Compilation Xenomai 3.x : error: pasting X and Y does not give a valid preprocessing token

Bonjour,

Je souhaite installer Xenomai 3.x sur une cible. J'ai pris la dernière version stable de Xenomai (3.0.3) et un noyau Linux correspondant aux patchs disponibles pour cette version de Xenomai (c'est à dire 4.4.43).

La compilation doit être effectuée avec Buildroot, la chaîne de compilation croisée construite par Buildroot est basée sur gcc 6.3.0. Cependant lorsque vient l'étape de compilation de Xenomai j'ai les messages d'erreur suivants :

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In file included from /buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/time.h:26:0,
                 from /buildroot-2017.02/output/host/usr/powerpc-buildroot-linux-uclibc/sysroot/usr/include/sys/types.h:132,
                 from bootstrap.c:18:
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:1: error: pasting "__cobalt_" and "(" does not give a valid preprocessing token
 COBALT_DECL(int, fputc(int c, FILE *stream));
 ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, fputc(int c, FILE *stream));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, fputc(int c, FILE *stream));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:1: error: pasting "__real_" and "(" does not give a valid preprocessing token
 COBALT_DECL(int, fputc(int c, FILE *stream));
 ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, fputc(int c, FILE *stream));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, fputc(int c, FILE *stream));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:1: error: pasting "__wrap_" and "(" does not give a valid preprocessing token
 COBALT_DECL(int, fputc(int c, FILE *stream));
 ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, fputc(int c, FILE *stream));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:68:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, fputc(int c, FILE *stream));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:1: error: pasting "__cobalt_" and "(" does not give a valid preprocessing token
 COBALT_DECL(int, putchar(int c));
 ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, putchar(int c));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, putchar(int c));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:1: error: pasting "__real_" and "(" does not give a valid preprocessing token
 COBALT_DECL(int, putchar(int c));
 ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, putchar(int c));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, putchar(int c));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:1: error: pasting "__wrap_" and "(" does not give a valid preprocessing token
 COBALT_DECL(int, putchar(int c));
 ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, putchar(int c));
                  ^
/buildroot-2017.02/output/build/xenomai-3.0.3/include/cobalt/stdio.h:70:18: error: expected declaration specifiers or '...' before '(' token
 COBALT_DECL(int, putchar(int c));

J'ai essayé de compiler en dehors de Buildroot ainsi qu'avec d'autres versions de gcc mais j'ai toujours cette même erreur. Il me semble qu'il doit y avoir un souci avec mes options de compilation mais même si c'est le cas j'ai cherché et je ne vois pas vraiment ce que je devrais rajouter ou enlever comme options.