Ticket #69296: CMakeError.log

Performing C++ SOURCE FILE Test GCC_HAS_AS_NEEDED failed with the following output:
Change Dir: /opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_graphics_poppler/poppler/work/build/CMakeFiles/CMakeTmp

Run Build Command(s):/opt/local/bin/gmake -f Makefile cmTC_93b59/fast && /opt/local/bin/gmake  -f CMakeFiles/cmTC_93b59.dir/build.make CMakeFiles/cmTC_93b59.dir/build
gmake[1]: Entering directory '/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_graphics_poppler/poppler/work/build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_93b59.dir/src.cxx.o
/opt/local/bin/g++-mp-7 -DGCC_HAS_AS_NEEDED  -fno-exceptions -fno-check-new -fno-common -fno-operator-names -D_DEFAULT_SOURCE  -arch ppc -mmacosx-version-min=10.4 -o CMakeFiles/cmTC_93b59.dir/src.cxx.o -c /opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_graphics_poppler/poppler/work/build/CMakeFiles/CMakeTmp/src.cxx
Linking CXX executable cmTC_93b59
/opt/local/bin/cmake -E cmake_link_script CMakeFiles/cmTC_93b59.dir/link.txt --verbose=1
/opt/local/bin/g++-mp-7 -fno-exceptions -fno-check-new -fno-common -fno-operator-names -D_DEFAULT_SOURCE  -arch ppc -mmacosx-version-min=10.4 -Wl,-search_paths_first -Wl,-headerpad_max_install_names -L/opt/local/libexec/boost/1.76/lib -Wl,-headerpad_max_install_names -liconv -L/opt/local/lib -lMacportsLegacySupport  CMakeFiles/cmTC_93b59.dir/src.cxx.o -o cmTC_93b59  -Wl,--as-needed 
ld: unknown option: --as-needed
collect2: error: ld returned 1 exit status
gmake[1]: *** [CMakeFiles/cmTC_93b59.dir/build.make:99: cmTC_93b59] Error 1
gmake[1]: Leaving directory '/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_graphics_poppler/poppler/work/build/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:127: cmTC_93b59/fast] Error 2


Source file was:
int main() { return 0; }