libcxx is having trouble on an old PowerMac G5

[Jeffrey Walton]

Hi Everyone,

libcxx is having trouble on an old PowerMac G5:

$ cat /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_libcxx/libcxx/main.log
version:1
:debug:sysinfo Mac OS X 10.5 (darwin/9.8.0) arch powerpc
:debug:sysinfo MacPorts 2.6.2
:debug:sysinfo Xcode 3.1.4
:debug:sysinfo SDK 10.5
:debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 10.5
...

:info:build + /usr/bin/g++-4.2 -c -g -O3 -arch i386 -arch ppc
-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_libcxx/libcxx/work/libcxxabi-5.0.1.src/include
-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_libcxx/libcxx/work/libcxx-5.0.1.src/include
-Os -std=c++11 -stdlib=libc++ -nostdinc++ -fstrict-aliasing
-Wstrict-aliasing=2 -Wsign-conversion -Wshadow -Wconversion
-Wunused-variable -Wmissing-field-initializers -Wchar-subscripts
-Wmismatched-tags -Wmissing-braces -Wshorten-64-to-32 -Wsign-compare
-Wstrict-aliasing=2 -Wstrict-overflow=4 -Wunused-parameter
-Wnewline-eof -D_LIBCPP_BUILDING_LIBRARY -I../include
../src/abort_message.cpp
:info:build cc1plus: error: unrecognized command line option "-Wsign-conversion"
:info:build cc1plus: error: unrecognized command line option "-Wmismatched-tags"
:info:build cc1plus: error: unrecognized command line option "-std=c++11"
:info:build cc1plus: error: unrecognized command line option "-stdlib=libc++"
:info:build cc1plus: error: unrecognized command line option "-Wsign-conversion"
:info:build cc1plus: error: unrecognized command line option "-Wmismatched-tags"
:info:build cc1plus: error: unrecognized command line option "-std=c++11"
:info:build cc1plus: error: unrecognized command line option "-stdlib=libc++"
:info:build fatal error: lipo: can't figure out the architecture type
of: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_libcxx/libcxx/work/.tmp/ccdZw5EV.out
:info:build make: ***
[/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_libcxx/libcxx/work/libcxxabi-5.0.1.src/lib/libc++abi.dylib]
Error 1