From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 14 Feb 2017 02:11:51 +0000 (-0500)
Subject: sys-libs/libunwind: fix wasteful multilib source copies
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=0a61b2fa682d3872cba99cb9e1c124b750bfe901;p=gentoo.git

sys-libs/libunwind: fix wasteful multilib source copies

We can use standard autotools out-of-tree build logic to avoid copying.
---

diff --git a/sys-libs/libunwind/libunwind-1.2_rc1.ebuild b/sys-libs/libunwind/libunwind-1.2_rc1.ebuild
index 3463a052e448..1a17b24e07cb 100644
--- a/sys-libs/libunwind/libunwind-1.2_rc1.ebuild
+++ b/sys-libs/libunwind/libunwind-1.2_rc1.ebuild
@@ -24,8 +24,6 @@ RDEPEND="lzma? ( app-arch/xz-utils )"
 DEPEND="${RDEPEND}
 	libatomic? ( dev-libs/libatomic_ops )"
 
-DOCS=( AUTHORS ChangeLog NEWS README TODO )
-
 QA_DT_NEEDED_x86_fbsd="usr/lib/libunwind.so.7.0.0"
 
 S="${WORKDIR}/${MY_P}"
@@ -57,7 +55,6 @@ src_prepare() {
 	sed -i -e '/^SUBDIRS/s:tests::' Makefile.in || die
 
 	elibtoolize
-	multilib_copy_sources
 }
 
 multilib_src_configure() {
@@ -67,6 +64,7 @@ multilib_src_configure() {
 	# 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 \