1 files changed, 92 insertions, 0 deletions
diff --git a/sys-libs/libunwind/libunwind-1.2.ebuild b/sys-libs/libunwind/libunwind-1.2.ebuild
new file mode 100644
index 000000000000..a95f69a728e0
--- /dev/null
+++ b/sys-libs/libunwind/libunwind-1.2.ebuild
@@ -0,0 +1,92 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="5"
+
+MY_PV=${PV/_/-}
+MY_P=${PN}-${MY_PV}
+inherit eutils libtool multilib-minimal
+
+DESCRIPTION="Portable and efficient API to determine the call-chain of a program"
+HOMEPAGE="https://savannah.nongnu.org/projects/libunwind"
+SRC_URI="http://download.savannah.nongnu.org/releases/libunwind/${MY_P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="7"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
+IUSE="debug debug-frame doc libatomic lzma static-libs"
+
+RESTRICT="test" #461958 -- re-enable tests with >1.1 again for retesting, this is here for #461394
+
+# We just use the header from libatomic.
+RDEPEND="lzma? ( app-arch/xz-utils )"
+DEPEND="${RDEPEND}
+	libatomic? ( dev-libs/libatomic_ops )"
+
+QA_DT_NEEDED_x86_fbsd="usr/lib/libunwind.so.7.0.0"
+
+S="${WORKDIR}/${MY_P}"
+
+MULTILIB_WRAPPED_HEADERS=(
+	/usr/include/libunwind.h
+
+	# see libunwind.h for the full list of arch-specific headers
+	/usr/include/libunwind-aarch64.h
+	/usr/include/libunwind-arm.h
+	/usr/include/libunwind-hppa.h
+	/usr/include/libunwind-ia64.h
+	/usr/include/libunwind-mips.h
+	/usr/include/libunwind-ppc32.h
+	/usr/include/libunwind-ppc64.h
+	/usr/include/libunwind-sh.h
+	/usr/include/libunwind-tilegx.h
+	/usr/include/libunwind-x86.h
+	/usr/include/libunwind-x86_64.h
+)
+
+src_prepare() {
+	# These tests like to fail.  bleh.
+	echo 'int main(){return 0;}' > tests/Gtest-dyn1.c
+	echo 'int main(){return 0;}' > tests/Ltest-dyn1.c
+
+	# Since we have tests disabled via RESTRICT, disable building in the subdir
+	# entirely.  This worksaround some build errors too. #484846
+	sed -i -e '/^SUBDIRS/s:tests::' Makefile.in || die
+
+	elibtoolize
+}
+
+multilib_src_configure() {
+	# --enable-cxx-exceptions: always enable it, headers provide the interface
+	# and on some archs it is disabled by default causing a mismatch between the
+	# API and the ABI, bug #418253
+	# conservative-checks: validate memory addresses before use; as of 1.0.1,
+	# only x86_64 supports this, yet may be useful for debugging, couple it with
+	# debug useflag.
+	ECONF_SOURCE="${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) \
+		$(use_enable debug)
+}
+
+multilib_src_test() {
+	# Explicitly allow parallel build of tests.
+	# Sandbox causes some tests to freak out.
+	SANDBOX_ON=0 emake check
+}
+
+multilib_src_install() {
+	default
+	# libunwind-ptrace.a (and libunwind-ptrace.h) is separate API and without
+	# shared library, so we keep it in any case
+	use static-libs || find "${ED}"usr '(' -name 'libunwind-generic.a' -o -name 'libunwind*.la' ')' -delete
+}