Commit db83435 introduced support for configuring for *-darwin23-gcc.
However configuring for *-darwin23-gcc does not currently add the
`-arch` flag to CFLAGS/LDFLAGS, so correct this here.
Change-Id: Ieeda1a5039ad40590dfcdcc6ba615a1d1697d54d
add_cflags "-mmacosx-version-min=10.15"
add_ldflags "-mmacosx-version-min=10.15"
;;
- *-darwin2[0-2]-*)
+ *-darwin2[0-3]-*)
add_cflags "-arch ${toolchain%%-*}"
add_ldflags "-arch ${toolchain%%-*}"
;;