CC       test_tree_view_frame-test-tree-view-frame.o
  CCLD     libevolution-util.la
cc: error: no such file or directory: '/usr/local/lib/libgtkhtml-editor-4.0.so'
cc: error: no such file or directory: '/usr/local/lib/libgtkhtml-4.0.so'
gmake[4]: *** [libevolution-util.la] Error 1
gmake[4]: Leaving directory `/wrkdirs/usr/ports/mail/evolution/work/evolution-3.12.0/e-util'
gmake[3]: *** [all] Error 2
gmake[3]: Leaving directory `/wrkdirs/usr/ports/mail/evolution/work/evolution-3.12.0/e-util'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory `/wrkdirs/usr/ports/mail/evolution/work/evolution-3.12.0'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory `/wrkdirs/usr/ports/mail/evolution/work/evolution-3.12.0'
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1