Making sure 08_manylinux2010 only doesn't work on manylinux1

Author: YannickJadoul

test/08_manylinux2010_only/environment.json

@@ -1,3 +1,4 @@
 {
-    "CIBW_SKIP": "*-manylinux1"
+    "CIBW_ENVIRONMENT": "CFLAGS=\"$CFLAGS -Werror=implicit-function-declaration\"",
+    "CIBW_TEST_COMMAND": "python -c \"import spam\""
 }

test/08_manylinux2010_only/spam.c

@@ -7,12 +7,14 @@ static PyObject *
 spam_system(PyObject *self, PyObject *args)
 {
     const char *command;
-    int sts;
+    int sts = 0;
 
     if (!PyArg_ParseTuple(args, "s", &command))
         return NULL;
 
+#if defined(__linux__)
     sts = malloc_info(0, stdout);
+#endif
     if (sts == 0) {
         sts = system(command);
     }