X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=m4%2Fattribute.m4;h=3228deb31b65ae39a633ad6431271bc63b3d3ec0;hb=f5223937e62e1cc5e9b3d322490dd3af8d666750;hp=6a8f5558c9ef9b53a6744e03e2e507a5e48f6c06;hpb=fcd836c609568fab323f4af6dd525de957a6f4cc;p=tinc

diff --git a/m4/attribute.m4 b/m4/attribute.m4
index 6a8f5558..3228deb3 100644
--- a/m4/attribute.m4
+++ b/m4/attribute.m4
@@ -9,8 +9,8 @@ AC_DEFUN([tinc_ATTRIBUTE],
     CFLAGS="$CFLAGS -Wall -Werror"
     AC_COMPILE_IFELSE(
       [AC_LANG_SOURCE(
-        [void test(void) __attribute__ (($1));
-	 void test(void) { return; }
+        [void *test(void *x) __attribute__ (($1));
+	 void *test(void *x) { return (void *)x; }
 	],
        )],
        [tinc_cv_attribute_$1=yes],