[MacPorts] #71823: Port installs useless llvm-17 and clang-17 over and over again on macOS High Sierra, version 10.13.6

[MacPorts]

#71823: Port installs useless llvm-17 and clang-17 over and over again on macOS
High Sierra, version 10.13.6
------------------------+------------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.10.5
Resolution:             |   Keywords:  highsierra
      Port:  llvm-17    |
------------------------+------------------------

Comment (by ballapete):

 This delivers a long list:

 {{{
 boost176                       @1.76.0_13+no_single+no_static+python312
 cppcheck                       @2.16.2_0
 dvisvgm                        @3.4.2_0+mupdf
 fswatch                        @1.17.1_0
 gcc14                          @14.2.0_1+stdlib_flag
 gcc14-libcxx                   @14.2.0_1+clang17
 gnutls                         @3.7.11_1+dane
 gpgme                          @1.24.0_0
 graphviz
 @12.2.1_0+gdk_pixbuf+pangocairo+poppler+rsvg+x11
 gtest                          @1.15.2_0
 harfbuzz-icu                   @10.1.0_2
 harfbuzz-icu                   @10.2.0_0
 highway                        @1.2.0_0
 libgcc14                       @14.2.0_1+stdlib_flag
 libgcrypt                      @1.11.0_1
 libheif                        @1.19.5_1+kvazaar
 libjxl                         @0.11.1_0
 librsvg                        @2.58.5_0
 libvpx                         @1.15.0_0
 mesa                           @24.3.2_0+llvm
 mysql8                         @8.4.2_1
 orc                            @0.4.40_0
 pari                           @2.17.0_0+x11
 poppler                        @24.04.0_1+boost
 qt5-qtbase                     @5.15.15_2+openssl
 texlive-bin                    @2024.70613_1+x11
 xxhashlib                      @0.8.3_3
 }}}

 of which only `boost176` and `gcc14-libcxx` have a variant that uses a
 more up-to-date compiler. Wouldn't it make more sense to decimate the
 number of compilers and Python versions? Or wait a year or more before
 `llvm-19/clang-19` becomes the `default`? Actually for nothing now…

-- 
Ticket URL: <https://trac.macports.org/ticket/71823#comment:4>
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