>>> Emerging (30 of 279) dev-perl/File-BaseDir-0.30.0-r1::gentoo
 * File-BaseDir-0.03.tar.gz SHA256 SHA512 WHIRLPOOL size ;-) ...               [ ok ]
>>> Unpacking source...
>>> Unpacking File-BaseDir-0.03.tar.gz to /var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/work
>>> Source unpacked in /var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/work
>>> Preparing source in /var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/work/File-BaseDir-0.03 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/work/File-BaseDir-0.03 ...
 * Using Module::Build
 * perl Build.PL --installdirs=vendor --libdoc= --destdir=/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/image/ --create_packlist=1
Can't locate Module/Build.pm in @INC (you may need to install the Module::Build module) (@INC contains: /etc/perl /usr/local/lib64/perl5/5.24.0/x86_64-linux /usr/local/lib64/perl5/5.24.0 /usr/lib64/perl5/vendor_perl/5.24.0/x86_64-linux /usr/lib64/perl5/vendor_perl/5.24.0 /usr/lib64/perl5/5.24.0/x86_64-linux /usr/lib64/perl5/5.24.0 .) at Build.PL line 3.
BEGIN failed--compilation aborted at Build.PL line 3.
 * ERROR: dev-perl/File-BaseDir-0.30.0-r1::gentoo failed (configure phase):
 *   Unable to build!
 *
 * Call stack:
 *     ebuild.sh, line  115:  Called src_configure
 *   environment, line 2549:  Called perl-module_src_configure
 *   environment, line 2072:  Called die
 * The specific snippet of code:
 *           perl Build.PL "$@" <<< "${pm_echovar}" || die "Unable to build!";
 *
 * If you need support, post the output of `emerge --info '=dev-perl/File-BaseDir-0.30.0-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-perl/File-BaseDir-0.30.0-r1::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/work/File-BaseDir-0.03'
 * S: '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/work/File-BaseDir-0.03'

>>> Failed to emerge dev-perl/File-BaseDir-0.30.0-r1, Log file:

>>>  '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/temp/build.log'

 * Messages for package media-fonts/liberation-fonts-2.00.1-r2:

 * The following fontconfig configuration files have been installed:
 *
 *   60-liberation.conf
 *
 * Use `eselect fontconfig` to enable/disable them.

 * Messages for package dev-perl/File-BaseDir-0.30.0-r1:

 * ERROR: dev-perl/File-BaseDir-0.30.0-r1::gentoo failed (configure phase):
 *   Unable to build!
 *
 * Call stack:
 *     ebuild.sh, line  115:  Called src_configure
 *   environment, line 2549:  Called perl-module_src_configure
 *   environment, line 2072:  Called die
 * The specific snippet of code:
 *           perl Build.PL "$@" <<< "${pm_echovar}" || die "Unable to build!";
 *
 * If you need support, post the output of `emerge --info '=dev-perl/File-BaseDir-0.30.0-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-perl/File-BaseDir-0.30.0-r1::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/work/File-BaseDir-0.03'
 * S: '/var/tmp/portage/dev-perl/File-BaseDir-0.30.0-r1/work/File-BaseDir-0.03'

 * Regenerating GNU info directory index...
 * Processed 95 info files.

!!! existing preserved libs:
>>> package: sys-libs/ncurses-6.0-r1
 *  - /lib64/libncurses.so.5
 *  - /lib64/libncurses.so.5.9
 *      used by /usr/bin/w3m (www-client/w3m-0.5.3-r5)
Use emerge @preserved-rebuild to rebuild packages using these libraries