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# Copyright 2005-2021 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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MY_PV=${PV/_/-}
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MY_P=${PN}-${MY_PV}
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inherit autotools flag-o-matic libtool multilib-minimal
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DESCRIPTION="Portable and efficient API to determine the call-chain of a program"
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HOMEPAGE="https://savannah.nongnu.org/projects/libunwind"
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SRC_URI="mirror://nongnu/libunwind/${MY_P}.tar.gz"
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LICENSE="MIT"
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SLOT="0/8" # libunwind.so.8
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KEYWORDS="amd64 arm arm64 hppa ~ia64 ~mips ppc ppc64 -sparc x86 ~amd64-linux ~x86-linux"
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IUSE="debug debug-frame doc libatomic lzma static-libs zlib"
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RESTRICT="test" # some tests are broken (toolchain version dependent, rely on external binaries)
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# We just use the header from libatomic.
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RDEPEND="
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lzma? ( app-arch/xz-utils[static-libs?,${MULTILIB_USEDEP}] )
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zlib? ( sys-libs/zlib[static-libs?,${MULTILIB_USEDEP}] )
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"
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DEPEND="${RDEPEND}
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libatomic? ( dev-libs/libatomic_ops[${MULTILIB_USEDEP}] )"
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S="${WORKDIR}/${MY_P}"
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MULTILIB_WRAPPED_HEADERS=(
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/usr/include/libunwind.h
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# see libunwind.h for the full list of arch-specific headers
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/usr/include/libunwind-aarch64.h
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/usr/include/libunwind-arm.h
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/usr/include/libunwind-hppa.h
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/usr/include/libunwind-ia64.h
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/usr/include/libunwind-mips.h
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/usr/include/libunwind-ppc32.h
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/usr/include/libunwind-ppc64.h
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/usr/include/libunwind-sh.h
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/usr/include/libunwind-tilegx.h
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/usr/include/libunwind-x86.h
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/usr/include/libunwind-x86_64.h
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)
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PATCHES=(
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"${FILESDIR}"/${PN}-1.2-coredump-regs.patch #586092
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"${FILESDIR}"/${PN}-1.2-ia64-ptrace-coredump.patch
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"${FILESDIR}"/${PN}-1.2-ia64-missing.patch
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# needs refresh:
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#"${FILESDIR}"/${PN}-1.2.1-only-include-execinfo_h-if-avaliable.patch
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)
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src_prepare() {
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default
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chmod +x src/ia64/mk_cursor_i || die
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# Since we have tests disabled via RESTRICT, disable building in the subdir
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# entirely. This works around some build errors too. #484846
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sed -i -e '/^SUBDIRS/s:tests::' Makefile.in || die
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elibtoolize
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eautoreconf
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# Let's wait for proper fix upstream in https://github.com/libunwind/libunwind/issues/154
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# Meanwhile workaround for gcc-10 with -fcommon, bug #706560
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append-cflags -fcommon
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}
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multilib_src_configure() {
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# --enable-cxx-exceptions: always enable it, headers provide the interface
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# and on some archs it is disabled by default causing a mismatch between the
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# API and the ABI, bug #418253
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# conservative-checks: validate memory addresses before use; as of 1.0.1,
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# only x86_64 supports this, yet may be useful for debugging, couple it with
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# debug useflag.
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ECONF_SOURCE="${S}" \
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ac_cv_header_atomic_ops_h=$(usex libatomic) \
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econf \
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--enable-cxx-exceptions \
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--enable-coredump \
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--enable-ptrace \
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--enable-setjmp \
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$(use_enable debug-frame) \
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$(use_enable doc documentation) \
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$(use_enable lzma minidebuginfo) \
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$(use_enable static-libs static) \
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$(use_enable zlib zlibdebuginfo) \
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$(use_enable debug conservative_checks) \
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$(use_enable debug)
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}
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multilib_src_compile() {
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# Bug 586208
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CCACHE_NODIRECT=1 default
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}
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multilib_src_test() {
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# Explicitly allow parallel build of tests.
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# Sandbox causes some tests to freak out.
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SANDBOX_ON=0 emake check
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}
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multilib_src_install_all() {
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find "${D}" -name "*.la" -type f -delete || die
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}
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