Disable building on i686

Related: RHEL-62179

ant.spec

@@ -34,7 +34,7 @@
 
 Name:           ant
 Version:        1.10.9
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        Java build tool
 Summary(it):    Tool per la compilazione di programmi java
 Summary(fr):    Outil de compilation pour java
@@ -45,6 +45,9 @@ Source2:        apache-ant-1.8.ant.conf
 # manpage
 Source3:        ant.asciidoc
 
+BuildArch:      noarch
+ExclusiveArch:  aarch64 ppc64le s390x x86_64
+
 Patch0:         %{name}-build.xml.patch
 Patch1:         %{name}-openjdk-jpeg-cmyk.patch
 Patch2:         0001-Disable-SecurityManager-for-Java-18.patch
@@ -88,8 +91,6 @@ Suggests:       %{name}-openjdk17 = %{version}-%{release}
 # /usr/share/java-utils/java-functions
 Requires:       javapackages-tools
 
-BuildArch:      noarch
-
 %description
 Apache Ant is a Java library and command-line tool whose mission is to
 drive processes described in build files as targets and extension
@@ -713,6 +714,9 @@ LC_ALL=C.UTF-8 %{ant} -Doffline=true test
 # -----------------------------------------------------------------------------
 
 %changelog
+* Fri Nov 22 2024 Marián Konček <mkoncek@redhat.com> - 1.10.9-12
+- Disable building on i686
+
 * Thu Nov 21 2024 Marián Konček <mkoncek@redhat.com> - 1.10.9-11
 - Fix the usage ot patch macro