[fftw] Disable NEON on ARM (we don't enable by default, needs runtime detection)

[Peter Robinson]

commit 310c96731db49f0c6fd781ca216c58499ac15c95
Author: Peter Robinson <pbrobinson at gmail.com>
Date:   Fri Jul 4 12:40:27 2014 +0100

    Disable NEON on ARM (we don't enable by default, needs runtime detection)

 fftw.spec |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/fftw.spec b/fftw.spec
index 2f3ebe4..559c2f6 100644
--- a/fftw.spec
+++ b/fftw.spec
@@ -148,12 +148,13 @@ for((i=0;i<2;i++)); do
 done
 %endif
 
-%ifarch %{arm}
-# Compile support for NEON instructions
-for((i=0;i<2;i++)); do
- prec_flags[i]+=" --enable-neon"
-done
-%endif
+# No NEON run time detection, not all ARM SoCs have NEON
+#%ifarch %{arm}
+## Compile support for NEON instructions
+#for((i=0;i<2;i++)); do
+# prec_flags[i]+=" --enable-neon"
+#done
+#%endif
 
 #%ifarch ppc ppc64
 ## Compile support for Altivec instructions
@@ -286,6 +287,7 @@ fi
 - SSE2 only arrived with P-4
 - https://fedoraproject.org/wiki/Features/F12X86Support
 - Fix ARM macro
+- Disable NEON on ARM (we don't enable by default, needs runtime detection)
 
 * Thu Jul 03 2014 Conrad Meyer <cemeyer at uw.edu> - 3.3.4-3
 - Build with --enable-avx (rhbz# 1114964)