GCC manual and --coverage vs -fprofile-arcs -ftest-coverage

[Segher Boessenkool]

On Fri, Mar 01, 2019 at 01:59:26PM +0100, Vincent Lefevre wrote:
> As documented, --coverage is a synonym for -fprofile-arcs -ftest-coverage
> (when compiling).
> 
> Then why does the GCC manual use "-fprofile-arcs -ftest-coverage"
> instead of the simpler "--coverage"?

Probably because no one sent a patch for that / sent suggestions to change
this / brought it up some other way?

Likely this manual was written before the -coverage option existed, to
answer your question.

I couldn't find it btw, and that's because...

> See, e.g.
>   https://gcc.gnu.org/onlinedocs/gcc/Invoking-Gcov.html
>   https://gcc.gnu.org/onlinedocs/gcc/Gcov-and-Optimization.html

... this is about the Gcov manual, not the GCC manual.

Patches are welcome (at gcc-patches@), or you can discuss it on gcc@, or
report a suggested improvement in bugzilla; it's off topic for this list.


Segher