--- configure	1995-06-20 11:46:54.000000000 -0400
+++ configure	2026-04-29 21:23:17.000000000 -0400
@@ -1539,7 +1539,7 @@
 cat > conftest.$ac_ext <<EOF
 #line 1541 "configure"
 #include "confdefs.h"
-main(){return(0);}
+int main(){return(0);}
 EOF
 eval $ac_link
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
@@ -1621,6 +1621,7 @@
 cat > conftest.$ac_ext <<EOF
 #line 1623 "configure"
 #include "confdefs.h"
+#include <stdlib.h>
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
@@ -1770,7 +1771,7 @@

 int main() { return 0; }
 int t() {
-} $ac_kw foo() {
+} $ac_kw int foo() {
 ; return 0; }
 EOF
 if eval $ac_compile; then
@@ -1936,8 +1937,10 @@
 cat > conftest.$ac_ext <<EOF
 #line 1938 "configure"
 #include "confdefs.h"
+#include <stdlib.h>
+#include <string.h>

-main()
+int main(void)
 {
   char c0 = 0x40, c1 = 0x80, c2 = 0x81;
   exit(memcmp(&c0, &c2, 1) < 0 && memcmp(&c1, &c2, 1) < 0 ? 0 : 1);
--- src/calcfracinit.c	2026-04-29 20:49:59.000000000 -0400
+++ src/calcfracinit.c	2026-04-29 22:11:46.000000000 -0400
@@ -189,8 +189,8 @@
   if(fractype != CELLULAR)
     {
     /* integer equivs for it all */
-    creal = fudgetolong(param[0]);
-    cimag = fudgetolong(param[1]);
+    lcreal = fudgetolong(param[0]);
+    lcimag = fudgetolong(param[1]);
     xmin  = fudgetolong(xxmin);
     xmax  = fudgetolong(xxmax);
     x3rd  = fudgetolong(xx3rd);
--- src/globals.c	2026-04-29 20:49:59.000000000 -0400
+++ src/globals.c	2026-04-29 22:11:10.000000000 -0400
@@ -541,9 +541,9 @@
 long ListFront;
 long ListSize;
 long calctime;
-long cimag;
+long lcimag;
 long con;
-long creal;
+long lcreal;
 long delmin;
 long delx;
 long dely;
--- src/globals.h	2026-04-29 20:49:59.000000000 -0400
+++ src/globals.h	2026-04-29 22:10:42.000000000 -0400
@@ -544,9 +544,9 @@
 extern long ListFront;
 extern long ListSize;
 extern long calctime;
-extern long cimag;
+extern long lcimag;
 extern long con;
-extern long creal;
+extern long lcreal;
 extern long delmin;
 extern long delx;
 extern long dely;
--- src/prototyp.h	2026-04-29 20:49:59.000000000 -0400
+++ src/prototyp.h	2026-04-29 20:54:59.000000000 -0400
@@ -901,7 +901,7 @@
   (Widget w, XtPointer client_data, XtPointer call_data);

 /* xmfract.c */
-extern void main(int argc, char **argv);
+extern int main(int argc, char **argv);
 extern void delay_display_authors_window
   (XtPointer client_data, XtIntervalId Id);
 extern void delay_display_disclaimer
diff -ru src/xmfract.c xmfract_1.4/src/xmfract.c
--- src/xmfract.c	2026-04-29 20:49:59.000000000 -0400
+++ src/xmfract.c	2026-04-29 20:55:25.000000000 -0400
@@ -20,8 +20,7 @@
 NULL
 };

-void
-main(int argc, char **argv)
+int main(int argc, char **argv)
 {
   int n;
   long xmversion;