Merge pull request #10101 from fwyzard/IB/CMSSW_16_0_X/master_UCX_1.19.0_no_AVX

Update UCX to version 1.19.0

Author: cmsbuild

ucx.spec

@@ -1,4 +1,4 @@
-### RPM external ucx 1.18.1
+### RPM external ucx 1.19.0
 Source: https://github.com/openucx/%{n}/archive/refs/tags/v%{realversion}.tar.gz
 BuildRequires: autotools
 %{!?without_cuda:Requires: cuda gdrcopy}
@@ -28,9 +28,12 @@ Requires: xpmem
   --enable-mt \
   --with-pic \
   --with-gnu-ld \
-  --with-avx \
+%ifarch x86_64
+  --with-march=x86-64-v2 \
   --with-sse41 \
   --with-sse42 \
+  --without-avx \
+%endif
   --without-go \
   --without-java \
 %if 0%{!?without_cuda:1}