Useful GCC warning options not enabled by -Wall -Wextra

Note: This blog post was written for GCC 7. Later versions of the compiler may have added some of these warnings to -Wall or -Wextra. GCC can warn about questionable constructs in the source code, but most such warnings are not enabled by default – developers need to use the options -Wall and -Wextra to get all generally useful warnings. There are many additional warning options that are not enabl

[mumumu-tan]

基本 -Wall なんだけど、知っておいて損はない

[fcicq]

Note: gcc 6/7+

[masami256]

-Wjump-misses-initは有効にしておきたい