ppisar pushed to perl-PDL (master). "Disable fused multiply-add instructions on 64-bit PowerPC because of GSL (..more)"

From 517834ea6133ddb47e76f2dcf573c62b99597ea8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= 
Date: Thu, 5 Jan 2017 17:47:17 +0100
Subject: Disable fused multiply-add instructions on 64-bit PowerPC because of
 GSL

Also remove -O0 -fsigned-char options that seems unneded now. Actually
they presence prevents from passing tests on ppc64 now.
---
 perl-PDL.spec | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/perl-PDL.spec b/perl-PDL.spec
index 7667dc3..43b24e2 100644
--- a/perl-PDL.spec
+++ b/perl-PDL.spec
@@ -11,7 +11,7 @@
 Name:           perl-PDL
 %global cpan_version 2.017
 Version:        2.17.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        The Perl Data Language
 Group:          Development/Libraries
 License:        GPL+ or Artistic
@@ -181,10 +181,12 @@ such commercial packages as IDL and MatLab.
 sed -e 's,^#!/usr/bin/env perl,%(perl -MConfig -e 'print $Config{startperl}'),' -i Perldl2/pdl2

%build
-# Optimization above -O0 segfaults tests, bug #914307
-CFLAGS="%{optflags} -Wno-unused -O0"
-%ifarch ppc ppc64 s390 s390x
-CFLAGS="$CFLAGS -fsigned-char"
+# Suppress numerous warnings about unused variables
+CFLAGS="%{optflags} -Wno-unused"
+# Fused multiply-add instructions cause segfaults on 64-bit PowerPC if GSL
+# support is enabled (the same option is in gsl.spec), bug #1410162
+%ifarch ppc64 ppc64le
+CFLAGS="$CFLAGS -ffp-contract=off"
 %endif
 # Uncomment to enable PDL::IO::Browser
 # CFLAGS="$CFLAGS -DNCURSES"
@@ -215,6 +217,10 @@ make test
 %{_mandir}/man3/*.3*

%changelog
+* Thu Jan 05 2017 Petr Pisar  - 2.17.0-2
+- Disable fused multiply-add instructions on 64-bit PowerPC because of GSL
+  (bug #1410162)
+
 * Mon Oct 10 2016 Jitka Plesnikova  - 2.17.0-1
 - 2.017 bump