Disable LTO for now

opus.spec

@@ -2,7 +2,7 @@
 
 Name:     opus
 Version:  1.3.1
-Release:  5%{?candidate:.%{candidate}}%{?dist}
+Release:  6%{?candidate:.%{candidate}}%{?dist}
 Summary:  An audio codec for use in low-delay speech and audio communication
 License:  BSD
 URL:      https://www.opus-codec.org/
@@ -34,6 +34,10 @@ cp %{SOURCE1} .
 cp %{SOURCE2} .
 
 %build
+# LTO triggers a GCC ICE on armv7 and LTO does not play well with the NEON
+# intrinsics.  Disable LTO for now
+%define _lto_cflags %{nil}
+
 %configure --enable-custom-modes --disable-static \
            --enable-hardening --enable-ambisonics
 
@@ -64,6 +68,9 @@ make check %{?_smp_mflags} V=1
 %{_datadir}/man/man3/opus_*.3.gz
 
 %changelog
+* Mon Aug 10 2020 Jeff Law <law@redhat.com> - 1.3.1-6
+- Disable LTO for now
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.1-5
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild