#!/usr/bin/make -f

export DEB_BUILD_MAINT_OPTIONS = hardening=+all

# for SOURCE_DATE_EPOCH
include /usr/share/dpkg/pkg-info.mk
DATE_MONTH_YEAR=$(shell env LC_ALL=C.UTF-8 date --utc --date=@${SOURCE_DATE_EPOCH} +"%B %Y")

# for DEB_HOST_GNU_TYPE
include /usr/share/dpkg/architecture.mk

%:
	dh $@

override_dh_auto_configure:
	dh_auto_configure -- -DPICO_SDK_PATH=/usr/src/pico-sdk -DUSE_PRECOMPILED=0

# CFLAGS are intentionally missing because 32 bit arm eabi5 firmware files are
# not given the hardening flags (which would not be supported)
execute_before_dh_auto_build:
	@echo 'blhc: ignore-line-regexp: .* -c /.*/xip_ram_perms/set_perms.c'
	@echo 'blhc: ignore-line-regexp: .* -c /.*/otp_header_parser/otp_header_parse.cpp'
	@echo 'blhc: ignore-line-regexp: .* -c /usr/src/pico-sdk/.*'

override_dh_dwz:
	dh_dwz --exclude=/usr/share/picotool/xip_ram_perms.elf

override_dh_strip:
	dh_strip --exclude=/usr/share/picotool/xip_ram_perms.elf

execute_before_dh_installman:
ifeq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
	# native build
	# verify that the contents of debian/picotool.1.in is up-to-date
	help2man -n "interact with RP2040 devices or binaries" --no-info --help-option=help --output=picotool.1 ./obj-$(DEB_HOST_GNU_TYPE)/picotool
	{ \
		awk 'NR == 1 && /DO NOT MODIFY THIS FILE!  It was generated by help2man/ { print }' picotool.1; \
		sed 's/@@DATE@@/$(DATE_MONTH_YEAR)/' debian/picotool.1.in; \
	} | diff -u - picotool.1
endif
	# if this was a cross-build, we can just use the cached debian/picotool.1.in
	# if this was a native build, we verified its contents above
	sed 's/@@DATE@@/$(DATE_MONTH_YEAR)/' debian/picotool.1.in > picotool.1;

execute_after_dh_auto_clean:
	rm -f picotool.1 ./xip_ram_perms/xip_ram_perms.elf