>Bio-SamTools-1.33 acd$ ./Build 
Set up build environment without MacOSX10.5 SDK (will build i386 binaries)
Set up build environment without MacOSX10.5 SDK (will build i386 binaries)
Set up build environment without MacOSX10.5 SDK (will build i386 binaries)
Building Bio-SamTools
gcc -I../samtools-0.1.17/ -I/usr/local/ActivePerl-5.14/lib/CORE -DXS_VERSION="1.33" -DVERSION="1.33" -D_IOLIB=2 -D_FILE_OFFSET_BITS=64 -Wformat=0 -c -fno-common -DPERL_DARWIN -arch i386 -DUSE_SITECUSTOMIZE -DPERL_RELOCATABLE_INCPUSH -fno-merge-constants -fno-strict-aliasing -pipe -fstack-protector -O3 -o lib/Bio/DB/Sam.o lib/Bio/DB/Sam.c
ExtUtils::Mkbootstrap::Mkbootstrap('blib/arch/auto/Bio/DB/Sam/Sam.bs')
env LD_RUN_PATH=/usr/local/ActivePerl-5.14/lib/CORE cc -mmacosx-version-min=10.5 -bundle -undefined dynamic_lookup -Wl,-search_paths_first -arch i386 -fstack-protector -o blib/arch/auto/Bio/DB/Sam/Sam.bundle lib/Bio/DB/Sam.o -L../samtools-0.1.17/ -lbam -lz
ld: warning: ignoring file ../samtools-0.1.17//libbam.a, file was built for archive which is not the architecture being linked (i386)