[MacPorts] #46640: ld64 @136_3 +llvm34+universal (i386 + x86_64 + ppc): build fails with "'OSAtomicAdd64' was not declared in this scope" and "#error unknown default architecture"

[MacPorts]

#46640: ld64 @136_3 +llvm34+universal (i386 + x86_64 + ppc): build fails with
"'OSAtomicAdd64' was not declared in this scope" and "#error unknown
default architecture"
----------------------+------------------------
 Reporter:  larryv@…  |      Owner:  jeremyhu@…
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.3.3
 Keywords:            |       Port:  ld64
----------------------+------------------------
 This is on Snow Leopard; I haven’t tried Leopard yet.
 {{{
 :info:build /usr/bin/g++-4.2 -Os -Os  -arch x86_64 -arch i386 -arch ppc
 -I/opt/local/libexec/llvm-3.4/include -DLTO_SUPPORT -Isrc/abstraction
 -Isrc/ld -Isrc/ld/parsers -I/opt/local/include  -c -o src/ld/InputFiles.o
 src/ld/InputFiles.cpp
 :info:build src/ld/InputFiles.cpp:667:3: error: #error unknown default
 architecture
 :info:build src/ld/InputFiles.cpp: In member function ‘ld::File*
 ld::tool::InputFiles::makeFile(const Options::FileInfo&, bool)’:
 :info:build src/ld/InputFiles.cpp:282: error: ‘OSAtomicAdd64’ was not
 declared in this scope
 :info:build src/ld/InputFiles.cpp:290: error: ‘OSAtomicAdd64’ was not
 declared in this scope
 :info:build src/ld/InputFiles.cpp:312: error: ‘OSAtomicAdd64’ was not
 declared in this scope
 :info:build fatal error: lipo: can't figure out the architecture type of:
 /opt/local/var/macports/build/_Users_larryv_Projects_MacPorts_git_trunk_dports_devel_ld64/ld64/work/.tmp/ccoYDVjJ.out
 :info:build make: *** [src/ld/InputFiles.o] Error 1
 }}}

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Ticket URL: <https://trac.macports.org/ticket/46640>
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