Re: [Xenomai 4] Compilation issue

[Philippe Gerum <rpm@xenomai.org>]

KOCIK Rémy <remy.kocik@esiee.fr> writes:

> Hi all,
>
> I am new to xenomai 4.
>
> Following the information given on the xenomai 4 website, I installed
> linux-evl version v6.12.y and libevl version r50 on an Ubuntu 24.04
> LTS.
>
> With the kernel compiled and installed, I've managed to run evl test
> correctly.
>
> I'm now trying to compile and run a very simple program given as an
> example on the site.
>
> I don't know meson very well, so I've tried to compile the program
> with the following command:
>
> gcc -o foo foo.c -I/opt/evl/include -L/opt/evl/lib -levl
>
> I get the following error :
>
> /opt/evl/include/evl/syscall.h:11:10: fatal error: evl/syscall-abi.h:
> Aucun fichier ou dossier de ce nom
>    11 | #include <evl/syscall-abi.h>
>       |          ^~~~~~~~~~~~~~~~~~~
> compilation terminated.
>
> In the evl include directory we find the following files:
>
> drwxr-xr-x 3 root root  4096 févr. 12 11:52 .
> drwxr-xr-x 3 root root  4096 févr. 12 09:42 ..
> -rw-r--r-- 1 root root  1899 sept. 25 09:25 atomic.h
> -rw-r--r-- 1 root root   675 sept. 25 09:25 clock.h
> -rw-r--r-- 1 root root  1117 sept. 25 09:25 compat.h
> -rw-r--r-- 1 root root  2439 sept. 25 09:25 compiler.h
> -rw-r--r-- 1 root root  1782 sept. 25 09:25 event.h
> -rw-r--r-- 1 root root   961 sept. 25 09:25 evl.h
> -rw-r--r-- 1 root root  2413 sept. 25 09:25 flags.h
> -rw-r--r-- 1 root root  4202 sept. 25 09:25 heap.h
> -rw-r--r-- 1 root root  4873 sept. 25 09:25 list.h
> -rw-r--r-- 1 root root  2128 sept. 25 09:25 mutex.h
> drwxr-xr-x 2 root root  4096 févr. 12 11:52 net
> -rw-r--r-- 1 root root   825 sept. 25 09:25 observable.h
> -rw-r--r-- 1 root root   728 sept. 25 09:25 poll.h
> -rw-r--r-- 1 root root  1043 sept. 25 09:25 proxy.h
> -rw-r--r-- 1 root root 10460 sept. 25 09:25 ring_ptr.h
> -rw-r--r-- 1 root root  1422 sept. 25 09:25 rwlock.h
> -rw-r--r-- 1 root root   630 sept. 25 09:25 sched.h
> -rw-r--r-- 1 root root  1774 sept. 25 09:25 sem.h
> -rw-r--r-- 1 root root   462 sept. 25 09:25 syscall.h
> -rw-r--r-- 1 root root   694 sept. 25 09:25 sys.h
> -rw-r--r-- 1 root root  1311 sept. 25 09:25 thread.h
> -rw-r--r-- 1 root root   465 sept. 25 09:25 timer.h
> -rw-r--r-- 1 root root   560 sept. 25 09:25 xbuf.h
>
>
> There is no syscall-abi.h file.
>
> Is there a problem with my installation? I don't understand why this
> file is not in the directory.
>
> Thanks for your help
>
>
> Rémy

-I$KERNEL_TREE/include/uapi. Ideally, some installation procedure would
 deploy them to the build system, so that they could be found in e.g.
 /usr/include/evl.

-- 
Philippe.