--- configure.orig	2019-04-27 11:57:13 UTC
+++ configure
@@ -6192,8 +6192,8 @@ else
     CFLAGS="$CFLAGS -Wall -Werror"
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-void *test(void) __attribute__ ((__malloc__));
-	 void *test(void) { return (void *)0; }
+void *test(void *x) __attribute__ ((__malloc__));
+	 void *test(void *x) { return (void *)0; }
 
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
@@ -6226,8 +6226,8 @@ else
     CFLAGS="$CFLAGS -Wall -Werror"
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-void *test(void) __attribute__ ((__nonnull__));
-	 void *test(void) { return (void *)0; }
+void *test(void *x) __attribute__ ((__nonnull__));
+	 void *test(void *x) { return (void *)0; }
 
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
@@ -6260,8 +6260,8 @@ else
     CFLAGS="$CFLAGS -Wall -Werror"
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-void *test(void) __attribute__ ((__warn_unused_result__));
-	 void *test(void) { return (void *)0; }
+void *test(void *x) __attribute__ ((__warn_unused_result__));
+	 void *test(void *x) { return (void *)0; }
 
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :