configure: handle checks when cross-compiling

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/configure.ac b/configure.ac
index 029953e818f63c9613f1a228672e3b0e35fb5209..4686872ac7bd916fb336be46d904fec26ac349b2 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -656,7 +656,7 @@ int main(void)
     return 1;
   }
 }],
-[fmt_m=yes], [fmt_m=no])
+[fmt_m=yes], [fmt_m=no],, [fmt_m=no])
 if test "x$fmt_m" = "xyes"; then
        AC_DEFINE([HAVE_M_FORMAT], 1, [Have %m format])
        AC_MSG_RESULT([yes])