Hi Mattia, here are the outputs:
> $ file /Users/adam/<snip>/arch/auto/Wx/Wx.bundle > $ otool -L /Users/adam/<snip>/arch/auto/Wx/Wx.bundle $ file /Users/adam/.cpan/build/Wx-0.9702-JGOpZU/blib/arch/auto/Wx/Wx.bundle /Users/adam/.cpan/build/Wx-0.9702-JGOpZU/blib/arch/auto/Wx/Wx.bundle: Mach-O universal binary with 3 architectures /Users/adam/.cpan/build/Wx-0.9702-JGOpZU/blib/arch/auto/Wx/Wx.bundle (for architecture x86_64): Mach-O 64-bit bundle x86_64 /Users/adam/.cpan/build/Wx-0.9702-JGOpZU/blib/arch/auto/Wx/Wx.bundle (for architecture i386): Mach-O bundle i386 /Users/adam/.cpan/build/Wx-0.9702-JGOpZU/blib/arch/auto/Wx/Wx.bundle (for architecture ppc7400): Mach-O bundle ppc $ otool -L /Users/adam/.cpan/build/Wx-0.9702-JGOpZU/blib/arch/auto/Wx/Wx.bundle /Users/adam/.cpan/build/Wx-0.9702-JGOpZU/blib/arch/auto/Wx/Wx.bundle: /usr/lib/libexpat.1.dylib (compatibility version 7.0.0, current version 7.2.0) /usr/lib/libz.1.dylib (compatibility version 1.0.0, current version 1.2.3) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 125.2.0) /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0) /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.9.0) > $ file <one of wxWidgets' dylib files> $ file /usr/lib/libexpat.1.dylib /usr/lib/libexpat.1.dylib: Mach-O universal binary with 3 architectures /usr/lib/libexpat.1.dylib (for architecture x86_64): Mach-O 64-bit dynamically linked shared library x86_64 /usr/lib/libexpat.1.dylib (for architecture i386): Mach-O dynamically linked shared library i386 /usr/lib/libexpat.1.dylib (for architecture ppc7400): Mach-O dynamically linked shared library ppc > $ perl -MAlien::wxWidgets=:dump -e 42 $ /usr/bin/perl -MAlien::wxWidgets=:dump -e 42 $VAR1 = { 'compiler_kind' => 'gcc', 'version' => '2.008011', 'build' => 'multi', 'key' => 'mac_2_8_11_gcc_3_4', 'package' => 'Alien::wxWidgets::Config::mac_2_8_11_gcc_3_4', 'compiler_version' => '3.4', 'mslu' => 0, 'unicode' => 0, 'toolkit' => 'mac', 'debug' => 0 }; $VAR2 = { 'compiler_kind' => 'gcc', 'version' => '2.008008', 'build' => 'mono', 'key' => 'mac_2_8_8_dbg_uni_gcc_3_4', 'package' => 'Alien::wxWidgets::Config::mac_2_8_8_dbg_uni_gcc_3_4', 'compiler_version' => '3.4', 'mslu' => 0, 'unicode' => 1, 'toolkit' => 'mac', 'debug' => 1 }; Are there any clues there? Separately, I did also manage to compile wxWidgets 2.9.1, but I couldn't get Wx-0.9702 to 'make' against that. thanks for your help adam