As you see I have headers installed : /usr/src# ls libdvd-pkg linux-headers-4.15.0-52 linux-headers-4.15.0-52-generic linux-headers-4.15.0-54 linux-headers-4.15.0-54-generic root@bitfenix-server:/usr/src# sudo apt-get install linux-headers-4.15.0-54-generic Lecture des listes de paquets... Fait Construction de l'arbre des dépendances Lecture des informations d'état... Fait linux-headers-4.15.0-54-generic est déjà la version la plus récente (4.15.0-54.58). 0 mis à jour, 0 nouvellement installés, 0 à enlever et 5 non mis à jour. What should I do now ? Thank you in advance to bring your help, Regards. Dorian ROSSE. Provenance : Courrier<https://go.microsoft.com/fwlink/?LinkId=550986> pour Windows 10 ________________________________ De : Jonathan Wakely <jwakely.gcc@xxxxxxxxx> Envoyé : Wednesday, July 3, 2019 6:18:39 PM À : Dorian ROSSE Cc : Andrew Haley; Tadeus Prastowo; gcc-help@xxxxxxxxxxx Objet : Re: I can't install gcc 9 On Wed, 3 Jul 2019 at 16:51, Dorian ROSSE <dorianbrice@xxxxxxxxxx<mailto:dorianbrice@xxxxxxxxxx>> wrote: I have Following errors : In file included from /usr/include/bits/errno.h:26, from /usr/include/errno.h:28, from ../../.././libgcc/../gcc/tsystem.h:93, from ../../.././libgcc/generic-morestack-thread.c:27: /usr/include/linux/errno.h:1:10: fatal error: asm/errno.h: No such file or directory 1 | #include <asm/errno.h> | ^~~~~~~~~~~~~ You don't have the linux kernel headers installed. Install a package like kernel-headers or the equivalent for your distro. compilation terminated. ../../.././libgcc/shared-object.mk:14<http://shared-object.mk:14>: recipe for target 'generic-morestack-thread.o' failed make[5]: *** [generic-morestack-thread.o] Error 1 make[5]: Leaving directory '/opt/gcc-9.1.0/x86_64-pc-linux-gnu/32/libgcc' Makefile:1210: recipe for target 'multi-do' failed make[4]: *** [multi-do] Error 1 make[4]: Leaving directory '/opt/gcc-9.1.0/x86_64-pc-linux-gnu/libgcc' Makefile:125: recipe for target 'all-multi' failed make[3]: *** [all-multi] Error 2 make[3]: *** Waiting for unfinished jobs.... make[3]: Leaving directory '/opt/gcc-9.1.0/x86_64-pc-linux-gnu/libgcc' Makefile:22617: recipe for target 'all-stage1-target-libgcc' failed make[2]: *** [all-stage1-target-libgcc] Error 2 make[2]: Leaving directory '/opt/gcc-9.1.0' Makefile:28290: recipe for target 'stage1-bubble' failed make[1]: *** [stage1-bubble] Error 2 make[1]: Leaving directory '/opt/gcc-9.1.0' Makefile:1001: recipe for target 'all' failed make: *** [all] Error 2 I launch Following in the gcc-9.1 folder because in objdir It doesn’t works : $PWD/../gcc-9.1.0/configure --enable-languages=c,c++,fortran,go then I launch the Following where I happen Bottom errors paste : make -j 6 (It is an AMD 6300 FX) Do you know why I can’t launch in objdir ? You must be doing something wrong. Do you know why I should now ? Install the kernel headers. Or get somebody who knows what they're doing to help you.