Fink on macOS Big Sur (resent reducing size)

I have tried to Fink generation on 11.7.8, but unsuccessful.
 
mkdir -p ~/src
cd src
git clone https://github.com/Fink/fink <https://github.com/Fink/fink>
cd fink
./bootstrap

(~/src/fink/perlmod/Services.pm ) —
1441 sub get_osx_vers {
1442         my $sw_vers = get_osx_vers_long();
1443         my $darwin_osx = get_darwin_equiv();
1444         $sw_vers =~ s/^(\d+\.\d+).*$/$1/;
1445         if ($sw_vers != $darwin_osx) {
1446                 if (($sw_vers == 11.6 && $darwin_osx == 11.6) || ($sw_vers == 12.6 && $darwin_osx == 12.5)) {
1447                         # special cases in Big Sur and Monterey where it's OK to have a mismatch
1448                 } else {
1449                         die "$sw_vers does not match the expected value of $darwin_osx. Please run `fink selfupdate` to download a newer version of fink";
1450                 }
1451         }
1452         return $sw_vers;
1453 }

# Revision of Services.pm — delete lines 1446 to 1452

# Secondary ./bootstrap — errors (See full log attached "bootstrap_revised_.txt")

(Quote)
checking whether the C compiler works... no
configure: error: in `/opt/sw2/src/fink.build/tar-bootstrap-1.29-1/tar-1.29':
configure: error: C compiler cannot create executables
See `config.log' for more details
### execution of ./configure failed, exit code 77
phase compiling: tar-bootstrap-1.29-1 failed

Before reporting any errors, please run "fink selfupdate" and try again.
Also try using "fink configure" to set your maximum build jobs to 1 and
attempt to build the package again.
.. .. ..
.. .. .. 
Package manager version: 0.45.99.git
Distribution version: selfupdate-point (bootstrap), 11.3, x86_64
Trees: local/main stable/main
Xcode.app: 13.0
Xcode command-line tools: 13.0.0.0.1.1630607135
(Unquote)

# Note: fink selfupdate was unable to run

# configure file is attached (See attached “Config_full.log_.txt”)

# as reference
[~] gcc -v
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/4.2.1
Apple clang version 13.0.0 (clang-1300.0.29.3)
Target: x86_64-apple-darwin20.6.0

(Note of aliases l='ls -ap’, ll='ls -apl’, cdl='cd ..;l’)

(Annex - compressed) bootstrap_revised_.txt, Config_full.log_.txt

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