Why is there this warning?

2016-09-02 Thread Balaco Baco
Take the file [file.y], compile it to generate tab.[ch] files and the compile it (without linking) with gcc. It gives a warning in this step. Can fix this warning? Commands used and their output: $ bison -vd file.y $ gcc -Wall -c file.tab.c file.tab.c:1349: warning: implicit declaration o

Why is there this warning?

2016-09-02 Thread Balaco Baco
Take the file [file.y], compile it to generate tab.[ch] files and the compile it (without linking) with gcc. It gives a warning in this step. Can fix this warning? Commands used and their output: $ bison -vd file.y $ gcc -Wall -c file.tab.c file.tab.c:1349: warning: implicit declaration o