[MacPorts] #50845: libunwind: fails to find 'bits/c++config.h' on 10.5/PPC

[MacPorts]

#50845: libunwind: fails to find 'bits/c++config.h' on 10.5/PPC
------------------------+----------------------
  Reporter:  mojca@…    |      Owner:  jeremyhu
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:  leopard
      Port:  libunwind  |
------------------------+----------------------

Comment (by ken-cunningham-webuse):

 Oh - should say I also deleted the universal requirement on PPC as trying
 to build it with i386 generated this error, which disappeared when
 building only for PPC.

 {{{

 make: Entering directory
 '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libunwind/libunwind/work/libunwind-3.9.0.src/src'
 /opt/local/bin/clang-mp-3.4 -arch i386 -arch ppc  -I../include
 -I/opt/local/include -DUSE_MACPORTS_LIBUNWIND -DNDEBUG -Os -std=gnu99 -c
 -o UnwindLevel1.o UnwindLevel1.c
 /opt/local/bin/clang-mp-3.4 -arch i386 -arch ppc  -I../include
 -I/opt/local/include -DUSE_MACPORTS_LIBUNWIND -DNDEBUG -Os -std=gnu99 -c
 -o UnwindLevel1-gcc-ext.o UnwindLevel1-gcc-ext.c
 UNREACHABLE executed!
 UNREACHABLE executed!
 0  libLLVM-3.4.dylib 0x01dc4b24 llvm::sys::PrintStackTrace(__sFILE*) + 56
 0  libLLVM-3.4.dylib 0x01dc4b24 llvm::sys::PrintStackTrace(__sFILE*) + 56
 1  libLLVM-3.4.dylib 0x01dc514c llvm::sys::SetInterruptFunction(void
 (*)()) + 396
 2  libSystem.B.dylib1  0x9008389c libLLVM-3.4.dylib  0x01dc514c_sigtramp +
 68 llvm::sys::SetInterruptFunction(void (*)()) + 396
 2  libSystem.B.dylib 0x9008389c _sigtramp + 68
 Stack dump:
 0.      Program arguments: /opt/local/libexec/llvm-3.4/bin/clang -arch
 i386 -arch ppc -I../include -I/opt/local/include -DUSE_MACPORTS_LIBUNWIND
 -DNDEBUG -Os -std=gnu99 -c -o UnwindLevel1-gcc-ext.o UnwindLevel1-gcc-
 ext.c
 1.      Compilation construction
 2.      Building compilation jobs
 3.      Building compilation jobs

 Stack dump:
 0.      Program arguments: /opt/local/libexec/llvm-3.4/bin/clang -arch
 i386 -arch ppc -I../include -I/opt/local/include -DUSE_MACPORTS_LIBUNWIND
 -DNDEBUG -Os -std=gnu99 -c -o UnwindLevel1.o UnwindLevel1.c
 1.      Compilation construction
 2.      Building compilation jobs
 3.      Building compilation jobs
 Makefile:76: recipe for target 'UnwindLevel1-gcc-ext.o' failed
 make: *** [UnwindLevel1-gcc-ext.o] Trace/BPT trap
 make: *** Waiting for unfinished jobs....
 Makefile:76: recipe for target 'UnwindLevel1.o' failed
 make: *** [UnwindLevel1.o] Trace/BPT trap
 }}}

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Ticket URL: <https://trac.macports.org/ticket/50845#comment:4>
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