- Update to 8.1.024.

- Declare a PATCH_DEPENDS on emulators/linux_base-8 only if actually using
  RTPpatch to apply an Intel provided binary patch.
- Turn the GCC-compatibility of ICC on by default for FreeBSD >= 502108;
  except for one bug which is worked around by this port and will be fixed
  in src later FreeBSD gained support for using the GCC-compatibility along
  with the patch to compile the kernel with ICC (but the ICC 8.0 series
  wasn't configurable/hackable enough to actually use it on FreeBSD, which
  resulted into the aforementioned bug).
- On FreeBSD >= 502108 default to using libstdc++ from the base as STL
  instead of STLport unless "-cxxlib-icc" is passed to icpc (made possible
  by turning on the GCC-compatibility and the compatibility to GCC 3.3 and
  3.4 which was added to ICC 8.1). On FreeBSD < 502108 STLport i.e.
  devel/stlport-icc is and will continue to be the only STL available.
  Update the instructions displayed by the post-install target accordingly.
- Put the wrappers for glibc specific symbols and other GNU/Linux compat
  hacks into their own library "libiccfbsd" and teach the ld-wrapper to
  injected this lib instead of adding these things to the Intel libcxa and
  libcxaguard. Beginning with ICC 8.1 non of the Intel libs is "guaranteed"
  to be linked into resulting executable (this is actually a fix in ICC
  as libcxa and libcxaguard are C++ only). This fixes linking against libm
  with icc amongst other things [1].
- Clean the ld-wrapper up a bit. Stop trying to create a perfect world for
  the real ld(1) regarding superfluous linkage options, ICC natively passes
  far to many of them to the linker that we easily could remove them all.
- Change the ld-wrapper to allow for bootstrapping STLport in a bit
  different way that we used to do it, required to make devel/stlport-icc
  build correctly again.
- Use fmt(1) to print the infos displayed by the post-install target so
  the text is formated properly after the included variables are expanded [2].

Todo: - Rework the freaking thread library selection via the PTHREAD_LIBS
        environment variable by the ld-wrapper, this causes really annoying
        problems when compiling ports with ICC. Some functionality analogous
        to the GCC "-pthread" option (which is also known by ICC but is not
        documented and doesn't do the right thing for FreeBSD) would be great.
      - Make devel/stlport-icc build again with ICC 8.1 after devel/stlport
        has been updated to 4.6.2 (PR 73604). Patch for 4.5.3 already done.

Reported by:	Dan Nelson <dnelson@allantgroup.com> [1]
Courtesy of:	netchild [2]
Approved by:	netchild

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