Re: [E-devel] undefined reference to `emotion_object_init(_Eo_Opaque*, char const*)'

2016-04-13 Thread The Rasterman 
On Wed, 13 Apr 2016 18:46:01 +0200 Andreas Volz  said:

> Am Sun, 27 Mar 2016 09:35:07 +0200 schrieb Andreas Volz:
> 
> > Hello,
> > 
> > I tried to repair the broken emotionxx. At some point it stopped to
> > work and so I deactivated it for some time. All applications liking
> > against it get:
> > 
> > libtool: link: g++ -O0 -ggdb -Wall -o .libs/emotionxx_example_simple
> > main.o  
> > /home/andreas/src/git/efl/bindings/eflxx/edjexx/src/.libs/libedjexx.so
> > -L/opt/e20/lib /opt/e20/lib/libedje.so 
> > /home/andreas/src/git/efl/bindings/eflxx/ecorexx/src/.libs/libecorexx.so 
> > /opt/e20/lib/libecore.so /opt/e20/lib/libecore_x.so 
> > /opt/e20/lib/libecore_evas.so /opt/e20/lib/libecore_ipc.so 
> > /home/andreas/src/git/efl/bindings/eflxx/evasxx/src/.libs/libevasxx.so 
> > /home/andreas/src/git/efl/bindings/eflxx/emotionxx/src/.libs/libemotionxx.so
> >  /opt/e20/lib/libemotion.so /opt/e20/lib/libevas.so 
> > /home/andreas/src/git/efl/bindings/eflxx/eflxx_examples/src/common/.libs/libeflxx_example_common.a
> >  /home/andreas/src/git/efl/bindings/eflxx/eflxx/src/.libs/libeflxx.so 
> > /home/andreas/src/git/efl/bindings/eflxx/einaxx/src/.libs/libeinaxx.so 
> > /usr/lib/x86_64-linux-gnu/libsigc-2.0.so /opt/e20/lib/libeina.so
> > -lpthread
> > -pthread 
> > /home/andreas/src/git/efl/bindings/eflxx/emotionxx/src/.libs/libemotionxx.so:
> > undefined reference to `emotion_object_init(_Eo_Opaque*, char
> > const*)' collect2: error: ld returned 1 exit status make[4]: ***
> > [emotionxx_example_simple] Fehler 1
> > 
> > 
> > But /opt/e20/lib/libemotion.so is in the linker path and I checked
> > that libemotion.so contains emotion_object_init function. I don't
> > understand why it doesn't link.
> 
> Ok, after several work I found the problem :-P
> 
> extern "C"
> {
> #include 
> }
> 
> Before this wasn't needed and other EFL parts don't need it. How ever
> now it works.

errr. Emotion.h has:

...
#include 
#include 
...

#ifdef __cplusplus
extern "C" {
#endif

...


you shouldn't need the extern "C"

or was is the Emotion.h include was not included at all?

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The Rasterman (Carsten Haitzler)ras...@rasterman.com


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Re: [E-devel] undefined reference to `emotion_object_init(_Eo_Opaque*, char const*)'

2016-04-13 Thread Cedric BAIL 
On Wed, Apr 13, 2016 at 9:54 AM, Cedric BAIL  wrote:
> On Apr 13, 2016 09:46, "Andreas Volz"  wrote:
>> Am Sun, 27 Mar 2016 09:35:07 +0200 schrieb Andreas Volz:
>> > I tried to repair the broken emotionxx. At some point it stopped to
>> > work and so I deactivated it for some time. All applications liking
>> > against it get:
>> >
>> > libtool: link: g++ -O0 -ggdb -Wall -o .libs/emotionxx_example_simple
>> > main.o
>> > /home/andreas/src/git/efl/bindings/eflxx/edjexx/src/.libs/libedjexx.so
>> > -L/opt/e20/lib /opt/e20/lib/libedje.so
>> > /home/andreas/src/git/efl/bindings/eflxx/ecorexx/src/.libs/libecorexx.so
>> > /opt/e20/lib/libecore.so /opt/e20/lib/libecore_x.so
>> > /opt/e20/lib/libecore_evas.so /opt/e20/lib/libecore_ipc.so
>> > /home/andreas/src/git/efl/bindings/eflxx/evasxx/src/.libs/libevasxx.so
>> > /home/andreas/src/git/efl/bindings/eflxx/emotionxx/src/.libs/libemotionxx.so
>> > /opt/e20/lib/libemotion.so /opt/e20/lib/libevas.so
>> > /home/andreas/src/git/efl/bindings/eflxx/eflxx_examples/src/common/.libs/libeflxx_example_common.a
>> > /home/andreas/src/git/efl/bindings/eflxx/eflxx/src/.libs/libeflxx.so
>> > /home/andreas/src/git/efl/bindings/eflxx/einaxx/src/.libs/libeinaxx.so
>> > /usr/lib/x86_64-linux-gnu/libsigc-2.0.so /opt/e20/lib/libeina.so
>> > -lpthread
>> > -pthread
>> > /home/andreas/src/git/efl/bindings/eflxx/emotionxx/src/.libs/libemotionxx.so:
>> > undefined reference to `emotion_object_init(_Eo_Opaque*, char
>> > const*)' collect2: error: ld returned 1 exit status make[4]: ***
>> > [emotionxx_example_simple] Fehler 1
>> >
>> >
>> > But /opt/e20/lib/libemotion.so is in the linker path and I checked
>> > that libemotion.so contains emotion_object_init function. I don't
>> > understand why it doesn't link.
>>
>> Ok, after several work I found the problem :-P
>>
>> extern "C"
>> {
>> #include 
>> }
>>
>> Before this wasn't needed and other EFL parts don't need it. How ever
>> now it works.
>
> Oh good catch. Will fix in emotion right away.

Actually there is already an extern "C" in Emotion.h. Could you look
into it a little bit more and see why it is not taken into account for
you ?
-- 
Cedric BAIL

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Re: [E-devel] undefined reference to `emotion_object_init(_Eo_Opaque*, char const*)'

2016-04-13 Thread Cedric BAIL 
On Apr 13, 2016 09:46, "Andreas Volz"  wrote:
>
> Am Sun, 27 Mar 2016 09:35:07 +0200 schrieb Andreas Volz:
>
> > Hello,
> >
> > I tried to repair the broken emotionxx. At some point it stopped to
> > work and so I deactivated it for some time. All applications liking
> > against it get:
> >
> > libtool: link: g++ -O0 -ggdb -Wall -o .libs/emotionxx_example_simple
> > main.o
/home/andreas/src/git/efl/bindings/eflxx/edjexx/src/.libs/libedjexx.so
> > -L/opt/e20/lib /opt/e20/lib/libedje.so
/home/andreas/src/git/efl/bindings/eflxx/ecorexx/src/.libs/libecorexx.so
/opt/e20/lib/libecore.so /opt/e20/lib/libecore_x.so
/opt/e20/lib/libecore_evas.so /opt/e20/lib/libecore_ipc.so
/home/andreas/src/git/efl/bindings/eflxx/evasxx/src/.libs/libevasxx.so
/home/andreas/src/git/efl/bindings/eflxx/emotionxx/src/.libs/libemotionxx.so
/opt/e20/lib/libemotion.so /opt/e20/lib/libevas.so
/home/andreas/src/git/efl/bindings/eflxx/eflxx_examples/src/common/.libs/libeflxx_example_common.a
/home/andreas/src/git/efl/bindings/eflxx/eflxx/src/.libs/libeflxx.so
/home/andreas/src/git/efl/bindings/eflxx/einaxx/src/.libs/libeinaxx.so
/usr/lib/x86_64-linux-gnu/libsigc-2.0.so /opt/e20/lib/libeina.so
> > -lpthread
> > -pthread
/home/andreas/src/git/efl/bindings/eflxx/emotionxx/src/.libs/libemotionxx.so:
> > undefined reference to `emotion_object_init(_Eo_Opaque*, char
> > const*)' collect2: error: ld returned 1 exit status make[4]: ***
> > [emotionxx_example_simple] Fehler 1
> >
> >
> > But /opt/e20/lib/libemotion.so is in the linker path and I checked
> > that libemotion.so contains emotion_object_init function. I don't
> > understand why it doesn't link.
>
> Ok, after several work I found the problem :-P
>
> extern "C"
> {
> #include 
> }
>
> Before this wasn't needed and other EFL parts don't need it. How ever
> now it works.

Oh good catch. Will fix in emotion right away.

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> Technical Blog 
>
>
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Manager
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tiers of
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Re: [E-devel] undefined reference to `emotion_object_init(_Eo_Opaque*, char const*)'

2016-04-13 Thread Andreas Volz 
Am Sun, 27 Mar 2016 09:35:07 +0200 schrieb Andreas Volz:

> Hello,
> 
> I tried to repair the broken emotionxx. At some point it stopped to
> work and so I deactivated it for some time. All applications liking
> against it get:
> 
> libtool: link: g++ -O0 -ggdb -Wall -o .libs/emotionxx_example_simple
> main.o  /home/andreas/src/git/efl/bindings/eflxx/edjexx/src/.libs/libedjexx.so
> -L/opt/e20/lib /opt/e20/lib/libedje.so 
> /home/andreas/src/git/efl/bindings/eflxx/ecorexx/src/.libs/libecorexx.so 
> /opt/e20/lib/libecore.so /opt/e20/lib/libecore_x.so 
> /opt/e20/lib/libecore_evas.so /opt/e20/lib/libecore_ipc.so 
> /home/andreas/src/git/efl/bindings/eflxx/evasxx/src/.libs/libevasxx.so 
> /home/andreas/src/git/efl/bindings/eflxx/emotionxx/src/.libs/libemotionxx.so 
> /opt/e20/lib/libemotion.so /opt/e20/lib/libevas.so 
> /home/andreas/src/git/efl/bindings/eflxx/eflxx_examples/src/common/.libs/libeflxx_example_common.a
>  /home/andreas/src/git/efl/bindings/eflxx/eflxx/src/.libs/libeflxx.so 
> /home/andreas/src/git/efl/bindings/eflxx/einaxx/src/.libs/libeinaxx.so 
> /usr/lib/x86_64-linux-gnu/libsigc-2.0.so /opt/e20/lib/libeina.so
> -lpthread
> -pthread 
> /home/andreas/src/git/efl/bindings/eflxx/emotionxx/src/.libs/libemotionxx.so:
> undefined reference to `emotion_object_init(_Eo_Opaque*, char
> const*)' collect2: error: ld returned 1 exit status make[4]: ***
> [emotionxx_example_simple] Fehler 1
> 
> 
> But /opt/e20/lib/libemotion.so is in the linker path and I checked
> that libemotion.so contains emotion_object_init function. I don't
> understand why it doesn't link.

Ok, after several work I found the problem :-P

extern "C"
{
#include 
}

Before this wasn't needed and other EFL parts don't need it. How ever
now it works.

-- 
Technical Blog 

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your business applications. It resolves application problems quickly and
reduces your MTTR. Get your free trial!
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