sys-libs/libunwind: add multilib use deps, bug #676204

Hamlet noticed that sys-libs/libunwind does state
it's use dependencies against non-default ABIs.

Reported-by: Hamlet
Closes: https://bugs.gentoo.org/676204
Package-Manager: Portage-2.3.58, Repoman-2.3.12
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

diff --git a/sys-libs/libunwind/libunwind-1.2.1-r3.ebuild b/sys-libs/libunwind/libunwind-1.2.1-r3.ebuild
new file mode 100644 (file)
index 0000000..27084d4
--- /dev/null
+++ b/sys-libs/libunwind/libunwind-1.2.1-r3.ebuild
@@ -0,0 +1,105 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+MY_PV=${PV/_/-}
+MY_P=${PN}-${MY_PV}
+inherit autotools eutils libtool multilib-minimal
+
+DESCRIPTION="Portable and efficient API to determine the call-chain of a program"
+HOMEPAGE="https://savannah.nongnu.org/projects/libunwind"
+SRC_URI="mirror://nongnu/libunwind/${MY_P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="7"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 -sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
+IUSE="debug debug-frame doc libatomic lzma +static-libs"
+
+RESTRICT="test" # half of tests are broken (toolchain version dependent)
+
+# We just use the header from libatomic.
+RDEPEND="lzma? ( app-arch/xz-utils[${MULTILIB_USEDEP}] )"
+DEPEND="${RDEPEND}
+       libatomic? ( dev-libs/libatomic_ops[${MULTILIB_USEDEP}] )"
+
+S="${WORKDIR}/${MY_P}"
+
+MULTILIB_WRAPPED_HEADERS=(
+       /usr/include/libunwind.h
+
+       # see libunwind.h for the full list of arch-specific headers
+       /usr/include/libunwind-aarch64.h
+       /usr/include/libunwind-arm.h
+       /usr/include/libunwind-hppa.h
+       /usr/include/libunwind-ia64.h
+       /usr/include/libunwind-mips.h
+       /usr/include/libunwind-ppc32.h
+       /usr/include/libunwind-ppc64.h
+       /usr/include/libunwind-sh.h
+       /usr/include/libunwind-tilegx.h
+       /usr/include/libunwind-x86.h
+       /usr/include/libunwind-x86_64.h
+)
+
+PATCHES=(
+       "${FILESDIR}"/${PN}-1.2-coredump-regs.patch #586092
+       "${FILESDIR}"/${PN}-1.2-ia64-undwarf.patch
+       "${FILESDIR}"/${PN}-1.2-ia64-ptrace-coredump.patch
+       "${FILESDIR}"/${PN}-1.2-ia64-missing.patch
+       "${FILESDIR}"/${PN}-1.2.1-fix_version_macros.patch
+       "${FILESDIR}"/${PN}-1.2.1-only-include-execinfo_h-if-avaliable.patch
+       "${FILESDIR}"/${PN}-1.2.1-no-PROTECTED.patch #659732
+       "${FILESDIR}"/${PN}-1.2.1-arm-__asm__.patch #635674
+)
+
+src_prepare() {
+       default
+       chmod +x src/ia64/mk_cursor_i || die
+       # Since we have tests disabled via RESTRICT, disable building in the subdir
+       # entirely.  This worksaround some build errors too. #484846
+       sed -i -e '/^SUBDIRS/s:tests::' Makefile.in || die
+
+       elibtoolize
+       eautoreconf
+}
+
+multilib_src_configure() {
+       # --enable-cxx-exceptions: always enable it, headers provide the interface
+       # and on some archs it is disabled by default causing a mismatch between the
+       # API and the ABI, bug #418253
+       # conservative-checks: validate memory addresses before use; as of 1.0.1,
+       # only x86_64 supports this, yet may be useful for debugging, couple it with
+       # debug useflag.
+       ECONF_SOURCE="${S}" \
+       ac_cv_header_atomic_ops_h=$(usex libatomic) \
+       econf \
+               --enable-cxx-exceptions \
+               --enable-coredump \
+               --enable-ptrace \
+               --enable-setjmp \
+               $(use_enable debug-frame) \
+               $(use_enable doc documentation) \
+               $(use_enable lzma minidebuginfo) \
+               $(use_enable static-libs static) \
+               $(use_enable debug conservative_checks) \
+               $(use_enable debug)
+}
+
+multilib_src_compile() {
+       # Bug 586208
+       CCACHE_NODIRECT=1 default
+}
+
+multilib_src_test() {
+       # Explicitly allow parallel build of tests.
+       # Sandbox causes some tests to freak out.
+       SANDBOX_ON=0 emake check
+}
+
+multilib_src_install() {
+       default
+       # libunwind-ptrace.a (and libunwind-ptrace.h) is separate API and without
+       # shared library, so we keep it in any case
+       use static-libs || find "${ED}"usr '(' -name 'libunwind-generic.a' -o -name 'libunwind*.la' ')' -delete
+}