Ubuntu 17.10 master: git checkout 7df3014d84ff4b4d588e2857ee62a4bc0b3707d8 make qemu_x86_64_defconfig make BR2_JLEVEL=6 Outcome: >>> linux-headers 4.15 Building >>> linux-headers 4.15 Installing to staging directory (cd /home/ciro/bak/git/buildroot/output/build/linux-headers-4.15; PATH="/home/ciro/bak/git/buildroot/output/host/bin:/home/ciro/bak/git/buildroot/output/host/sbin:./node_modules/.bin:/usr/local/heroku/bin:/home/ ciro/android-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/android-studio//bin:/home/ciro/android-sdk/ndk-bundle:/home/ciro/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux -x86_64/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013/bin/x86_64-linux:/home/ciro/.rvm/gems/ruby-2.4.1/bin:/home/ciro/.rvm/gems/ruby-2.4.1@global/bin:/home/ciro/.rvm/rubies/ruby-2.4.1/bin: ./node_modules/.bin:/usr/local/heroku/bin:/home/ciro/android-sdk/platform-tools:/home/ciro/android-sdk/tools:/home/ciro/android-studio//bin:/home/ciro/android-sdk/ndk-bundle:/home/ciro/android-sdk/ndk-bundle/too lchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin:/home/ciro/bak/git/devbin:/home/ciro/bin:/usr/local/texlive/2013/bin/x86_64-linux:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/gam es:/usr/local/games:/usr/bin:/snap/bin:/home/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cabal/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux:/usr/ bin:/home/ciro/bak/git/latex:/home/ciro/.rvm/bin:/home/ciro/anaconda2/bin:/home/ciro/.cabal/bin:/bin:/home/ciro/.go/bin:/home/ciro/.local/bin/:/home/ciro/bak/git/runlinux" /usr/bin/make -j6 ARCH=x86_64 HOSTCC="/ usr/bin/gcc" HOSTCFLAGS="" HOSTCXX="/usr/bin/g++" INSTALL_HDR_PATH=/home/ciro/bak/git/buildroot/output/host/x86_64-buildroot-linux-uclibc/sysroot/usr headers_install) CHK include/generated/uapi/linux/version.h INSTALL include/misc (1 file) [...] INSTALL include/asm (63 files) if ! support/scripts/check-kernel-headers.sh /home/ciro/bak/git/buildroot/output/host/x86_64-buildroot-linux-uclibc/sysroot 4.11; then exit 1; fi Incorrect selection of kernel headers: expected 4.11.x, got 4.15.x package/pkg-generic.mk:286: recipe for target '/home/ciro/bak/git/buildroot/output/build/linux-headers-4.15/.stamp_staging_installed' failed make[1]: *** [/home/ciro/bak/git/buildroot/output/build/linux-headers-4.15/.stamp_staging_installed] Error 1 Makefile:79: recipe for target '_all' failed make: *** [_all] Error 2
Fixed by https://git.buildroot.net/buildroot/commit/?id=8a6e30efdeb9f31d51a92ed465373f4128f55e8a - Thanks!