summaryrefslogtreecommitdiff
blob: 348fe63122acb19f7347b8f3f81fe6341b03609d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-libs/klibc/klibc-1.1.ebuild,v 1.3 2006/01/02 08:04:33 kumba Exp $

inherit eutils linux-mod

export CTARGET=${CTARGET:-${CHOST}}
if [[ ${CTARGET} == ${CHOST} ]] ; then
	if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then
		export CTARGET=${CATEGORY/cross-}
	fi
fi

DESCRIPTION="A minimal libc subset for use with initramfs."
HOMEPAGE="http://www.zytor.com/mailman/listinfo/klibc"
SRC_URI="ftp://ftp.kernel.org/pub/linux/libs/klibc/${P}.tar.bz2
	ftp://ftp.kernel.org/pub/linux/libs/klibc/Stable/${P}.tar.bz2
	ftp://ftp.kernel.org/pub/linux/libs/klibc/Testing/${P}.tar.bz2"
LICENSE="|| ( GPL-2 LGPL-2 )"
KEYWORDS="~amd64 mips ~ppc ~x86"
IUSE=""
RESTRICT="nostrip"

DEPEND="dev-lang/perl
	virtual/linux-sources"
RDEPEND="dev-lang/perl"

if [[ ${CTARGET} != ${CHOST} ]] ; then
	SLOT="${CTARGET}"
else
	SLOT="0"
fi

is_cross() { [[ ${CHOST} != ${CTARGET} ]] ; }

guess_arch() {
	local x
	local host=$(echo "${CTARGET%%-*}" | sed -e 's/i.86/i386/' \
	                                         -e 's/sun4u/sparc64/' \
	                                         -e 's/arm.*/arm/' \
	                                         -e 's/sa110/arm/' \
	                                         -e 's/powerpc/ppc/')

	# Sort reverse so that we will get ppc64 before ppc, etc
	for x in $(ls -1 "${S}/include/arch/" | sort -r) ; do
		if [[ ${host} == "${x}" ]] ; then
			echo "${x}"
			return 0
		fi
	done

	return 1
}

pkg_setup() {
	# Make sure kernel sources are OK
	# (Override for linux-mod eclass)
	check_kernel_built
}

src_unpack() {
	unpack ${A}

	if [[ ! -d /usr/${CTARGET} ]] ; then
		echo
		eerror "It does not look like your cross-compiler is setup properly!"
		die "It does not look like your cross-compiler is setup properly!"
	fi

	if ! guess_arch &>/dev/null ; then
		echo
		eerror "Could not guess klibc's ARCH from your CTARGET!"
		die "Could not guess klibc's ARCH from your CTARGET!"
	fi

	kernel_arch=$(readlink "${KV_OUT_DIR}/include/asm" | sed -e 's:asm-::')
	if [[ ${kernel_arch} != $(guess_arch) ]] ; then
		echo
		eerror "Your kernel sources are not configured for your chosen arch!"
		eerror "(KERNEL_ARCH=\"${kernel_arch}\", ARCH=\"$(guess_arch)\")"
		die "Your kernel sources are not configured for your chosen arch!"
	fi

	cd ${S}

	# Add our linux source tree symlink
	ln -snf ${KV_DIR} linux

	# set the build directory
	echo "KRNLOBJ = ${KV_OUT_DIR}" >> MCONFIG

	# We do not want all the nice prelink warnings
	# NOTE: for amd64, we might change below to '/usr/$(get_libdir)/klibc',
	#       but I do not do it right now, as the build system do not support
	#       the lib64 yet ....
	cat > "${S}/70klibc" <<-EOF
		PRELINK_PATH_MASK="/usr/lib/klibc"
	EOF

	# klibc detects mips64 systems as having 64bit userland
	# Force them to 32bit userlands instead
	epatch ${FILESDIR}/${P}-mips32.patch
}

src_compile() {
	if is_cross ; then
		einfo "ARCH = \"$(guess_arch)\""
		einfo "CROSS = \"${CTARGET}-\""
		emake ARCH=$(guess_arch) \
			CROSS="${CTARGET}-" || die "Compile failed!"
	else
		env -u ARCH \
		emake || die "Compile failed!"
	fi
}

src_install() {
	local klibc_prefix

	if is_cross ; then
		make INSTALLROOT=${D} \
			ARCH=$(guess_arch) \
			CROSS="${CTARGET}-" \
			install || die "Install failed!"

		klibc_prefix=$("${S}/${CTARGET}-klcc" -print-klibc-bindir)
	else
		env -u ARCH \
		make INSTALLROOT=${D} install || die "Install failed!"

		klibc_prefix=$("${S}/klcc" -print-klibc-bindir)
	fi

	# Hardlinks becoming copies
	dosym gzip "${klibc_prefix}/gunzip"
	dosym gzip "${klibc_prefix}/zcat"

	if ! is_cross ; then
		insinto /usr/share/aclocal
		doins ${FILESDIR}/klibc.m4

		doenvd ${S}/70klibc

		dodoc ${S}/README ${S}/klibc/{LICENSE,CAVEATS}
		newdoc ${S}/klibc/README README.klibc
		newdoc ${S}/klibc/arch/README README.klibc.arch
		docinto ash; newdoc ${S}/ash/README.klibc README
		docinto gzip; dodoc ${S}/gzip/{COPYING,README}
		docinto ipconfig; dodoc ${S}/ipconfig/README
		docinto kinit; dodoc ${S}/kinit/README
	fi
}

pkg_postinst() {
	# Override for linux-mod eclass
	return 0
}