Is disabling debug on i686 an option?
--- a/vulkan-validation-layers.spec
+++ b/vulkan-validation-layers.spec
@@ -43,7 +43,12 @@ developing applications that use %{name}.
%build
# Decrease debuginfo verbosity to reduce memory consumption even more
+%ifarch %{ix86}
+%global debug_package %{nil}
+%global optflags %(echo %{optflags} | sed 's/-g /-g0 /')
+%else
%global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
+%endif
%global optflags %(echo %{optflags} | sed 's/-O2 /-O1 /')
%cmake3 -DCMAKE_BUILD_TYPE=Release \