Enable mimalloc on musl builds

Author: zanieb

cpython-unix/build-cpython.sh

@@ -422,8 +422,8 @@ if [ -n "${CPYTHON_DEBUG}" ]; then
 fi
 
 # Explicitly enable mimalloc on 3.13+, it's already included by default but with this it'll fail
-# if it's missing from the system. The MUSL builds do not supprt mimalloc yet.
-if [[ -n "${PYTHON_MEETS_MINIMUM_VERSION_3_13}" && "${CC}" != "musl-clang" ]]; then
+# if it's missing from the system.
+if [[ -n "${PYTHON_MEETS_MINIMUM_VERSION_3_13}" ]]; then
     CONFIGURE_FLAGS="${CONFIGURE_FLAGS} --with-mimalloc"
 fi