[MacPorts] #56666: py36-lxml @4.2.1 does not build on PPC Mac OS X 10.4.11, Tiger, because: ld: file not found: dynamic_lookup

[MacPorts]

#56666: py36-lxml @4.2.1 does not build on PPC Mac OS X 10.4.11, Tiger, because:
ld: file not found: dynamic_lookup
-----------------------+-----------------------
 Reporter:  ballapete  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.5.2
 Keywords:  tiger      |       Port:  py36-lxml
-----------------------+-----------------------
 That's the end:

 {{{
 copying src/lxml/isoschematron/resources/xsl/iso-schematron-
 xslt1/readme.txt ->
 build/lib.macosx-10.4-ppc-3.6/lxml/isoschematron/resources/xsl/iso-
 schematron-xslt1
 running build_ext
 building 'lxml.etree' extension
 creating build/temp.macosx-10.4-ppc-3.6
 creating build/temp.macosx-10.4-ppc-3.6/src
 creating build/temp.macosx-10.4-ppc-3.6/src/lxml
 /opt/local/bin/gcc-apple-4.2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-
 prototypes -arch ppc -DCYTHON_CLINE_IN_TRACEBACK=0 -I/opt/local/include
 -I/opt/local/include/libxml2 -Isrc -Isrc/lxml/includes
 -I/opt/local/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m
 -c src/lxml/etree.c -o build/temp.macosx-10.4-ppc-3.6/src/lxml/etree.o -w
 -flat_namespace
 /opt/local/bin/gcc-apple-4.2 -bundle -undefined dynamic_lookup
 -L/opt/local/lib -Wl,-headerpad_max_install_names -arch ppc -arch ppc
 build/temp.macosx-10.4-ppc-3.6/src/lxml/etree.o -L/opt/local/lib -lxslt
 -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.4-ppc-3.6/lxml/etree
 .cpython-36m-darwin.so -isysroot
 ld: file not found: dynamic_lookup
 collect2: ld returned 1 exit status
 error: command '/opt/local/bin/gcc-apple-4.2' failed with exit status 1
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_lil.fr.rsync.macports
 .org_release_tarballs_ports_python_py-lxml/py36-lxml/work/lxml-4.2.1" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6
 setup.py --no-user-cfg build
 Exit code: 1
 }}}

 Presumingly something else than the installed

 {{{
   ld64 @3_0+ld64_97 (active)
   ld64-97 @97.17_8 (active)
 }}}

 is used and the build fails.

-- 
Ticket URL: <https://trac.macports.org/ticket/56666>
MacPorts <https://www.macports.org/>
Ports system for macOS