valopt release-channel "dev" "the name of the release channel to build"
valopt musl-root "/usr/local" "MUSL root installation directory"
+# Used on systems where "cc" and "ar" are unavailable
+valopt default-linker "cc" "the default linker"
+valopt default-ar "ar" "the default ar"
+
# Many of these are saved below during the "writing configuration" step
# (others are conditionally saved).
opt_nosave manage-submodules 1 "let the build manage the git submodules"