Re: [Tinycc-devel] Compilation error while including LAPACKE

[Christian Jullien]

Hello, you can have an insight from Apple code here 
https://opensource.apple.com/source/Libm/Libm-47.1/



-----Original Message-----
From: Tinycc-devel [mailto:tinycc-devel-bounces+eligis=orange.fr@nongnu.org] On 
Behalf Of Christopher Choi
Sent: Thursday, April 14, 2022 12:04
To: tinycc-devel@nongnu.org
Subject: Re: [Tinycc-devel] Compilation error while including LAPACKE

Just curious, if I do need complex how hard is it to implement it? I
presume if the user wants to use LAPACKE or similar numerical library
they will run into similar problems

Any pointers would be much appreciated.
Many thanks
Chris

On Sat, 9 Apr 2022 at 17:45, Domingo Alvarez Duarte <mingodad@gmail.com> wrote:
>
> After your last message I've tried defining "_Complex" to empty and for
> the simple test it compiled, probably if you are not using complex this
> trick could work:
>
> =====
>
> #include <stdio.h>
> #define _Complex  //make it e noop
> #include <complex.h>
>
> int main() {
>    printf("Hello World!\n");
>    return 0;
> }
>
> ====
>
> Output:
>
> ====
>
> ../tcc  cmath.c
>  >Exit code: 0
> ./a.out
>  >./a.out
> Hello World!
>  >Exit code: 0
>
> ====
>
> On 9/4/22 18:14, Christopher Choi wrote:
> > Sorry I guess I'm not familiar with TCC, but I suppose this is
> > something TCC hasn't implemented yet? having dug into the archives a
> > little more the only other mention of complex type support with TCC
> > was in 2015.
> >
> > https://www.mail-archive.com/tinycc-devel@nongnu.org/msg06428.html
> >
> > If complex types are not supported are there known work-arounds other
> > than "dont use them"?
> >
> > Thanks
> > Chris
> >
> > On Sat, 9 Apr 2022 at 09:03, Domingo Alvarez Duarte <mingodad@gmail.com> 
> > wrote:
> >> The problem seem to be related with "Complex" rather than "lapacke":
> >>
> >> ====
> >>
> >> #include <stdio.h>
> >> #include <complex.h>
> >>
> >> int main() {
> >>     printf("Hello World!\n");
> >>     return 0;
> >> }
> >>
> >> ====
> >>
> >> Output:
> >>
> >> ====
> >>
> >> tcc -c cmath.c
> >> In file included from cmath.c:2:
> >> In file included from /usr/include/complex.h:106:
> >> /usr/include/x86_64-linux-gnu/bits/cmathcalls.h:55: error: ';' expected
> >> (got "cacos")
> >>
> >> ====
> >>
> >> Output of preprocessing:
> >>
> >> ====
> >>
> >> /tcc -E cmath.c
> >>
> >> ...
> >>
> >> # 106 "/usr/include/complex.h"
> >> # 1 "/usr/include/x86_64-linux-gnu/bits/cmathcalls.h" 1
> >> # 55 "/usr/include/x86_64-linux-gnu/bits/cmathcalls.h"
> >> extern double _Complex cacos (double _Complex __z) ; extern double
> >> _Complex __cacos (double _Complex __z) ;
> >>
> >> ...
> >>
> >> ====
> >>
> >> On 9/4/22 2:03, Christopher Choi wrote:
> >>> #include <lapacke.h>
> >>> #include <stdio.h>
> >>>
> >>> int main() {
> >>>     printf("Hello World!\n");
> >>>     return 0;
> >>> }
> >> _______________________________________________
> >> Tinycc-devel mailing list
> >> Tinycc-devel@nongnu.org
> >> https://lists.nongnu.org/mailman/listinfo/tinycc-devel
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>
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