[Buildroot] [PATCH 1/3] c-icap: avoid host library search path

[Arnout Vandecappelle]

On 04/20/16 20:04, Baruch Siach wrote:
> Hi Thomas,
>
> On Tue, Apr 19, 2016 at 09:14:57PM +0200, Thomas Petazzoni wrote:
>> On Tue, 19 Apr 2016 21:15:44 +0300, Baruch Siach wrote:
>>> +C_ICAP_MAKE_OPTS = exec_prefix=$(STAGING_DIR)/usr
>>
>> This is not correct. Setting exec_prefix to $(STAGING_DIR)/usr is
>> wrong. Instead, can you try to remove:
>>
>>     -rpath @libdir@
>>
>> from the various Makefile.am ?
>
> It turns out that forcing AUTORECONF is enough to fix the problem. I'm not
> sure why. I have only noticed that after AUTORECONF, -lz appears explicitly in
> the link command line, whereas before libz was linked in implicitly via
> libicapapi.so NEEDED tag. Manually running the failed link command with -lz
> added, fixes the link as well. I guess that -lz makes the linker search in
> sysroot before rpath, but I could not find an explanation to this behaviour in
> the ld documentation.

  As I wrote yesterday: -rpath is used for searching for NEEDED entries, not for 
searching for -l argument. And vice versa: -L is used to search for -l 
arguments, but not for NEEDED entries.

  Regards,
  Arnout

>
> Any suggestion for the comment text to explain the AUTORECONF?
>
> baruch
>


-- 
Arnout Vandecappelle                          arnout at mind be
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