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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit flag-o-matic toolchain-funcs verify-sig
DESCRIPTION="A libc optimized for small size"
HOMEPAGE="http://www.fefe.de/dietlibc/"
SRC_URI="
http://www.fefe.de/dietlibc/${P}.tar.xz
verify-sig? ( http://www.fefe.de/dietlibc/${P}.tar.xz.sig )
"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~mips ~sparc ~x86 ~amd64-linux ~x86-linux"
DEPEND=">=sys-devel/binutils-2.31.1-r4"
BDEPEND="verify-sig? ( sec-keys/openpgp-keys-fefe )"
DIETHOME="/usr/diet"
VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/fefe.asc
PATCHES=(
"${FILESDIR}"/${P}-cc.patch
)
src_prepare() {
default
# bug #855677
filter-lto
# Replace sparc64 related C[XX]FLAGS (see bug #45716)
use sparc && replace-sparc64-flags
# bug 676704
use sparc && tc-is-gcc && append-flags -fno-tree-pre
# gcc-hppa suffers support for SSP, compilation will fail
use hppa && strip-unsupported-flags
# Makefile does not append CFLAGS
append-flags -W -Wall -Wchar-subscripts \
-Wmissing-prototypes -Wmissing-declarations -Wno-switch \
-Wno-unused -Wredundant-decls -fno-strict-aliasing
# Disable ssp for we default to it on >=gcc-4.8.3
append-flags $(test-flags -fno-stack-protector)
# only use -nopie on archs that support it
tc-enables-pie && append-flags -no-pie
sed -i -e 's:strip::' Makefile || die
append-flags -Wa,--noexecstack
# https://bugs.gentoo.org/944229
append-cflags -std=gnu17
# https://bugs.gentoo.org/722970
sed -i -e 's:$(CROSS)ar:$(AR):' Makefile || die
sed -i -e 's:CC=gcc::' Makefile || die
}
src_compile() {
emake prefix="${EPREFIX}"${DIETHOME} \
AR="$(tc-getAR)" \
CC="$(tc-getCC)" \
CFLAGS="${CFLAGS}" \
STRIP=":"
}
src_install() {
emake -j1 prefix="${EPREFIX}"${DIETHOME} \
DESTDIR="${D}" \
install-bin \
install-headers \
install-profiling
dobin "${ED}"${DIETHOME}/bin/*
doman "${ED}"${DIETHOME}/man/*/*
rm -r "${ED}"${DIETHOME}/{man,bin} || die
dodoc AUTHOR BUGS CAVEAT CHANGES README THANKS TODO PORTING
}
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