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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI="6"

ETYPE="headers"
H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
inherit kernel-2
detect_version

PATCH_VER="1"
SRC_URI="mirror://gentoo/gentoo-headers-base-${PV}.tar.xz
	https://dev.gentoo.org/~slyfox/distfiles/gentoo-headers-base-${PV}.tar.xz
	${PATCH_VER:+mirror://gentoo/gentoo-headers-${PV}-${PATCH_VER}.tar.xz}
	${PATCH_VER:+https://dev.gentoo.org/~slyfox/distfiles/gentoo-headers-${PV}-${PATCH_VER}.tar.xz}
"

KEYWORDS="alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 ~riscv s390 ~sh sparc x86 ~amd64-linux ~x86-linux"

DEPEND="app-arch/xz-utils
	dev-lang/perl"
RDEPEND=""

S=${WORKDIR}/gentoo-headers-base-${PV}

src_unpack() {
	unpack ${A}
}

src_prepare() {
	default

	[[ -n ${PATCH_VER} ]] && eapply "${WORKDIR}"/${PV}/*.patch
}

src_install() {
	kernel-2_src_install

	# hrm, build system sucks
	find "${ED}" '(' -name '.install' -o -name '*.cmd' ')' -delete
	find "${ED}" -depth -type d -delete 2>/dev/null
}

src_test() {
	# Make sure no uapi/ include paths are used by accident.
	egrep -r \
		-e '# *include.*["<]uapi/' \
		"${D}" && die "#include uapi/xxx detected"

	einfo "Possible unescaped attribute/type usage"
	egrep -r \
		-e '(^|[[:space:](])(asm|volatile|inline)[[:space:](]' \
		-e '\<([us](8|16|32|64))\>' \
		.

	einfo "Missing linux/types.h include"
	egrep -l -r -e '__[us](8|16|32|64)' "${ED}" | xargs grep -L linux/types.h

	emake ARCH=$(tc-arch-kernel) headers_check
}