Re: compiling error of using MUSL libm.a in RTAI 5.1

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Yes.
I just found that stupid false of mine.
If I enable the complex function support. that error disappear.

But the warning message come again.

On Sat, Feb 10, 2018 at 7:29 PM, Paolo Mantegazza <
[email protected]> wrote:

> After all the fuss, an email flood and the time I lost to found a possibl=
e
> bug in RTAI libm suppert in kernel space, I have a silly and trivial
> question for you?
> Did you enable the complex math support in configuring RTAI for MUSL?
> I think I know your answer already, but I'll be happy to hear it from you=
.
> Paolo
>
> ________________________________________
> From: Guo Yunfei [[email protected]]
> Sent: Saturday, February 10, 2018 10:03 AM
> To: Paolo Mantegazza
> Cc: [email protected]
> Subject: Re: [Rtai] compiling error of using MUSL libm.a in RTAI 5.1
>
> Did I need change my Debian or kernel version?
> Or need I change some configuration of it?
>
>
> Thanks
> Guo Yunfei.
>
> On Sat, Feb 10, 2018 at 4:34 PM, Paolo Mantegazza <
> [email protected]<mailto:[email protected]>> wrote:
> Download: musl-1.1.16.tar.gz (sig) - December 31, 2016  and try with it
> Paolo
> ________________________________________
> From: Rtai [[email protected]<mailto:[email protected]>] on
> behalf of Guo Yunfei [[email protected]<mailto:
> [email protected]>]
> Sent: Saturday, February 10, 2018 8:29 AM
> To: [email protected]<mailto:[email protected]>
> Subject: [Rtai] compiling error of using MUSL libm.a in RTAI 5.1
>
> Dear Paolo:
>
> I had config my system like below:
> Debian 8.9.0 --- kernel-3.16.7---RTAI-5.1
>
> I get the MUSL by command: git clone git://git.musl-libc.org/musl<h
> ttp://git.musl-libc.org/musl><http://git.musl-libc.org/musl>
> I build the MUSL follow the steps in  README.KLIBM file which in
> rtai-5.1/base/math
> the libm.a was build successful.
>
> after I set the libm.a  path , and make the RTAI 5.1
>
> the error message pop out as below:
> //----------------------------------------------------------
> Making all in math
> make[3]: Entering directory '/media/guoissac/13GDATA/rtai-5.1/base/math'
> make[4]: Entering directory '/media/guoissac/13GDATA/linux-3.16.7'
>   CC [M]  /media/guoissac/13GDATA/rtai-5.1/base/math/libm.o
> /media/guoissac/13GDATA/rtai-5.1/base/math/libm.c: In function =E2=80=98c=
pow=E2=80=99:
> /media/guoissac/13GDATA/rtai-5.1/base/math/libm.c:169:2: error: implicit
> declaration of function =E2=80=98cexp=E2=80=99 [-Werror=3Dimplicit-functi=
on-declaration]
>   return cexp(y*clog(x));
>   ^
> /media/guoissac/13GDATA/rtai-5.1/base/math/libm.c:169:2: error: implicit
> declaration of function =E2=80=98clog=E2=80=99 [-Werror=3Dimplicit-functi=
on-declaration]
> cc1: some warnings being treated as errors
> scripts/Makefile.build:257: recipe for target
> '/media/guoissac/13GDATA/rtai-5.1/base/math/libm.o' failed
> make[5]: *** [/media/guoissac/13GDATA/rtai-5.1/base/math/libm.o] Error 1
> Makefile:1333: recipe for target '_module_/media/guoissac/13GDATA/rtai-5.=
1/base/math'
> failed
> make[4]: *** [_module_/media/guoissac/13GDATA/rtai-5.1/base/math] Error 2
> make[4]: Leaving directory '/media/guoissac/13GDATA/linux-3.16.7'
> GNUmakefile:652: recipe for target 'rtai_math.ko' failed
> make[3]: *** [rtai_math.ko] Error 2
> make[3]: Leaving directory '/media/guoissac/13GDATA/rtai-5.1/base/math'
> GNUmakefile:423: recipe for target 'all-recursive' failed
> make[2]: *** [all-recursive] Error 1
> make[2]: Leaving directory '/media/guoissac/13GDATA/rtai-5.1/base'
> GNUmakefile:486: recipe for target 'all-recursive' failed
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory '/media/guoissac/13GDATA/rtai-5.1'
> GNUmakefile:417: recipe for target 'all' failed
> make: *** [all] Error 2
>
> //----------------------------------------------------------------
>
> above message pop out either I using a 32bit Debian or 64bit Debian.
> did that MUSL version is something wrong with it?
>
> any suggestion for this?
>
>
> Guo Yunfei
>
>
>
>
>

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<div dir=3D"ltr">Yes.=C2=A0<div>I just found that stupid false of mine.</di=
v><div>If I enable the complex function support. that error disappear.</div=
><div><br></div><div>But the warning message come again.</div></div><div cl=
ass=3D"gmail_extra"><br><div class=3D"gmail_quote">On Sat, Feb 10, 2018 at =
7:29 PM, Paolo Mantegazza <span dir=3D"ltr">&lt;<a href=3D"mailto:paolo.man=
[email protected]" target=3D"_blank">[email protected]</a>&gt;</sp=
an> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;=
border-left:1px #ccc solid;padding-left:1ex">After all the fuss, an email f=
lood and the time I lost to found a possible bug in RTAI libm suppert in ke=
rnel space, I have a silly and trivial question for you?<br>
Did you enable the complex math support in configuring RTAI for MUSL?<br>
I think I know your answer already, but I&#39;ll be happy to hear it from y=
ou.<br>
<span class=3D"">Paolo<br>
<br>
______________________________<wbr>__________<br>
From: Guo Yunfei [<a href=3D"mailto:[email protected]">guoyunfei2018@=
gmail.com</a>]<br>
Sent: Saturday, February 10, 2018 10:03 AM<br>
To: Paolo Mantegazza<br>
Cc: <a href=3D"mailto:[email protected]">[email protected]</a><br>
</span>Subject: Re: [Rtai] compiling error of using MUSL libm.a in RTAI 5.1=
<br>
<span class=3D""><br>
Did I need change my Debian or kernel version?<br>
Or need I change some configuration of it?<br>
<br>
<br>
Thanks<br>
Guo Yunfei.<br>
<br>
</span><span class=3D"">On Sat, Feb 10, 2018 at 4:34 PM, Paolo Mantegazza &=
lt;<a href=3D"mailto:[email protected]">[email protected]=
</a>&lt;<wbr>mailto:<a href=3D"mailto:[email protected]">paolo.man=
tegazza@<wbr>polimi.it</a>&gt;&gt; wrote:<br>
Download: musl-1.1.16.tar.gz (sig) - December 31, 2016=C2=A0 and try with i=
t<br>
Paolo<br>
______________________________<wbr>__________<br>
</span>From: Rtai [<a href=3D"mailto:[email protected]">rtai-bounces@rt=
ai.org</a>&lt;mailto:<a href=3D"mailto:[email protected]"><wbr>rtai-bou=
[email protected]</a>&gt;] on behalf of Guo Yunfei [<a href=3D"mailto:guoyunfei=
[email protected]">[email protected]</a>&lt;<wbr>mailto:<a href=3D"mailt=
o:[email protected]">[email protected]</a><wbr>&gt;]<br>
<span class=3D"">Sent: Saturday, February 10, 2018 8:29 AM<br>
</span>To: <a href=3D"mailto:[email protected]">[email protected]</a>&lt;mailto:<a =
href=3D"mailto:[email protected]">Rtai@<wbr>rtai.org</a>&gt;<br>
<span class=3D"">Subject: [Rtai] compiling error of using MUSL libm.a in RT=
AI 5.1<br>
<br>
Dear Paolo:<br>
<br>
I had config my system like below:<br>
Debian 8.9.0 --- kernel-3.16.7---RTAI-5.1<br>
<br>
</span>I get the MUSL by command: git clone git://<a href=3D"http://git.mus=
l-libc.org/musl" rel=3D"noreferrer" target=3D"_blank">git.musl-libc.org/mus=
l</a>&lt;<a href=3D"http://git.musl-libc.org/musl" rel=3D"noreferrer" targe=
t=3D"_blank">h<wbr>ttp://git.musl-libc.org/musl</a>&gt;&lt;<a href=3D"http:=
//git.musl-libc.org/musl" rel=3D"noreferrer" target=3D"_blank"><wbr>http://=
git.musl-libc.org/musl</a>&gt;<br>
<div class=3D"HOEnZb"><div class=3D"h5">I build the MUSL follow the steps i=
n=C2=A0 README.KLIBM file which in rtai-5.1/base/math<br>
the libm.a was build successful.<br>
<br>
after I set the libm.a=C2=A0 path , and make the RTAI 5.1<br>
<br>
the error message pop out as below:<br>
//----------------------------<wbr>------------------------------<br>
Making all in math<br>
make[3]: Entering directory &#39;/media/guoissac/13GDATA/rtai-<wbr>5.1/base=
/math&#39;<br>
make[4]: Entering directory &#39;/media/guoissac/13GDATA/<wbr>linux-3.16.7&=
#39;<br>
=C2=A0 CC [M]=C2=A0 /media/guoissac/13GDATA/rtai-<wbr>5.1/base/math/libm.o<=
br>
/media/guoissac/13GDATA/rtai-<wbr>5.1/base/math/libm.c: In function =E2=80=
=98cpow=E2=80=99:<br>
/media/guoissac/13GDATA/rtai-<wbr>5.1/base/math/libm.c:169:2: error: implic=
it declaration of function =E2=80=98cexp=E2=80=99 [-Werror=3Dimplicit-funct=
ion-<wbr>declaration]<br>
=C2=A0 return cexp(y*clog(x));<br>
=C2=A0 ^<br>
/media/guoissac/13GDATA/rtai-<wbr>5.1/base/math/libm.c:169:2: error: implic=
it declaration of function =E2=80=98clog=E2=80=99 [-Werror=3Dimplicit-funct=
ion-<wbr>declaration]<br>
cc1: some warnings being treated as errors<br>
scripts/Makefile.build:257: recipe for target &#39;/media/guoissac/13GDATA/=
rtai-<wbr>5.1/base/math/libm.o&#39; failed<br>
make[5]: *** [/media/guoissac/13GDATA/rtai-<wbr>5.1/base/math/libm.o] Error=
 1<br>
Makefile:1333: recipe for target &#39;_module_/media/guoissac/<wbr>13GDATA/=
rtai-5.1/base/math&#39; failed<br>
make[4]: *** [_module_/media/guoissac/<wbr>13GDATA/rtai-5.1/base/math] Erro=
r 2<br>
make[4]: Leaving directory &#39;/media/guoissac/13GDATA/<wbr>linux-3.16.7&#=
39;<br>
GNUmakefile:652: recipe for target &#39;rtai_math.ko&#39; failed<br>
make[3]: *** [rtai_math.ko] Error 2<br>
make[3]: Leaving directory &#39;/media/guoissac/13GDATA/rtai-<wbr>5.1/base/=
math&#39;<br>
GNUmakefile:423: recipe for target &#39;all-recursive&#39; failed<br>
make[2]: *** [all-recursive] Error 1<br>
make[2]: Leaving directory &#39;/media/guoissac/13GDATA/rtai-<wbr>5.1/base&=
#39;<br>
GNUmakefile:486: recipe for target &#39;all-recursive&#39; failed<br>
make[1]: *** [all-recursive] Error 1<br>
make[1]: Leaving directory &#39;/media/guoissac/13GDATA/rtai-<wbr>5.1&#39;<=
br>
GNUmakefile:417: recipe for target &#39;all&#39; failed<br>
make: *** [all] Error 2<br>
<br>
//----------------------------<wbr>------------------------------<wbr>-----=
-<br>
<br>
above message pop out either I using a 32bit Debian or 64bit Debian.<br>
did that MUSL version is something wrong with it?<br>
<br>
any suggestion for this?<br>
<br>
<br>
Guo Yunfei<br>
<br>
<br>
<br>
<br>
</div></div></blockquote></div><br></div>

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