This is probably no problem, but…

gcc -c -I. -Iproto -DHAVE_CONFIG_H     -O2 -fno-strength-reduce -Wall
-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1        -o objects/scriptfile.o
scriptfile.c
scriptfile.c: In function ‘estack_sfile’:
scriptfile.c:102:10: warning: unused variable ‘done’ [-Wunused-variable]
     int  done;
          ^~~~
scriptfile.c:101:11: warning: unused variable ‘res’ [-Wunused-variable]
     char *res;
           ^~~
scriptfile.c:99:10: warning: unused variable ‘idx’ [-Wunused-variable]
     int  idx;
          ^~~
scriptfile.c:98:10: warning: unused variable ‘len’ [-Wunused-variable]
     int  len;
          ^~~


Using gcc 7.4.1 on openSUSE Linux Leap 15.1

Best regards,
Tony.

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