* Package:    app-laptop/tuxedo-keyboard-2.0.5
 * Repository: gentoo
 * Maintainer: mschiff@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox test userpriv usersandbox
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found sources for kernel version:
 *     5.7.4-gentoo
 * Checking for suitable kernel configuration options...
 [ ok ]
>>> Unpacking source...
>>> Unpacking tuxedo-keyboard-2.0.5.tar.gz to /var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/work
>>> Source unpacked in /var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/work
>>> Preparing source in /var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/work/tuxedo-keyboard-2.0.5 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/work/tuxedo-keyboard-2.0.5 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/work/tuxedo-keyboard-2.0.5 ...
ln: failed to create symbolic link 'Module.symvers': File exists
 * Preparing tuxedo_keyboard module
make -j1 HOSTCC=x86_64-pc-linux-gnu-gcc CROSS_COMPILE=x86_64-pc-linux-gnu- 'LDFLAGS=-m elf_x86_64' CC=x86_64-pc-linux-gnu-gcc KERN_DIR=/usr/src/linux KERN_VER=5.7.4-gentoo O=/usr/src/linux V=1 KBUILD_VERBOSE=1 all 
make -C /lib/modules/5.7.6/build M=/var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/work/tuxedo-keyboard-2.0.5 modules
make[1]: *** /lib/modules/5.7.6/build: No such file or directory.  Stop.
make: *** [Makefile:25: all] Error 2
 * ERROR: app-laptop/tuxedo-keyboard-2.0.5::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=app-laptop/tuxedo-keyboard-2.0.5::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-laptop/tuxedo-keyboard-2.0.5::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-laptop:tuxedo-keyboard-2.0.5:20200630-021135.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/temp/environment'.
 * Working directory: '/var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/work/tuxedo-keyboard-2.0.5'
 * S: '/var/tmp/portage/app-laptop/tuxedo-keyboard-2.0.5/work/tuxedo-keyboard-2.0.5'