libgcc7: build failure

[temeo31]

Hi, Here is my configuration : Mac OS 11.1 (Big Sur) - Xcode 12.3 - Macports 2.6.4 I'm trying to install gcc5 (needed to compile old programs, important for us) but I got an issue during the build of libgcc7 (dependencie of gcc5) :

--->  Computing dependencies for libgcc7
--->  Fetching archive for libgcc7
--->  Attempting to fetch libgcc7-7.5.0_0.darwin_20.x86_64.tbz2 from https://packages.macports.org/libgcc7
--->  Attempting to fetch libgcc7-7.5.0_0.darwin_20.x86_64.tbz2 from http://atl.us.packages.macports.org/libgcc7
--->  Attempting to fetch libgcc7-7.5.0_0.darwin_20.x86_64.tbz2 from https://cph.dk.packages.macports.org/libgcc7
--->  Fetching distfiles for libgcc7
--->  Verifying checksums for libgcc7
--->  Extracting libgcc7
--->  Applying patches to libgcc7
--->  Configuring libgcc7
--->  Building libgcc7
Error: Failed to build libgcc7: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc7/libgcc7/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port libgcc7 failed

[temeo31]

Install libgcc7 log file archive