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# Copyright 2005-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
# Generate using https://github.com/thesamesam/sam-gentoo-scripts/blob/main/niche/generate-libunwind-docs
# Set to 1 if prebuilt, 0 if not
# (the construct below is to allow overriding from env for script)
: ${LIBUNWIND_DOCS_PREBUILT:=1}
LIBUNWIND_DOCS_PREBUILT_DEV=sam
LIBUNWIND_DOCS_VERSION=$(ver_cut 1-3)
# Default to generating docs (inc. man pages) if no prebuilt; overridden later
LIBUNWIND_DOCS_USEFLAG="+doc"
[[ ${LIBUNWIND_DOCS_PREBUILT} == 1 ]] && LIBUNWIND_DOCS_USEFLAG="doc"
inherit multilib-minimal
# Weird MY_P for https://github.com/libunwind/libunwind/issues/535
MY_P=${PN}-$(ver_rs 2 '')
DESCRIPTION="Portable and efficient API to determine the call-chain of a program"
HOMEPAGE="https://savannah.nongnu.org/projects/libunwind"
SRC_URI="https://github.com/libunwind/libunwind/releases/download/v${PV}/${MY_P}.tar.gz"
if [[ ${LIBUNWIND_DOCS_PREBUILT} == 1 ]] ; then
SRC_URI+=" !doc? ( https://dev.gentoo.org/~${LIBUNWIND_DOCS_PREBUILT_DEV}/distfiles/${CATEGORY}/${PN}/${PN}-${LIBUNWIND_DOCS_VERSION}-docs.tar.xz )"
fi
S="${WORKDIR}"/${MY_P}
LICENSE="MIT"
SLOT="0/8" # libunwind.so.8
KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 -sparc ~x86 ~amd64-linux ~x86-linux"
IUSE="debug debug-frame ${LIBUNWIND_DOCS_USEFLAG} libatomic lzma static-libs test zlib"
RESTRICT="test !test? ( test )" # some tests are broken (toolchain version dependent, rely on external binaries)
BDEPEND="
doc? ( app-text/texlive-core )
"
RDEPEND="
lzma? ( app-arch/xz-utils[static-libs?,${MULTILIB_USEDEP}] )
zlib? ( sys-libs/zlib[static-libs?,${MULTILIB_USEDEP}] )
"
# We just use the header from libatomic.
DEPEND="
${RDEPEND}
libatomic? ( dev-libs/libatomic_ops[${MULTILIB_USEDEP}] )
"
MULTILIB_WRAPPED_HEADERS=(
/usr/include/libunwind.h
# see libunwind.h for the full list of arch-specific headers
/usr/include/libunwind-aarch64.h
/usr/include/libunwind-arm.h
/usr/include/libunwind-hppa.h
/usr/include/libunwind-ia64.h
/usr/include/libunwind-mips.h
/usr/include/libunwind-ppc32.h
/usr/include/libunwind-ppc64.h
/usr/include/libunwind-riscv.h
/usr/include/libunwind-sh.h
/usr/include/libunwind-tilegx.h
/usr/include/libunwind-x86.h
/usr/include/libunwind-x86_64.h
)
src_prepare() {
default
chmod +x src/ia64/mk_cursor_i || die
}
multilib_src_configure() {
local myeconfargs=(
# --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
--enable-cxx-exceptions
--enable-coredump
--enable-ptrace
--enable-setjmp
$(use_enable debug-frame)
$(multilib_native_use_enable doc documentation)
$(use_enable lzma minidebuginfo)
$(use_enable static-libs static)
$(use_enable zlib zlibdebuginfo)
# 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.
$(use_enable debug conservative_checks)
$(use_enable debug)
$(use_enable test tests)
)
export ac_cv_header_atomic_ops_h=$(usex libatomic)
ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
}
multilib_src_compile() {
# bug #586208
CCACHE_NODIRECT=1 default
}
multilib_src_test() {
# Explicitly allow parallel build of tests.
# Sandbox causes some tests to freak out.
SANDBOX_ON=0 emake check
}
multilib_src_install_all() {
find "${ED}" -name "*.la" -type f -delete || die
# If USE=doc, there'll be newly generated docs which we install instead.
if ! use doc && [[ ${LIBUNWIND_DOCS_PREBUILT} == 1 ]] ; then
doman "${WORKDIR}"/${PN}-${LIBUNWIND_DOCS_VERSION}-docs/man*/*.[0-8]
fi
}
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