https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68466
angelo <angelo70 at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |UNCONFIRMED Resolution|INVALID |--- --- Comment #5 from angelo <angelo70 at gmail dot com> --- Hi Andreas, thanks, i installed kernel headers, and configured now with EXTRA_GCC_CONF="--enable-multilib --with-sysroot=/home/angelo/archivio/aziende/sysam/buildall/sysroot --with-arch=cf --with-newlib --with-system-zlib" with kernel headers set in sysroot/usr/include Still same erorr. /home/angelo/archivio/aziende/sysam/buildall/m68k/gcc/./gcc/xgcc -B/home/angelo/archivio/aziende/sysam/buildall/m68k/gcc/./gcc/ -B/home/angelo/archivio/aziende/sysam/buildall/output/m68k-linux/bin/ -B/home/angelo/archivio/aziende/sysam/buildall/output/m68k-linux/lib/ -isystem /home/angelo/archivio/aziende/sysam/buildall/output/m68k-linux/include -isystem /home/angelo/archivio/aziende/sysam/buildall/output/m68k-linux/sys-include -g -O2 -mcpu=54455 -Wa,-mno-mac -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -fPIC -I. -I. -I../../.././gcc -I/home/angelo/archivio/aziende/sysam/buildall/gcc-5.2.0/libgcc -I/home/angelo/archivio/aziende/sysam/buildall/gcc-5.2.0/libgcc/. -I/home/angelo/archivio/aziende/sysam/buildall/gcc-5.2.0/libgcc/../gcc -I/home/angelo/archivio/aziende/sysam/buildall/gcc-5.2.0/libgcc/../include -DHAVE_CC_TLS -o linux-atomic.o -MT linux-atomic.o -MD -MP -MF linux-atomic.dep -c /home/angelo/archivio/aziende/sysam/buildall/gcc-5.2.0/libgcc/config/m68k/linux-atomic.c -fvisibility=hidden -DHIDE_EXPORTS /home/angelo/archivio/aziende/sysam/buildall/gcc-5.2.0/libgcc/config/m68k/linux-atomic.c:36:24: fatal error: asm/unistd.h: No such file or directory compilation terminated. I can do something wrong, of course, but i don't see any sysroot reference in the line producing the error. I attach the full logs.