On 21/12/16 07:55, Jim Blandy wrote:
> The only things I really want anyway are:
>
> mk_add_options MOZ_OBJDIR=obj-bug
> ac_add_options --enable-debug='-g3 -O0 -fno-inline'
> ac_add_options --disable-optimize
As a side note, I tend to use "-Og -g" as that gives much faster code
than -O0 whilst retaining a reasonable debugging experience, viz:
ac_add_options --enable-optimize="-g -Og"
ac_add_options --enable-debug-symbols
ac_add_options --enable-debug
It does require gcc 5 or later (roughly) and gdb less than a couple of
years old, but that's not much of a constraint.
>From the gcc manual:
-Og
Optimize debugging experience. -Og enables optimizations that do not
interfere with debugging. It should be the optimization level of choice
for the standard edit-compile-debug cycle, offering a reasonable level
of optimization while maintaining fast compilation and a good debugging
experience.
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