https://github.com/termux/termux-packages/issues/15852

--- a/configure
+++ b/configure
@@ -679,6 +679,7 @@
 #line 680 "configure"
 #include "confdefs.h"
 
+int
 main(){return(0);}
 EOF
 if { (eval echo configure:685: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then