https://unicode-org.atlassian.net/browse/ICU-23263

--- icu/source/configure.orig
+++ icu/source/configure
@@ -7013,7 +7013,7 @@
         # We're using gcc, and the simple -a gcc command line works for genccode
         GENCCODE_ASSEMBLY="-a gcc"
     fi ;;
-i*86-*-solaris*)
+*86*-solaris*)
     if test "$GCC" = yes; then
         # When using gcc, look if we're also using GNU as.
         # When using GNU as, the simple -a gcc command line works for genccode.