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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI="4"
inherit autotools eutils
DESCRIPTION="Portable and efficient API to determine the call-chain of a program"
HOMEPAGE="http://savannah.nongnu.org/projects/libunwind"
SRC_URI="http://download.savannah.nongnu.org/releases/libunwind/${P}.tar.gz"
LICENSE="MIT"
SLOT="7"
KEYWORDS="amd64 ~arm ia64 ~ppc x86 ~amd64-fbsd ~x86-fbsd"
IUSE="debug debug-frame static-libs"
# https://savannah.nongnu.org/bugs/?22368
# https://bugs.gentoo.org/273372
RESTRICT="test"
DOCS=( AUTHORS ChangeLog NEWS README TODO )
QA_DT_NEEDED_x86_fbsd="usr/lib/libunwind.so.7.0.0"
src_prepare() {
epatch "${FILESDIR}"/${PN}-1.0.1-disable-setjmp.patch
epatch "${FILESDIR}"/${PN}-1.0.1-ia64.patch #425736
eautoreconf
}
src_configure() {
# do not $(use_enable) because the configure.in is broken and parses
# --disable-debug the same as --enable-debug.
# https://savannah.nongnu.org/bugs/index.php?34324
# --enable-cxx-exceptions: always enable it, headers provide the interface
# and on some archs it is disabled by default causing a mismatch between the
# API and the ABI, bug #418253
# conservative-checks: validate memory addresses before use; as of 1.0.1,
# only x86_64 supports this, yet may be useful for debugging, couple it with
# debug useflag.
econf \
--enable-cxx-exceptions \
$(use_enable debug-frame) \
$(use_enable static-libs static) \
$(use_enable debug conservative_checks) \
$(use debug && echo --enable-debug)
}
src_test() {
# explicitly allow parallel build of tests
emake check
}
src_install() {
default
# libunwind-ptrace.a (and libunwind-ptrace.h) is separate API and without
# shared library, so we keep it in any case
use static-libs || rm -f "${ED}"usr/lib*/libunwind{-generic.a,*.la}
}
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