[New-bugs-announce] [issue15127] Supressing warnings with -w "whether gcc supports ParseTuple"

Samuel John report at bugs.python.org
Thu Jun 21 19:02:57 CEST 2012

New submission from Samuel John <python at samueljohn.de>:

In configrue.in, Python checks if the compiler supports __attribute__((format(PyArg_ParseTuple, 2, 3))) and sets the CFLAGS to "CFLAGS -Werror" to decide this test.

When you build Python with "CFLAGS=-w" (homebrew's default), configure reports 

    whether gcc supports ParseTuple ... yes

which is not supported for clang (I was told).

I know it's hard to remove a certain flag from the CFLAGS, but perhaps there should be better documentation about this issue.

components: Build
messages: 163349
nosy: samueljohn
priority: normal
severity: normal
status: open
title: Supressing warnings with -w  "whether gcc supports ParseTuple"
type: compile error
versions: Python 3.2

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