https://bugs.gentoo.org/863257
https://bugs.gentoo.org/871423
--- a/mace2/anldp.c
+++ b/mace2/anldp.c
@@ -51,2 +51,4 @@
 
+#include "../source/header.h"
+
 int First_order;        /* used by dp.c */
--- a/source/formed/display.c
+++ b/source/formed/display.c
@@ -588,3 +588,3 @@
 
-setup_operator_pixmaps(font_string)
+void setup_operator_pixmaps(font_string)
 char font_string[];
--- a/source/formed/formed.c
+++ b/source/formed/formed.c
@@ -15,3 +15,3 @@
 
-main(argc, argv)
+int main(argc, argv)
 int argc;