overlay/dev-libs/dietlibc/dietlibc-0.33.ebuild

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# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-libs/dietlibc/dietlibc-0.33.ebuild,v 1.1 2013/10/13 15:15:44 polynomial-c Exp $
EAPI=5
inherit eutils flag-o-matic toolchain-funcs
DESCRIPTION="A libc optimized for small size"
HOMEPAGE="http://www.fefe.de/dietlibc/"
SRC_URI="http://www.fefe.de/dietlibc/${P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~arm"
IUSE=""
DEPEND=""
RDEPEND=""
DIETHOME=/usr/diet
src_prepare() {
# Replace sparc64 related C[XX]FLAGS (see bug #45716)
use sparc && replace-sparc64-flags
# gcc-hppa suffers support for SSP, compilation will fail
use hppa && strip-unsupported-flags
# Makefile does not append CFLAGS
append-flags -nostdinc -W -Wall -Wextra -Wchar-subscripts \
-Wmissing-prototypes -Wmissing-declarations -Wno-switch \
-Wno-unused -Wredundant-decls -fno-strict-aliasing
# only use -nopie on archs that support it
gcc-specs-pie && append-flags -nopie
sed -i -e 's:strip::' Makefile || die
append-flags -Wa,--noexecstack
# add armv7 support
sed -i 's/3-6/3-7/' Makefile
perl -pi -e 's/\r\n/\n/g' arm/md5asm.S
epatch "${FILESDIR}"/0020-fixes-for-ARMv7.diff
epatch "${FILESDIR}"/0027-fix-arm-mmap.diff
epatch "${FILESDIR}"/0036-fix-jmp_buf-size-on-armhf.diff
use arm && ln -sf bin-${ARCH} bin-${CHOST/-*/}
mv libcompat/stpcpy.c → lib/stpcpy.c
}
src_compile() {
emake prefix="${EPREFIX}"${DIETHOME} \
CC="$(tc-getCC)" \
CFLAGS="${CFLAGS}" \
STRIP=":"
}
src_install() {
emake prefix="${EPREFIX}"${DIETHOME} \
DESTDIR="${D}" \
install-bin \
install-headers
# broken so add a workaround
use arm && ln -sf lib-${ARCH} "${D}"/${DIETHOME}/lib-${CHOST/-*/}
dobin "${ED}"${DIETHOME}/bin/*
doman "${ED}"${DIETHOME}/man/*/*
rm -r "${ED}"${DIETHOME}/{man,bin} || die
dodoc AUTHOR BUGS CAVEAT CHANGES README THANKS TODO PORTING
}