[gentoo-commits] repo/proj/prefix:master commit in: dev-lang/python/

[Fabian Groffen]

commit:     3794dac765e7e6237413b376b74c5f34833bff18
Author:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
AuthorDate: Tue Feb 19 11:58:11 2019 +0000
Commit:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
CommitDate: Tue Feb 19 12:00:09 2019 +0000
URL:        https://gitweb.gentoo.org/repo/proj/prefix.git/commit/?id=3794dac7

dev-lang/python: fix build on ppc-macos using >=gcc-8

Closes: https://bugs.gentoo.org/678062
Package-Manager: Portage-2.3.55.1-prefix, Repoman-2.3.12
Signed-off-by: Fabian Groffen <grobian <AT> gentoo.org>

 dev-lang/python/python-3.6.6.ebuild | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dev-lang/python/python-3.6.6.ebuild b/dev-lang/python/python-3.6.6.ebuild
index 1af7820df7..3003efd0da 100644
--- a/dev-lang/python/python-3.6.6.ebuild
+++ b/dev-lang/python/python-3.6.6.ebuild
@@ -124,6 +124,15 @@ src_prepare() {
 		configure.ac configure || die
 	sed -i -e '/find/s/$/ || true/' Mac/PythonLauncher/Makefile.in || die
 
+	# workaround a problem on ppc-macos with >=GCC-8 where dtoa gets
+	# miscompiled when optimisation is being used
+	if [[ ${CHOST} == powerpc*-darwin* ]] && \
+		tc-is-gcc && [[ $(gcc-major-version) -ge 8 ]] ;
+	then
+		sed -i \
+			-e '/^CFLAGS_ALIASING=/s/$/ -fno-tree-ter/' Makefile.pre.in || die
+	fi
+
 	eautoreconf
 }