path './usr/src*' \
	-not -path './dev*' -not -path './proc*' -not -path './install*'
endef

# This is common starting logic for builds.
#
ifeq "$(ROOT)" ""
define PREBUILD
	echo "====================================== Installing $(THISAPP) ..."
	@echo "Install started; saving file list to $(DIR_SRC)/lsalr ..."
	@if [ ! -f $(DIR_SRC)/lsalr ]; then $(FIND_FILES) > $(DIR_SRC)/lsalr; fi
endef
else
define PREBUILD
	echo "====================================== Installing $(THISAPP) ..."
endef
endif

# Common end-of-installation logic for Stage 2 and beyond.
#
ifeq "$(ROOT)" ""
define POSTBUILD
	@echo "Install done; saving file list to $(DIR_INFO)/$(THISAPP) ..."
	@$(FIND_FILES) > $(DIR_SRC)/lsalrnew
	@diff $(DIR_SRC)/lsalr $(DIR_SRC)/lsalrnew | grep '^> ' | sed 's/^> //' | sort > $(TARGET)_1
	@cp -f $(DIR_SRC)/lsalrnew $(DIR_SRC)/lsalr
	@rm -f $(DIR_SRC)/lsalrnew
	sed -i -e 's+.\/++' $(TARGET)_1
	# compare roofile ( same name as lfs script) with the list of installed files
	# special cases
	# - on a partial rebuild without a new file inside TARGET_1, just touch TARGET
	if [ -s "$(TARGET)_1" ]; then \
		ROOTFILE=$(DIR_SRC)/src/ROOTFILES.$(MACHINE); \
		for line in `cat $(TARGET)_1`; do \
			if grep -qE "^#$$line$$" $$ROOTFILE ; then echo "#$$line" >> $(TARGET); \
			elif grep -qE "^$$line$$" $$ROOTFILE ; then echo "$$line" >> $(TARGET); \
			else echo "+$$line" >> $(TARGET); \
			fi; \
		done; \
	else \
		touch $(TARGET); \
	fi
	@rm -f $(TARGET)_1
endef
else
define POSTBUILD
	@echo "===================================== Install done for $(THISAPP)."
	touch $(TARGET)
endef
endif

define CHECK
	@echo -e "$(MESSAGE)Check: $($(notdir $@))"
	wget -T 120 -t 1 --spider -nv $($(notdir $@)) -O /dev/null
	@touch $(DIR_CHK)/$(notdir $@)
endef

define LOAD
	@echo -e "$(MESSAGE)Download: $($(notdir $@))"
	wget -T 60 -t 1 -c -nv $($(notdir $@)) -O $(DIR_TMP)/$(notdir $@)
	[ "$($(notdir $@)_MD5)" = `md5sum $(DIR_TMP)/$(notdir $@) | awk '{ print $$1 }'` ] # detect page not found answer
	mv $(DIR_TMP)/$(notdir $@) $(DIR_DL)
endef

define MD5
	# error mean file signature don't match the one in lfs script
	[ "$($@_MD5)" = `md5sum $(DIR_DL)/$@ | awk '{ print $$1 }'` ]
	echo "$@ checksum OK"
endef

define PAK
	@rm -rf /install/packages/package /tmp/* /packagetmp.tar
	cd /
	mkdir -p  /install/packages/package
	cp -f $(DIR_SRC)/src/paks/$(PROG)/{,un}install.sh /install/packages/package
	cp -f $(DIR_SRC)/src/paks/$(PROG)/ROOTFILES       /install/packages/package
	chmod 755 /install/packages/package/{,un}install.sh
	tar --create -C / --files-from=/install/packages/package/ROOTFILES -f /packagetmp.tar --exclude='#*'
	tar -x -C /tmp -f /packagetmp.tar
	@rm -f /packagetmp.tar
	@cd /tmp
	tar zvcf /install/packages/package/files.tgz * -C /tmp
	rm -rf /tmp/*
	cd /install/packages/package && cat ROOTFILES | grep -v "#" > ROOTFILES && tar cfz ../$(PROG)-$(VER)-$(PAK_VER).tar.gz files.tgz install.sh uninstall.sh ROOTFILES
	cd /install/packages && md5sum $(THISAPP)-$(PAK_VER).tar.gz > $(PROG)-$(VER)-$(PAK_VER).tar.gz.md5
	@rm -rf /install/packages/package
endef