fixup! Build libtcl

Author: geofft

cpython-unix/build-cpython.sh

@@ -1260,11 +1260,13 @@ if [ -d "${TOOLS_PATH}/deps/lib/tcl8" ]; then
         cp -av $source ${ROOT}/out/python/install/lib/
     done
 
-    if [[ "${PYBUILD_PLATFORM}" == macos* ]]; then
-        cp -av ${TOOLS_PATH}/deps/lib/lib*.dylib ${ROOT}/out/python/install/lib/
-    else
-        cp -av ${TOOLS_PATH}/deps/lib/lib*.so ${ROOT}/out/python/install/lib/
-    fi
+    (
+        shopt -s nullglob
+        dylibs=(${TOOLS_PATH}/deps/lib/lib*.dylib ${TOOLS_PATH}/deps/lib/lib*.so)
+        if [ "${#dylibs[@]}" -gt 0 ]; then
+            cp -av "${dylibs[@]}" ${ROOT}/out/python/install/lib/
+        fi
+    )
 fi
 
 # Copy the terminfo database if present.