commit:     7a1f5cfcb5edc8de26883557bc352969331b9fa5
Author:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
AuthorDate: Sun Jan  3 10:13:27 2021 +0000
Commit:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
CommitDate: Sun Jan  3 10:13:27 2021 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=7a1f5cfc

sys-libs/libunwind: don't enable USE=static-libs by default (take 2)

Let's do only dynamic libraries by default. That way we avoid
USE=static-libs conflict on:
- sys-libs/zlib (default disabled)
- app-arch/xz-utils (default disabled)

The only user that expects sys-libs/libunwind[static-libs]
is sys-libs/libcxxabi (+libunwind +static-libs). It will be
fixed in https://bugs.gentoo.org/760504.

Bug: https://bugs.gentoo.org/760504
Package-Manager: Portage-3.0.12, Repoman-3.0.2
Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org>

 sys-libs/libunwind/libunwind-1.5.0-r1.ebuild | 107 +++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)

diff --git a/sys-libs/libunwind/libunwind-1.5.0-r1.ebuild 
b/sys-libs/libunwind/libunwind-1.5.0-r1.ebuild
new file mode 100644
index 00000000000..2467a4251a0
--- /dev/null
+++ b/sys-libs/libunwind/libunwind-1.5.0-r1.ebuild
@@ -0,0 +1,107 @@
+# Copyright 2005-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+MY_PV=${PV/_/-}
+MY_P=${PN}-${MY_PV}
+inherit autotools flag-o-matic libtool multilib-minimal
+
+DESCRIPTION="Portable and efficient API to determine the call-chain of a 
program"
+HOMEPAGE="https://savannah.nongnu.org/projects/libunwind";
+SRC_URI="mirror://nongnu/libunwind/${MY_P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0/8" # libunwind.so.8
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 -sparc ~x86 
~amd64-linux ~x86-linux"
+IUSE="debug debug-frame doc libatomic lzma static-libs zlib"
+
+RESTRICT="test" # some tests are broken (toolchain version dependent, rely on 
external binaries)
+
+# We just use the header from libatomic.
+RDEPEND="
+       lzma? ( app-arch/xz-utils[static-libs?,${MULTILIB_USEDEP}] )
+       zlib? ( sys-libs/zlib[static-libs?,${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-ptrace-coredump.patch
+       "${FILESDIR}"/${PN}-1.2-ia64-missing.patch
+       # needs refresh:
+       #"${FILESDIR}"/${PN}-1.2.1-only-include-execinfo_h-if-avaliable.patch
+)
+
+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 works around some build errors too. #484846
+       sed -i -e '/^SUBDIRS/s:tests::' Makefile.in || die
+
+       elibtoolize
+       eautoreconf
+
+       # Let's wait for proper fix upstream in 
https://github.com/libunwind/libunwind/issues/154
+       # Meanwhile workaround for gcc-10 with -fcommon, bug #706560
+       append-cflags -fcommon
+}
+
+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 zlib zlibdebuginfo) \
+               $(use_enable debug conservative_checks) \
+               $(use_enable debug)
+}
+
+multilib_src_compile() {
+       # Bug 586208
+       CCACHE_NODIRECT=1 default
+}
+
+multilib_src_test() {
+       # Explicitly allow parallel build of tests.
+       # Sandbox causes some tests to freak out.
+       SANDBOX_ON=0 emake check
+}
+
+multilib_src_install_all() {
+       find "${D}" -name "*.la" -type f -delete || die
+}

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