--- gdk-pixbuf/fallback-c89.c.orig	2019-10-08 03:44:10.000000000 -0700
+++ gdk-pixbuf/fallback-c89.c	2020-03-30 18:48:56.000000000 -0700
@@ -18,6 +18,13 @@
  */
 
 #include <math.h>
+
+/* override results of math lib tests
+** we have these functions but not in mlib
+*/
+
+#define HAVE_ROUND 1
+#define HAVE_LRINT 1
  
 /* Workaround for round() for non-GCC/non-C99 compilers */
 #ifndef HAVE_ROUND
@@ -46,4 +53,4 @@
   else
     return x >= 0 ? floor (x + 0.5) : ceil (x - 0.5);
 }
-#endif
\ No newline at end of file
+#endif