Someone

running build_ext
building 'lxml.etree' extension
creating build/temp.macosx-10.3-fat-2.4
creating build/temp.macosx-10.3-fat-2.4/src
creating build/temp.macosx-10.3-fat-2.4/src/lxml
gcc -arch ppc -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -fno-strict-aliasing -Wno-long-double -no-cpp-precomp -mno-fused-madd -fno-common -dynamic -DNDEBUG -g -O3 -I/usr/local/include/libxml2 -I/Library/Frameworks/Python.framework/Versions/2.4/include/python2.4 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.3-fat-2.4/src/lxml/lxml.etree.o -w
powerpc-apple-darwin8-gcc-4.0.1: src/lxml/lxml.etree.c: No such file or directory
powerpc-apple-darwin8-gcc-4.0.1: no input files
i686-apple-darwin8-gcc-4.0.1: src/lxml/lxml.etree.c: No such file or directory
i686-apple-darwin8-gcc-4.0.1: no input files
lipo: can't figure out the architecture type of: /var/tmp//ccvPOF75.out
error: command 'gcc' failed with exit status 1