Re: common.make -- debug=yes

[Ivan Vučica]

Stefan: Because otherwise the comment above is lying, no?

(I don't have a clear idea of what is exactly going on as I'm reading mail on my phone, but the comment speaks for what the author intended to happen.

Also, when debugging information is needed, you are typically debugging and would preferably want to have the execution to be in order. At least that's my expectation. Rarely - but not never - would I find optimisation + debuginfo useful.

I'm not advocating importing the patch or not, just observing the comment. Someone who is better able to spot and test for side effects should consider the patch's correctness.)

Giah: interesting observation! Do note that patches are more useful when sent in the standard unified diff format.

Also, when you write emails, colours are (unless you're pasting syntaxcolored code) just nice decoration, but they are also distracting from the text. There are also no replacement for other plaintext formatting; there is legitimate use for a plaintext-only email client which will not format your colors. Please consider that when decorating your emails.

On Thu, 18 Aug 2016, 23:24 Stefan Bidigaray, <address@hidden> wrote:

Why would you want to get rid of the optimization flag? Building with debugging on does not preclude optimization.

On Aug 18, 2016 18:12, "Giah de Barag" <address@hidden> wrote:

Would you review these two lines intended for insertion at common.make:756 . . .

ifeq ($(debug), yes)

  # Optimization flags are filtered out as they make debugging harder.

  OPTFLAG := $(filter-out -O%, $(OPTFLAG))

  CCFLAGS := $(filter-out -O%, $(CCFLAGS))

  ADDITIONAL_FLAGS := $(filter-out -O%, $(ADDITIONAL_FLAGS))

  # If OPTFLAG does not already include -g, add it here.

  ifneq ($(filter -g, $(OPTFLAG)), -g)

    ADDITIONAL_FLAGS += -g

  endif

. . . without which debug=yes does not get rid of the -O2 flag.

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