[MacPorts] #58442: gcc9 (and other gccN) fails to install on Mojave, Xcode-10.2.1

[MacPorts]

#58442: gcc9 (and other gccN) fails to install on Mojave, Xcode-10.2.1
-------------------------+--------------------
  Reporter:  mouse07410  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  gcc9        |
-------------------------+--------------------

Comment (by mouse07410):

 And then a miracle happened (after the ''n''-th time of {{{sudo port clean
 gcc8 gcc9; sudo port selfupdate}}}):
 {{{
 $ sudo port install gcc9
 Enter PIN for 'Certificate For PIV Authentication (xxxxxxxx)':
 --->  Computing dependencies for libgcc9
 --->  Fetching archive for libgcc9
 --->  Attempting to fetch libgcc9-9.1.0_1.darwin_18.x86_64.tbz2 from
 https://packages.macports.org/libgcc9
 --->  Attempting to fetch libgcc9-9.1.0_1.darwin_18.x86_64.tbz2.rmd160
 from https://packages.macports.org/libgcc9
 --->  Installing libgcc9 @9.1.0_1
 --->  Cleaning libgcc9
 --->  Computing dependencies for libgcc9
 --->  Deactivating libgcc9 @9.1.0_0
 --->  Cleaning libgcc9
 --->  Activating libgcc9 @9.1.0_1
 --->  Cleaning libgcc9
 --->  Computing dependencies for gcc9
 --->  Fetching archive for gcc9
 --->  Attempting to fetch gcc9-9.1.0_1.darwin_18.x86_64.tbz2 from
 https://packages.macports.org/gcc9
 --->  Attempting to fetch gcc9-9.1.0_1.darwin_18.x86_64.tbz2.rmd160 from
 https://packages.macports.org/gcc9
 --->  Installing gcc9 @9.1.0_1
 --->  Activating gcc9 @9.1.0_1
 --->  Cleaning gcc9
 --->  Scanning binaries for linking errors
 --->  Found 6 broken files, matching files to ports
 --->  Found 1 broken port, determining rebuild order
 You can always run 'port rev-upgrade' again to fix errors.
 The following ports will be rebuilt: gcc8 @8.3.0
 Continue? [Y/n]:
 --->  Computing dependencies for libgcc8
 --->  Fetching archive for libgcc8
 --->  Attempting to fetch libgcc8-8.3.0_4.darwin_18.x86_64.tbz2 from
 https://packages.macports.org/libgcc8
 --->  Attempting to fetch libgcc8-8.3.0_4.darwin_18.x86_64.tbz2.rmd160
 from https://packages.macports.org/libgcc8
 --->  Installing libgcc8 @8.3.0_4
 --->  Cleaning libgcc8
 --->  Computing dependencies for libgcc8
 --->  Deactivating libgcc8 @8.3.0_3
 --->  Cleaning libgcc8
 --->  Activating libgcc8 @8.3.0_4
 --->  Cleaning libgcc8
 --->  Computing dependencies for gcc8
 --->  Fetching archive for gcc8
 --->  Attempting to fetch gcc8-8.3.0_4.darwin_18.x86_64.tbz2 from
 https://packages.macports.org/gcc8
 --->  Attempting to fetch gcc8-8.3.0_4.darwin_18.x86_64.tbz2.rmd160 from
 https://packages.macports.org/gcc8
 --->  Installing gcc8 @8.3.0_4
 --->  Cleaning gcc8
 --->  Computing dependencies for gcc8
 --->  Deactivating gcc8 @8.3.0_0
 --->  Cleaning gcc8
 --->  Activating gcc8 @8.3.0_4
 --->  Cleaning gcc8
 --->  Scanning binaries for linking errors
 --->  No broken files found.
 --->  No broken ports found.
 }}}

 So, the  build is probably still screwed up - but since it does find/get
 the prebuilt binary now, the urgency is probably lower.

-- 
Ticket URL: <https://trac.macports.org/ticket/58442#comment:7>
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