diff --git a/_multibuild b/_multibuild
new file mode 100644
index 0000000..9a4e0c6
--- /dev/null
+++ b/_multibuild
@@ -0,0 +1,3 @@
+<multibuild>
+ <flavor>build</flavor>
+</multibuild>
diff --git a/gcc.changes b/gcc.changes
index 80dda77..87fa8b5 100644
--- a/gcc.changes
+++ b/gcc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Feb 14 09:27:54 UTC 2024 - Richard Biener <rguenther@suse.com>
+
+- Add gcc-build flavor for building ALP packages, but disabled for
+  openSUSE.
+
 -------------------------------------------------------------------
 Tue Feb 13 14:46:11 UTC 2024 - Richard Biener <rguenther@suse.com>
 
diff --git a/gcc.spec b/gcc.spec
index bd201c5..e51fc9c 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -16,7 +16,17 @@
 #
 
 
+%define flavor @BUILD_FLAVOR@%{nil}
+
+%if "%{flavor}" == "build"
+%define gccsuffix -build
+%define gcc_version 13
+%define gcc_suffix 13
+%else
 %define gccsuffix %{nil}
+%define gcc_version 13
+%define gcc_suffix 13
+%endif
 
 Name:           gcc%{gccsuffix}
 %define separate_bi32 0
@@ -45,9 +55,7 @@ Name:           gcc%{gccsuffix}
 %endif
 %define libgccjit_sover 0
 URL:            http://gcc.gnu.org/
-%define gcc_version 13
-%define gcc_suffix 13
-Version:        13
+Version:        %{gcc_version}
 Release:        0
 Summary:        The system GNU C Compiler
 License:        GPL-3.0-or-later
@@ -67,6 +75,9 @@ BuildRequires:  gcc%{gcc_version}-ada
 BuildRequires:  gcc%{gcc_version}-d
 %endif
 Source:         cpp
+%if "%{gccsuffix}" != "" && 0%{?is_opensuse}
+ExclusiveArch:  do-not-build
+%endif
 
 %description -n gcc%{gccsuffix}
 The system GNU C Compiler.
@@ -142,8 +153,10 @@ The system GNU Compiler documentation.
 
 
 
-# install / update the entries
 
+
+
+# install / update the entries
 %post -n gcc%{gccsuffix}-info
 %install_info --info-dir=%{_infodir} --name=cpp --description='The GNU C preprocessor.' %{_infodir}/cpp.info.gz
 %install_info --info-dir=%{_infodir} --name=gcc --description='The GNU Compiler Collection.' %{_infodir}/gcc.info.gz