rsync fails to build for ppc on 10.6.8 (Rosetta) in default config (but builds with custom call)

[barracuda156]

Another linker error:

/usr/bin/gcc-4.2 -std=gnu99 -I./zlib -pipe -Os -arch ppc -DHAVE_CONFIG_H -Wall -W -L/opt/local/lib -Wl,-headerpad_max_install_names -arch ppc -o rsync flist.o rsync.o generator.o receiver.o cleanup.o sender.o exclude.o util.o util2.o main.o checksum.o match.o syscall.o log.o backup.o delete.o options.o io.o compat.o hlink.o token.o uidlist.o socket.o hashtable.o usage.o fileio.o batch.o clientname.o chmod.o acls.o xattrs.o progress.o pipe.o lib/md5-asm-x86_64.o  params.o loadparm.o clientserver.o access.o connection.o authenticate.o lib/wildmatch.o lib/compat.o lib/snprintf.o lib/mdfour.o lib/md5.o lib/permstring.o lib/pool_alloc.o lib/sysacls.o lib/sysxattrs.o  zlib/deflate.o zlib/inffast.o zlib/inflate.o zlib/inftrees.o zlib/trees.o zlib/zutil.o zlib/adler32.o zlib/compress.o zlib/crc32.o  -lpopt -liconv -llz4 -lzstd -lxxhash -lcrypto 
collect2: ld terminated with signal 6 [Abort trap]
make: *** [rsync] Error 1
make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_rsync/rsync/work/rsync-3.2.3'
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_rsync/rsync/work/rsync-3.2.3" && /usr/bin/make -j4 -w all 
Exit code: 2
Error: Failed to build rsync: command execution failed

However builds successfully with:

sudo port -v install rsync  configure.compiler=macports-gcc-7 build_arch="ppc"

Sergey-Fedorovs-Mac-mini:~ svacchanda$ port -v installed rsync
The following ports are currently installed:
  rsync @3.2.3_1 (active) requested_variants='' platform='darwin 10' archs='ppc' date='2022-01-26T18:23:55+0800'