root@host /usr/src/linux # emerge --ask sys-kernel/gentoo-kernel

 * IMPORTANT: 8 news items need reading for repository 'gentoo'.
 * Use eselect news read to view new items.


These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild  N     ] sys-kernel/dracut-056-r2  USE="(-selinux) (-test)"
[ebuild  N     ] sys-kernel/gentoo-kernel-5.15.72  USE="initramfs -debug -hardened -savedconfig -test"
[ebuild  N     ] virtual/dist-kernel-5.15.72

Would you like to merge these packages? [Yes/No]

>>> Verifying ebuild manifests

>>> Running pre-merge checks for sys-kernel/gentoo-kernel-5.15.72

>>> Emerging (1 of 3) sys-kernel/dracut-056-r2::gentoo
 * dracut-056.tar.xz BLAKE2B SHA512 size ;-) ...                                                                                                                                        [ ok ]
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found sources for kernel version:
 *     5.15.72-gentoo
>>> Unpacking source...
>>> Unpacking dracut-056.tar.xz to /var/tmp/portage/sys-kernel/dracut-056-r2/work
>>> Source unpacked in /var/tmp/portage/sys-kernel/dracut-056-r2/work
>>> Preparing source in /var/tmp/portage/sys-kernel/dracut-056-r2/work/dracut-056 ...
 * Applying gentoo-ldconfig-paths-r1.patch ...                                                                                                                                          [ ok ]
 * Applying 056-musl.patch ...                                                                                                                                                          [ ok ]
 * Applying 056-fix-lvm-add-missing-grep-requirement.patch ...                                                                                                                          [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sys-kernel/dracut-056-r2/work/dracut-056 ...
./configure --prefix=/usr --sysconfdir=/etc --bashcompletiondir=/usr/share/bash-completion/completions --systemdsystemunitdir=/lib/systemd/system
dracut needs fts development files.
 * ERROR: sys-kernel/dracut-056-r2::gentoo failed (configure phase):
 *   (no error message)
 *
 * Call stack:
 *     ebuild.sh, line 122:  Called src_configure
 *   environment, line 1955:  Called die
 * The specific snippet of code:
 *       ./configure "${myconf[@]}" || die;
 *
 * If you need support, post the output of `emerge --info '=sys-kernel/dracut-056-r2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-kernel/dracut-056-r2::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/sys-kernel/dracut-056-r2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-kernel/dracut-056-r2/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-kernel/dracut-056-r2/work/dracut-056'
 * S: '/var/tmp/portage/sys-kernel/dracut-056-r2/work/dracut-056'

>>> Failed to emerge sys-kernel/dracut-056-r2, Log file:

>>>  '/var/tmp/portage/sys-kernel/dracut-056-r2/temp/build.log'

 * Messages for package sys-kernel/dracut-056-r2:

 * ERROR: sys-kernel/dracut-056-r2::gentoo failed (configure phase):
 *   (no error message)
 *
 * Call stack:
 *     ebuild.sh, line 122:  Called src_configure
 *   environment, line 1955:  Called die
 * The specific snippet of code:
 *       ./configure "${myconf[@]}" || die;
 *
 * If you need support, post the output of `emerge --info '=sys-kernel/dracut-056-r2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-kernel/dracut-056-r2::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/sys-kernel/dracut-056-r2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-kernel/dracut-056-r2/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-kernel/dracut-056-r2/work/dracut-056'
 * S: '/var/tmp/portage/sys-kernel/dracut-056-r2/work/dracut-056'