--- a/src/buildtools/configure.json
+++ b/src/buildtools/configure.json
@@ -270,9 +270,11 @@
             "test": {
                 "include": "features.h",
                 "tail": [
+                    "#if defined(__GLIBC__)",
                     "#if __GLIBC__ < 2 || __GLIBC_MINOR__ < 17",
                     "#error glibc versions below 2.17 are not supported",
                     "#endif",
+                    "#endif"
                 ]
             }
         },