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Re: make the shared library optional
- From: Vicente Olivert Riera <Vincent dot Riera at imgtec dot com>
- To: elfutils-devel at lists dot fedorahosted dot org
- Date: Fri, 07 Nov 2014 15:47:32 +0000
- Subject: Re: make the shared library optional
Dear Mark Wielaard,
On 11/07/2014 02:16 PM, Mark Wielaard wrote:
> On Mon, 2014-11-03 at 14:45 +0000, Vicente Olivert Riera wrote:
>> I'm having a failure when doing a static build of elfutils because it
>> tries to build a shared library (.so). Could it be possible to add a
>> configure option to disable the shared library so only the static one
>> (.a) would be built?
>> This is the failure I'm talking about:
>> relocation R_MIPS_HI16 against `a local symbol' can not be used when
>> making a shared object; recompile with -fPIC
>> could not read symbols: Bad value
>> collect2: error: ld returned 1 exit status
>> Makefile:939: recipe for target 'libelf.so' failed
>> make: *** [libelf.so] Error 1
thanks a lot for your reply.
> Does that failure also happen with a normal (not patched) build?
Those patches are necessary. Otherwise it will fail at many points. You
can see the comments on the patches:
> It looks like the issue is with the crtbeginT.o code, not with any of
> the elfutils objects? I don't immediately know why that particular
> object is linked into the shared library. Does the toolchain pick up the
> correct version?
I'm sorry, the correct version of what? Also, that's an external
toolchain and I don't have much information about it :S
>> The full build log is here:
> It looks like that is a fairly old 0.155 build with several patches
> applied. Have you tried latest elfutils 0.160 or current git?
I have tried elfutils-0.160, but I'm having this error:
/br/output/host/usr/bin/mipsel-linux-gcc -D_GNU_SOURCE -DHAVE_CONFIG_H
-DLOCALEDIR='"/usr/share/locale"' -I. -I.. -I. -I. -I../lib -I..
-I./../libelf -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -std=gnu99 -Wall
-Wshadow -Werror -Wunused -Wextra -fgnu89-inline -Wformat=2 -fpic
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -pipe -Os -g2 -static -c -o
color.c: In function ‘parse_opt’:
color.c:135:5: error: passing argument 4 of ‘argp_help’ discards ‘const’
qualifier from pointer target type [-Werror]
In file included from color.c:34:0:
note: expected ‘char *’ but argument is of type ‘const char *’
extern void argp_help (__const struct argp *__restrict __argp,
cc1: all warnings being treated as errors
make: *** [color.o] Error 1
> If you think any of those patches are useful could you submit them so we
> can review them for inclusion upstream?
Please have a look to those patches here. I think some of them can be
Vicente Olivert Riera
Graduate Software Engineer, MIPS Processor IP
Imagination Technologies Limited
t: +44 (0)113 2429814