30 июл. 2010 г. · Here are mine: -Wextra and -Wall : essential. -Wfloat-equal : useful because usually testing floating-point numbers for equality is bad.

13 мая 2019 г. · If you mean configuration options passed to GCC's configure script at the time it was built, then gcc -v is the command.

26 мая 2020 г. · I'm trying to use gcc compiler with option -frecord-gcc-switches to understand on my simple shared library but with no luck.

9 апр. 2013 г. · It's possibly worth noting that gcc still behaves in the "later options on the line override ones passed previously" way, even in your example.

12 мар. 2011 г. · -Wall -Wextra tends to cover the really noteworthy ones. Personally, I also like to compile with -ansi -pedantic and occasionally -Wshadow.

17 нояб. 2019 г. · The more professional you become the more warnings you strive to enable. My current favorite set is -Wall -Wextra -pedantic which gives a good average.

7 июл. 2016 г. · The default is to not display everything because most people don't want to see that much noise on a build. It would hide any warnings that occurred.

24 авг. 2012 г. · If you compile with the -frecord-gcc-switches flag, then the command line compiler options will be written in the binary in the note section.

31 авг. 2016 г. · When using gcov, you must first compile your program with two special GCC options: '-fprofile-arcs -ftest-coverage'. This tells the ...

27 апр. 2022 г. · A good choice of base-level for size optimisation is to use -Os which enables all optimisations of -O2 except those that are expected to potentially increase ...