Hi, On Tue, Dec 19, 2017 at 5:18 PM, Dave Hansen <dave.hansen@xxxxxxxxx> wrote: > I'm seeing some build breakage that I bisected to commit 4e56207130eda: > >> CC kernel/bounds.s >> In file included from /home/davehans/linux.git/include/asm-generic/bug.h:15:0, >> from /home/davehans/linux.git/arch/x86/include/asm/bug.h:81, >> from /home/davehans/linux.git/include/linux/bug.h:4, >> from /home/davehans/linux.git/include/linux/page-flags.h:9, >> from /home/davehans/linux.git/kernel/bounds.c:9: >> /home/davehans/linux.git/include/linux/kernel.h:5:20: fatal error: stdarg.h: No such file or directory >> #include <stdarg.h> >> ^ >> compilation terminated. > > It's odd because I'm pretty sure I've done 4.15-rc compiles on this > system before without issues. I suspect something in my config > (attached) is triggering this. > > Does this look familiar to anyone? > > gcc -v > Using built-in specs. > COLLECT_GCC=/usr/bin/gcc > COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/6.4.1/lto-wrapper > Target: x86_64-redhat-linux > Configured with: ../configure --enable-bootstrap > --enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --prefix=/usr > --mandir=/usr/share/man --infodir=/usr/share/info > --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared > --enable-threads=posix --enable-checking=release --enable-multilib > --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions > --enable-gnu-unique-object --enable-linker-build-id > --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array > --disable-libgcj --with-isl --enable-libmpx > --enable-gnu-indirect-function --with-tune=generic --with-arch_32=i686 > --build=x86_64-redhat-linux > Thread model: posix > gcc version 6.4.1 20170727 (Red Hat 6.4.1-1) (GCC) Yes, it appears to be related to upgrading your compiler without doing a "make clean". Discussion can be found at <https://lkml.org/lkml/2017/12/16/315>, or search for the subject [BUG] Build error for 4.15-rc3 kernel caused by patch "kbuild: Add a cache for generated variables" -Doug -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
