* Package:    app-emacs/d-mode-2.0.6
 * Repository: gentoo
 * Maintainer: emacs@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
 * Emacs version: 24.5.1
>>> Unpacking source...
>>> Unpacking d-mode-2.0.6.tar.gz to /var/tmp/portage/app-emacs/d-mode-2.0.6/work
>>> Source unpacked in /var/tmp/portage/app-emacs/d-mode-2.0.6/work
>>> Preparing source in /var/tmp/portage/app-emacs/d-mode-2.0.6/work/Emacs-D-Mode-2.0.6 ...
 * Applying d-mode-2.0.6-emacs-24.4.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-emacs/d-mode-2.0.6/work/Emacs-D-Mode-2.0.6 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-emacs/d-mode-2.0.6/work/Emacs-D-Mode-2.0.6 ...
 * Compiling GNU Emacs Elisp files ...

In toplevel form:
d-mode.el:285:1:Warning: defcustom for `d-font-lock-extra-types' fails to
    specify containing group
d-mode.el:285:1:Warning: defcustom for `d-font-lock-extra-types' fails to
    specify containing group
Eval error in the `c-lang-defconst' for `c-regular-keywords-regexp' in d-mode:
Eval error in the `c-lang-defconst' for `c-basic-matchers-before' in d-mode:
Eval error in the `c-lang-defconst' for `c-matchers-2' in d-mode:
d-mode.el:292:1:Error: Symbol's function definition is void: set-difference
 * elisp-compile: batch-byte-compile failed
 [ !! ]
 * ERROR: app-emacs/d-mode-2.0.6::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line   93:  Called src_compile
 *   environment, line 2197:  Called elisp_src_compile
 *   environment, line  708:  Called elisp-compile 'd-mode.el'
 *   environment, line  522:  Called die
 * The specific snippet of code:
 *       eend $? "elisp-compile: batch-byte-compile failed" || die
 * 
 * If you need support, post the output of `emerge --info '=app-emacs/d-mode-2.0.6::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-emacs/d-mode-2.0.6::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-emacs:d-mode-2.0.6:20150418-165617.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-emacs/d-mode-2.0.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-emacs/d-mode-2.0.6/temp/environment'.
 * Working directory: '/var/tmp/portage/app-emacs/d-mode-2.0.6/work/Emacs-D-Mode-2.0.6'
 * S: '/var/tmp/portage/app-emacs/d-mode-2.0.6/work/Emacs-D-Mode-2.0.6'