Unable to stage libgcc9 into destroot on Lion

[RobK88]

I am unable to upgrade libgcc9 on my old Mac running Lion. The upgrade fails when trying to stage libgcc9 into destroot.

bash-3.2$ port outdated
The following installed ports are outdated:
libgcc9                        9.3.0_3 < 9.4.0_0         

bash-3.2$ sudo port upgrade outdated
--->  Computing dependencies for libgcc9
--->  Fetching distfiles for libgcc9
--->  Attempting to fetch gcc-9.4.0.tar.xz from http://distfiles.macports.org/gcc9
--->  Verifying checksums for libgcc9                                                
--->  Extracting libgcc9
--->  Applying patches to libgcc9
--->  Configuring libgcc9
--->  Building libgcc9                                   
--->  Staging libgcc9 into destroot                      
Error: No files have been installed in the destroot directory!
Error: Please make sure that this software supports 'make install DESTDIR=${destroot}' or implement an alternative destroot mechanism in the Portfile.
Error: Files might have been installed directly into your system, check before proceeding.
Error: Failed to destroot libgcc9: Staging libgcc9 into destroot failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_gcc9/libgcc9/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.
bash-3.2$

[RobK88]

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