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Re: [PATCH 1/8] Add --with-system-zlib in bfd

On 03/31/2015 11:10 AM, H.J. Lu wrote:
> On Mon, Mar 30, 2015 at 11:13 PM, Mike Frysinger <> wrote:
>> On 26 Mar 2015 08:57, H.J. Lu wrote:
>>> --- a/bfd/
>>> +++ b/bfd/
>>> -# Link in zlib if we can.  This allows us to read compressed debug sections.
>>> -# This is used only by compress.c.
>>> -AM_ZLIB
>>> +# Use the system's zlib library.
>>> +zlibdir=-L../zlib
>>> +zlibinc="-I\$(srcdir)/../zlib"
>>> +AC_ARG_WITH(system-zlib,
>>> +[AS_HELP_STRING([--with-system-zlib], [use installed libz])],
>>> +zlibdir=
>>> +zlibinc=
>>> +)
>> this is wrong.  the 3rd arg is whether the option was specified, not that the
>> option was disabled.  you need to check $withval is equal to "no" (or not equal
>> to "yes").
>> -mike
> That is what gcc/ has and it works for me.

Why are we patching every tool's configury instead of tweaking
config/zlib.m4 (where AM_ZLIB is from)?  We go from a single
place to edit, to the same configure bits spread around the
tree.  Seems like a step backwards.

Pedro Alves

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