Hello, When I launch It command line : ./configure --enable-languages=c,c++,go && make && make install I have It end of command line The system is an amd64 but It is use by i386 ! TARGET_CPU_DEFAULT="" \ HEADERS="auto-host.h ansidecl.h" DEFINES="" \ /bin/bash ./mkconfig.sh config.h config.h is unchanged TARGET_CPU_DEFAULT="" \ HEADERS="options.h insn-constants.h config/vxworks-dummy.h config/i386/biarch64.h config/i386/i386.h config/i386/unix.h config/i386/att.h config/dbxelf.h config/elfos.h config/gnu-user.h config/glibc-stdint.h config/i386/x86-64.h config/i386/gnu-user-common.h config/i386/gnu-user64.h config/linux.h config/linux-android.h config/i386/linux-common.h config/i386/linux64.h config/initfini-array.h defaults.h" DEFINES="LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4 DEFAULT_LIBC=LIBC_GLIBC ANDROID_DEFAULT=0" \ /bin/bash ./mkconfig.sh tm.h tm.h is unchanged TARGET_CPU_DEFAULT="" \ HEADERS="config/i386/i386-protos.h config/linux-protos.h tm-preds.h" DEFINES="" \ /bin/bash ./mkconfig.sh tm_p.h tm_p.h is unchanged TARGET_CPU_DEFAULT="" \ HEADERS="auto-host.h ansidecl.h" DEFINES="" \ /bin/bash ./mkconfig.sh bconfig.h bconfig.h is unchanged make: *** No rule to make target '../build-x86_64-pc-linux-gnu/libiberty/libiberty.a', needed by 'build/genmodes'. Stop. I attach the end of the command line in attachment, Thank you in advance to help for install gcc 9, Regards. Dorian ROSSE. Provenance : Courrier<https://go.microsoft.com/fwlink/?LinkId=550986> pour Windows 10