* Package:    net-misc/ena-driver-2.6.1
 * Repository: gentoo
 * Maintainer: dilfridge@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found sources for kernel version:
 *     5.16.11-gentoo-dist
 * Checking for suitable kernel configuration options...
 [ ok ]
>>> Unpacking source...
>>> Unpacking ena-driver-2.6.1-linux.tar.gz to /var/tmp/portage/net-misc/ena-driver-2.6.1/work
>>> Source unpacked in /var/tmp/portage/net-misc/ena-driver-2.6.1/work
>>> Preparing source in /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena ...
ln: failed to create symbolic link 'Module.symvers': File exists
 * Preparing ena module
make -j4 HOSTCC=x86_64-pc-linux-gnu-gcc 'LDFLAGS=-m elf_x86_64' CONFIG_MODULE_SIG=n KERNEL_DIR=/usr/src/linux all 
make -C /usr/src/linux M=/var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena modules
make[1]: Entering directory '/usr/src/linux-5.16.11-gentoo-dist'
warning: the compiler differs from the one used to build the kernel
  The kernel was built by: x86_64-pc-linux-gnu-gcc (Gentoo 11.2.0 p1) 11.2.0
  You are using:           x86_64-pc-linux-gnu-gcc (Gentoo 11.2.1_p20220115 p4) 11.2.1 20220115
  CC [M]  /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena/ena_netdev.o
  CC [M]  /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena/ena_ethtool.o
  CC [M]  /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena/ena_lpc.o
  CC [M]  /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena/dim.o
/var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena/ena_ethtool.c:1072:35: error: initialization of ‘int (*)(struct net_device *, struct ethtool_coalesce *, struct kernel_ethtool_coalesce *, struct netlink_ext_ack *)’ from incompatible pointer type ‘int (*)(struct net_device *, struct ethtool_coalesce *)’ [-Werror=incompatible-pointer-types]
 1072 |         .get_coalesce           = ena_get_coalesce,
      |                                   ^~~~~~~~~~~~~~~~
compilation terminated due to -Wfatal-errors.
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:287: /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena/ena_ethtool.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [Makefile:1846: /var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena] Error 2
make[1]: Leaving directory '/usr/src/linux-5.16.11-gentoo-dist'
make: *** [Makefile:41: all] Error 2
 * ERROR: net-misc/ena-driver-2.6.1::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=net-misc/ena-driver-2.6.1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-misc/ena-driver-2.6.1::gentoo'`.
 * The complete build log is located at '/var/log/portage/net-misc:ena-driver-2.6.1:20220305-011553.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/net-misc/ena-driver-2.6.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-misc/ena-driver-2.6.1/temp/environment'.
 * Working directory: '/var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena'
 * S: '/var/tmp/portage/net-misc/ena-driver-2.6.1/work/amzn-drivers-ena_linux_2.6.1/kernel/linux/ena'