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|
PREFIX?=/usr/local
LOCALBASE?=/usr/local
MINIROOTFS?=$(PWD)/alpine-minirootfs.tar.gz
PACKAGES?=$(PWD)/*.apk
BOOT_SERVICES?=networking urandom bootmisc modules hostname hwclock sysctl syslog
DEFAULT_SERVICES?=acpid crond
SYSINIT_SERVICES?=devfs dmesg hwdrivers mdev
ETC_SRCS?=$(PWD)/etc/wpa_supplicant
ROOT=$(PREFIX)/share/wifibox
SHAREDIR=$(DESTDIR)$(ROOT)
ETCDIR=$(DESTDIR)$(PREFIX)/etc/wifibox
MANDIR=$(DESTDIR)$(PREFIX)/share/man
RUNDIR=$(DESTDIR)/var/run/wifibox
WORKDIR?=$(PWD)/work
BOOTSTRAPDIR=$(WORKDIR)/bootstrap
GUESTDIR=$(WORKDIR)/image-contents
BOOTDIR=$(GUESTDIR)/boot
SHAREMODE?=0644
ECHO=/bin/echo
ENV=/usr/bin/env
MKDIR=/bin/mkdir
CP=/bin/cp
SH=/bin/sh
SED=/usr/bin/sed
TAR=$(LOCALBASE)/bin/gtar
FIND=/usr/bin/find
GREP=/usr/bin/grep
RM=/bin/rm
LN=/bin/ln
LS=/bin/ls
GZIP=/usr/bin/gzip
INSTALL_DATA=/usr/bin/install -m $(SHAREMODE)
ID=/usr/bin/id
UMOUNT=/sbin/umount
STAT=/usr/bin/stat
TOUCH=/usr/bin/touch
TRUE=/usr/bin/true
GIT=$(LOCALBASE)/bin/git
PATCHELF=$(LOCALBASE)/bin/patchelf
BRANDELF=/usr/bin/brandelf
TAR2SQFS=$(LOCALBASE)/bin/tar2sqfs
UID!= $(ID) -u
ELF_INTERPRETER= /lib/ld-musl-x86_64.so.1
APK= sbin/apk
BUSYBOX= bin/busybox
_APK= $(BOOTSTRAPDIR)/$(APK)
_BUSYBOX= $(BOOTSTRAPDIR)/$(BUSYBOX)
.if !empty(INITRD_FILES)
INITRD_IMG= $(BOOTDIR)/initramfs
.endif
SQUASHFS_COMP?= lzo
SQUASHFS_IMG= $(PWD)/alpine-$(VERSION).squashfs.img
SQUASHFS_VMLINUZ= $(BOOTDIR)/vmlinuz*
.if !defined(VERSION)
VERSION!= $(GIT) describe --tags --always
.endif
SUB_LIST= PREFIX=$(PREFIX) \
LOCALBASE=$(LOCALBASE) \
ROOT=$(ROOT)
_SUB_LIST_EXP= ${SUB_LIST:S/$/!g/:S/^/ -e s!%%/:S/=/%%!/}
APPLIANCEDIR= $(RUNDIR)/appliance
$(GUESTDIR)/.done:
$(RM) -rf \
$(GUESTDIR) \
$(BOOTSTRAPDIR)
$(MKDIR) -p \
$(GUESTDIR) \
$(BOOTSTRAPDIR)
$(TAR) -xf $(MINIROOTFS) -C $(BOOTSTRAPDIR)
.for bin in $(_APK) $(_BUSYBOX)
$(PATCHELF) \
--set-interpreter $(BOOTSTRAPDIR)$(ELF_INTERPRETER) \
${bin}
$(BRANDELF) -t Linux ${bin}
.endfor
# add packages without chroot(8)
$(ENV) LD_LIBRARY_PATH=$(BOOTSTRAPDIR)/lib \
$(_APK) add \
--initdb \
--no-network \
--no-cache \
--force-non-repository \
--allow-untrusted \
--no-progress \
--clean-protected \
--root $(GUESTDIR) \
--no-scripts \
--no-chown \
$(PACKAGES)
# remove APK metadata
$(RM) -rf $(GUESTDIR)/lib/apk
# rebuild module dependency data
$(ENV) LD_LIBRARY_PATH=$(BOOTSTRAPDIR)/lib \
$(_BUSYBOX) \
depmod -A -b $(GUESTDIR) $$($(LS) $(GUESTDIR)/lib/modules)
# try unmounting `linprocfs` if that was mounted (on FreeBSD 13
# or later)
$(UMOUNT) $(GUESTDIR)/proc || $(TRUE)
# install extra files manually
.if exists($(PWD)/guest)
$(CP) -R $(PWD)/guest/ $(GUESTDIR)
.endif
# rc-update add
.for runlevel in boot default sysinit
.for service in $(${runlevel:tu}_SERVICES)
$(LN) -s /etc/init.d/${service} $(GUESTDIR)/etc/runlevels/${runlevel}
.endfor
.endfor
# add extra file system pass-through mounts
.if defined(EXTRA_VIRTFS_MOUNTS)
.for mnt in $(EXTRA_VIRTFS_MOUNTS)
$(ECHO) "${mnt:C@:@ @} 9p trans=virtio,rw 0 0" \
>> $(GUESTDIR)/etc/fstab
.endfor
.endif
# fix symbolic links
$(FIND) . -type l -exec stat -f "%N___%Y" {} \; \
| $(GREP) /compat/linux \
| $(SED) -E 's!(.*)___/compat/linux(.*)!rm \1 \&\& ln -s \2 \1!' \
| $(SH)
# mark the process done
$(TOUCH) $(GUESTDIR)/.done
image-contents: $(GUESTDIR)/.done
EXCLUSIONS= $(WORKDIR)/exclusions
.if defined(FIRMWARE_FILES)
.for fw_file in $(FIRMWARE_FILES)
__FW_FILES+= -name ${fw_file} -or
.endfor
_FW_FILES= -not \( ${__FW_FILES:S/ -or$//W} \)
.endif
$(SQUASHFS_IMG): image-contents
(cd $(GUESTDIR) \
&& $(FIND) . \
| $(GREP) -E "[.]/((dev|proc|run|sys|tmp|var)/.*|boot|[.]done)" \
> $(EXCLUSIONS))
.if defined(_FW_FILES)
(cd $(GUESTDIR) \
&& $(FIND) ./lib/firmware -not -type d -and $(_FW_FILES) \
>> $(EXCLUSIONS))
.endif
$(TAR) \
--create \
--file - \
--directory $(GUESTDIR) \
--owner 0 \
--group 0 \
--no-wildcards \
--exclude-from $(EXCLUSIONS) \
. \
| $(TAR2SQFS) \
--compressor $(SQUASHFS_COMP) \
$(SQUASHFS_IMG)
_TARGETS= $(SQUASHFS_IMG)
all: $(_TARGETS)
install:
$(MKDIR) -p $(SHAREDIR)
$(INSTALL_DATA) $(SQUASHFS_VMLINUZ) $(SHAREDIR)/vmlinuz
$(INSTALL_DATA) $(SQUASHFS_IMG) $(SHAREDIR)/disk.img
$(SED) ${_SUB_LIST_EXP} share/grub.cfg > $(SHAREDIR)/grub.cfg
$(MKDIR) -p $(ETCDIR)
.for srcs in $(ETC_SRCS)
$(CP) -R ${srcs}/* $(ETCDIR)/
.endfor
$(MKDIR) -p $(MANDIR)/man5
$(SED) ${_SUB_LIST_EXP} man/wifibox-alpine.5 \
| $(GZIP) -c > $(MANDIR)/man5/wifibox-alpine.5.gz
$(MKDIR) -p $(APPLIANCEDIR)
$(CP) -R $(GUESTDIR)/var/* $(APPLIANCEDIR)/
$(RM) -rf $(APPLIANCEDIR)/lock
$(LN) -s /run/lock $(APPLIANCEDIR)/lock
clean:
$(RM) -rf $(GUESTDIR)
$(RM) -f $(SQUASHFS_IMG)
.MAIN: all
|
