INFO: configure
Using ExtUtils::MakeMaker

ERROR: configure

ERROR: media-video/acidrip-0.14-r1 failed.
Call stack:
              ebuild.sh, line   49:  Called src_configure
            environment, line 2578:  Called perl-app_src_configure
            environment, line 2299:  Called perl-module_src_configure
            environment, line 2339:  Called perl-module_src_prep
            environment, line 2400:  Called die
The specific snippet of code:
              perl Makefile.PL PREFIX=/usr INSTALLDIRS=vendor INSTALLMAN3DIR='none' DESTDIR="${D}" ${myconf} <<< "${pm_echovar}" || die "Unable to build! (are you using USE=\"build\"?)";
 The die message:
  Unable to build! (are you using USE="build"?)

If you need support, post the topmost build error, and the call stack if relevant.
A complete build log is located at '/var/tmp/portage/media-video/acidrip-0.14-r1/temp/build.log'.
The ebuild environment file is located at '/var/tmp/portage/media-video/acidrip-0.14-r1/temp/environment'.