>>> Unpacking source...
>>> Unpacking WordNet-QueryData-1.47.tar.gz to /var/tmp/portage/perl-gcpan/WordNet-QueryData-1.47/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/perl-gcpan/WordNet-QueryData-1.47/work/WordNet-QueryData-1.47 ...
[32;01m*[0m Using ExtUtils::MakeMaker
*** Please set the WNHOME environment variable to the location of your
*** WordNet installation. QueryData.pm will not work otherwise.
*** Alternatively, you can make the installation in the default
*** location, C:\Program Files\WordNet\3.0 on Windows, or /usr/local/WordNet-3.0 on unix.
[31;01m*[0m
[31;01m*[0m ERROR: perl-gcpan/WordNet-QueryData-1.47 failed.
[31;01m*[0m Call stack:
[31;01m*[0m ebuild.sh, line 49: Called src_compile
[31;01m*[0m environment, line 2384: Called perl-module_src_compile
[31;01m*[0m environment, line 2109: Called perl-module_src_prep
[31;01m*[0m environment, line 2162: Called die
[31;01m*[0m The specific snippet of code:
[31;01m*[0m echo "$pm_echovar" | perl Makefile.PL ${myconf} INSTALLMAN3DIR='none' PREFIX=/usr INSTALLDIRS=vendor DESTDIR=${D} || die "Unable to build! (are you using USE=\"build\"?)";
[31;01m*[0m The die message:
[31;01m*[0m Unable to build! (are you using USE="build"?)
[31;01m*[0m
[31;01m*[0m If you need support, post the topmost build error, and the call stack if relevant.
[31;01m*[0m A complete build log is located at '/var/tmp/portage/perl-gcpan/WordNet-QueryData-1.47/temp/build.log'.
[31;01m*[0m The ebuild environment file is located at '/var/tmp/portage/perl-gcpan/WordNet-QueryData-1.47/temp/environment'.
[31;01m*[0m This ebuild is from an overlay: '/usr/local/portage/overlays/private/'
[31;01m*[0m