Re: xeus-gp FTBFS on Alpine Linux (musl libc)

[Matthias Koeppe <mkoeppe@ucdavis.edu>]

Hi Bill,
Meanwhile I have prepared a patch, see
https://github.com/passagemath/upstream-xeus-gp/commit/de82ff527cc08aaa1079828c9ad43f58da996f92
I'll also send it to the Xeus project as you suggest.

Matthias

On Thu, Aug 14, 2025 at 10:54 AM Bill Allombert
<Bill.Allombert@math.u-bordeaux.fr> wrote:
>
> On Wed, Aug 06, 2025 at 12:53:56PM -0700, Matthias Koeppe wrote:
> > [xeus_gp-0.1.0] [spkg-install] [1/4] Building CXX object
> > CMakeFiles/xeus-gp.dir/src/main.cpp.o
> > [xeus_gp-0.1.0] [spkg-install] FAILED: [code=1]
> > CMakeFiles/xeus-gp.dir/src/main.cpp.o
> > [xeus_gp-0.1.0] [spkg-install]
> > /host/sage-musllinux_1_2_aarch64/libexec/ccache/g++ -std=gnu++11
> > -DGUID_LIBUUID -DXEUS_GP_EXPORTS
> > -I/host/sage-musllinux_1_2_aarch64/var/tmp/sage/build/xeus_gp-0.1.0/src/include
> > -isystem /host/sage-musllinux_1_2_aarch64/include -g -O2
> > -Wunused-parameter -Wextra -Wreorder -std=c++17 -std=gnu++17
> > -Wunused-parameter -Wextra -Wreorder -MD -MT
> > CMakeFiles/xeus-gp.dir/src/main.cpp.o -MF
> > CMakeFiles/xeus-gp.dir/src/main.cpp.o.d -o
> > CMakeFiles/xeus-gp.dir/src/main.cpp.o -c
> > /host/sage-musllinux_1_2_aarch64/var/tmp/sage/build/xeus_gp-0.1.0/src/src/main.cpp
> > [xeus_gp-0.1.0] [spkg-install]
> > /host/sage-musllinux_1_2_aarch64/var/tmp/sage/build/xeus_gp-0.1.0/src/src/main.cpp:22:10:
> > fatal error: execinfo.h: No such file or directory
> > [xeus_gp-0.1.0] [spkg-install] 22 | #include <execinfo.h>
>
> This code comes from the cookiecutter example provided by Xeus.
> the code is
>
> #ifdef __GNUC__
> #include <stdio.h>
> #include <execinfo.h>
> #include <signal.h>
> #include <stdlib.h>
> #include <unistd.h>
> #endif
>
> ...
>
> #ifdef __GNUC__
> void handler(int sig)
> {
>     void* array[10];
>
>     // get void*'s for all entries on the stack
>     size_t size = backtrace(array, 10);
>
>     // print out all the frames to stderr
>     fprintf(stderr, "Error: signal %d:\n", sig);
>     backtrace_symbols_fd(array, size, STDERR_FILENO);
>     exit(1);
> }
> #endif
>
> If the guard __GNUC__ is not correct, then please report it to the Xeus project too!
> I do not have enough resource to diverge from the upstream cookiecutter example, given
> the frequent API changes.
>
> Cheers,
> Bill.
>


-- 
Matthias Koeppe -- http://www.math.ucdavis.edu/~mkoeppe