BuildCommon.mk

ifndef BUILD_COMMON_MK
BUILD_COMMON_MK := 1

### PRAWNOS TARGET ARCHS
PRAWNOS_ARMHF := armhf
PRAWNOS_ARM64 := arm64

# validate that target is set to something we support
ifeq ($(TARGET),$(PRAWNOS_ARMHF))
$(info TARGET is $(PRAWNOS_ARMHF))
else ifeq ($(TARGET),$(PRAWNOS_ARM64))
$(info TARGET is $(PRAWNOS_ARM64))
else
$(info TARGET is invalid)
$(info Must specify a TARGET. Valid TARGETS are)
$(info TARGET=armhf (Asus c201 aka veyron speedy, Asus c100 aka veyron minnie))
$(info TARGET=arm64 (Asus c101 aka gru bob, Samsung Chromebook Plus aka gru kevin))
$(error Set a valid TARGET)
endif

export $(TARGET)

#Place all shared make vars below
#=========================================================================================
### GLOBALS

#KVER
# upstream kernel version
# when this is changed, PRAWNOS_KERNEL_VER, PRAWNOS_KERNEL_HEADERS_DEBVER, and PRAWNOS_KERNEL_IMAGE_DEBVER should be reset to 1

#PRAWNOS_KERNEL_VER
# the version of the prawnos linux kernel. This is incremented whenever changes to the config or patches are made, but the KVER stays the same
# when this is incremented, PRAWNOS_KERNEL_IMAGE_DEBVER, and PRAWNOS_KERNEL_HEADERS_DEBVER should be reset to 1

#PRAWNOS_KERNEL_IMAGE_DEBVER
# the version of the prawnos image deb package. This should be incremented with each rebuild/upload of the same KVER and PRAWNOS_KERNEL_IMAGE_VER

#PRAWNOS_KERNEL_HEADERS_DEBVER
# the version of the prawnos headers deb package. This should be incremented with each rebuild/upload of the same KVER and PRAWNOS_KERNEL_IMAGE_VER

## ARMHF KERNEL VERSIONS
ifeq ($(TARGET),$(PRAWNOS_ARMHF))
KVER := 5.4.57
PRAWNOS_KERNEL_VER := 4
PRAWNOS_KERNEL_IMAGE_DEBVER := 1
PRAWNOS_KERNEL_HEADERS_DEBVER := 1

## ARM64 KERNEL VERSIONS
else ifeq ($(TARGET),$(PRAWNOS_ARM64))
KVER := 5.7.10
PRAWNOS_KERNEL_VER := 1
PRAWNOS_KERNEL_IMAGE_DEBVER := 1
PRAWNOS_KERNEL_HEADERS_DEBVER := 1
endif

ifdef PRAWNOS_KVER
## Override KVER with the value of global $PRAWNOS_KVER if it's set.
## This allows the caller to explicitly select the desired KVER
## by injecting it via "export PRAWNOS_KVER=w.x.y".
## and not depending on the hard-coded version number here above.
KVER := $(PRAWNOS_KVER)
#Offset the kernel package versions to avoid future collision if we end up using
#the specified KVER
PRAWNOS_KERNEL_VER := 200
PRAWNOS_KERNEL_IMAGE_DEBVER := 1
PRAWNOS_KERNEL_HEADERS_DEBVER := 1
endif

PRAWNOS_KERNEL_IMAGE_CAT_VER=$(KVER)-$(PRAWNOS_KERNEL_VER)-$(PRAWNOS_KERNEL_IMAGE_DEBVER)
PRAWNOS_KERNEL_HEADERS_CAT_VER=$(KVER)-$(PRAWNOS_KERNEL_VER)-$(PRAWNOS_KERNEL_HEADERS_DEBVER)

# Otherwise errors are ignored when output is piped to tee:
SHELL := /bin/bash -o pipefail


### PRAWNOS CORE DIRECTORIES
PRAWNOS_BUILD := $(PRAWNOS_ROOT)/build/$(TARGET)

PRAWNOS_BUILD_SHARED := $(PRAWNOS_ROOT)/build/shared

PRAWNOS_SCRIPTS := $(PRAWNOS_ROOT)/scripts

PRAWNOS_KERNEL := $(PRAWNOS_ROOT)/kernel

PRAWNOS_INITRAMFS := $(PRAWNOS_ROOT)/initramfs

PRAWNOS_FILESYSTEM := $(PRAWNOS_ROOT)/filesystem

### BUILD DIRS

PRAWNOS_BUILD_LOGS := $(PRAWNOS_BUILD)/logs
PRAWNOS_BUILD_SOURCES := $(PRAWNOS_BUILD)/sources
PRAWNOS_BUILD_DEBOOTSTRAP_APT_CACHE := $(PRAWNOS_BUILD)/debootstrap-apt-cache
PRAWNOS_BUILD_CHROOT_APT_CACHE := $(PRAWNOS_BUILD)/chroot-apt-cache
PRAWNOS_LOCAL_APT_REPO := $(PRAWNOS_BUILD)/prawnos-local-apt-repo

### PRAWNOS IMAGES
ifeq ($(DEBIAN_SUITE),)
DEBIAN_SUITE := buster
endif
ifeq ($(PRAWNOS_SUITE),)
PRAWNOS_SUITE := Shiba
endif

PRAWNOS_IMAGE := $(PRAWNOS_ROOT)/PrawnOS-$(PRAWNOS_SUITE)-$(TARGET).img
PRAWNOS_IMAGE_BASE := $(PRAWNOS_IMAGE)-BASE

### BUILD SCRIPTS
PRAWNOS_BUILD_SCRIPTS := $(PRAWNOS_SCRIPTS)/BuildScripts

PRAWNOS_FILESYSTEM_SCRIPTS := $(PRAWNOS_BUILD_SCRIPTS)/FilesystemScripts
PRAWNOS_FILESYSTEM_SCRIPTS_BUILD := $(PRAWNOS_FILESYSTEM_SCRIPTS)/buildFilesystem.sh

PRAWNOS_KERNEL_SCRIPTS := $(PRAWNOS_BUILD_SCRIPTS)/KernelScripts
PRAWNOS_KERNEL_SCRIPTS_BUILD := $(PRAWNOS_KERNEL_SCRIPTS)/buildKernel.sh
PRAWNOS_KERNEL_SCRIPTS_MENUCONFIG := $(PRAWNOS_KERNEL_SCRIPTS)/crossMenuConfig.sh
PRAWNOS_KERNEL_SCRIPTS_PATCH := $(PRAWNOS_KERNEL_SCRIPTS)/patchKernel.sh
PRAWNOS_KERNEL_SCRIPTS_BUILD_ATH9K := $(PRAWNOS_KERNEL_SCRIPTS)/buildAth9k.sh
PRAWNOS_KERNEL_SCRIPTS_UPDATE_DEB_FILES := $(PRAWNOS_KERNEL_SCRIPTS)/updateKernelDebfiles.sh

PRAWNOS_IMAGE_SCRIPTS := $(PRAWNOS_BUILD_SCRIPTS)/ImageScripts
PRAWNOS_IMAGE_SCRIPTS_INSTALL_KERNEL := $(PRAWNOS_IMAGE_SCRIPTS)/installKernelToFs.sh

PRAWNOS_INITRAMFS_SCRIPTS := $(PRAWNOS_BUILD_SCRIPTS)/InitramfsScripts
PRAWNOS_INITRAMFS_SCRIPTS_BUILD := $(PRAWNOS_INITRAMFS_SCRIPTS)/buildInitramFs.sh

PRAWNOS_PACKAGE_SCRIPTS := $(PRAWNOS_BUILD_SCRIPTS)/PackageScripts
PRAWNOS_PACKAGE_SCRIPTS_INSTALL := $(PRAWNOS_PACKAGE_SCRIPTS)/installPackage.sh
PRAWNOS_PACKAGE_SCRIPTS_PBUILD := $(PRAWNOS_PACKAGE_SCRIPTS)/pbuildPackage.sh
PRAWNOS_PACKAGE_SCRIPTS_UPLOAD := $(PRAWNOS_PACKAGE_SCRIPTS)/uploadPackage.sh

### INSTALL SCRIPTS
PRAWNOS_INSTALL_SCRIPTS := $(PRAWNOS_SCRIPTS)/InstallScripts

### SHARED SCRIPTS
PRAWNOS_SHARED_SCRIPTS := $(PRAWNOS_SCRIPTS)/Shared

PRAWNOS_SHARED_SCRIPTS_PACKAGE_LISTS := $(PRAWNOS_SHARED_SCRIPTS)/package_lists.sh

### FILESYSTEM RESOURCES
PRAWNOS_FILESYSTEM_RESOURCES := $(PRAWNOS_FILESYSTEM)/resources
PRAWNOS_FILESYSTEM_PACKAGES := $(PRAWNOS_FILESYSTEM)/packages


### PBUILDER RESOURCES
PBUILDER_DIR := $(PRAWNOS_FILESYSTEM_RESOURCES)/pbuilder
PBUILDER_CHROOT := $(PRAWNOS_BUILD)/prawnos-pbuilder-$(TARGET)-base.tgz
PBUILDER_RC := $(PBUILDER_DIR)/prawnos-pbuilder-$(TARGET).rc
PBUILDER_HOOKS := $(PBUILDER_DIR)/hooks

PBUILDER_VARS := $(PBUILDER_CHROOT) $(PBUILDER_RC) $(PBUILDER_HOOKS)

### LOCAL APT RESOURCES
PRAWNOS_LOCAL_APT_SOURCE := "deb [trusted=yes] file://$(PRAWNOS_LOCAL_APT_REPO) ./"

PRAWNOS_LOCAL_APT_VARS := $(PRAWNOS_LOCAL_APT_REPO) $(PRAWNOS_LOCAL_APT_SOURCE)

### KERNEL UNIVERSAL
PRAWNOS_KERNEL_PACKAGES := $(PRAWNOS_KERNEL)/packages

## KERNEL TARGETED (paths partially defined by $TARGET)
PRAWNOS_KERNEL_BUILD := $(PRAWNOS_BUILD)/linux-$(KVER)
PRAWNOS_KERNEL_BUILT := $(PRAWNOS_KERNEL_BUILD)/vmlinux.kpart
PRAWNOS_KERNEL_PACKAGE_IMAGE := $(PRAWNOS_KERNEL_PACKAGES)/prawnos-linux-image-$(TARGET)
PRAWNOS_KERNEL_PACKAGE_HEADERS := $(PRAWNOS_KERNEL_PACKAGES)/prawnos-linux-headers-$(TARGET)

### INITRAMFS
PRAWNOS_INITRAMFS_IMAGE := $(PRAWNOS_BUILD)/PrawnOS-initramfs.cpio

### ATH9K
PRAWNOS_ATH9K_BUILD := $(PRAWNOS_BUILD_SHARED)/open-ath9k-htc-firmware

### WGET
#keeping the server timestamps confuses make, causing needless rebuilds
WGET_OPTS := --no-use-server-timestamps

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


#Place all shared make rules below
#=========================================================================================

### Build directory rules, use with "|" to make them "order only" prerequisites

$(PRAWNOS_BUILD_SHARED):
	mkdir -p $(PRAWNOS_BUILD_SHARED)

$(PRAWNOS_BUILD):
	mkdir -p $(PRAWNOS_BUILD)

$(PRAWNOS_BUILD_LOGS): | $(PRAWNOS_BUILD)
	mkdir -p $(PRAWNOS_BUILD_LOGS)

$(PRAWNOS_BUILD_SOURCES): | $(PRAWNOS_BUILD)
	mkdir -p $(PRAWNOS_BUILD_SOURCES)

$(PRAWNOS_BUILD_DEBOOTSTRAP_APT_CACHE): | $(PRAWNOS_BUILD)
	mkdir -p $(PRAWNOS_BUILD_DEBOOTSTRAP_APT_CACHE)

$(PRAWNOS_BUILD_CHROOT_APT_CACHE): | $(PRAWNOS_BUILD)
	mkdir -p $(PRAWNOS_BUILD_CHROOT_APT_CACHE)

$(PRAWNOS_LOCAL_APT_REPO): | $(PRAWNOS_BUILD)
	mkdir -p $(PRAWNOS_LOCAL_APT_REPO)

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

#Place all shared make functions below
#=========================================================================================


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

endif # BUILD_COMMON_MK