Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lao
Writing Makefile for Ao
cp Ao.pm blib/lib/Ao.pm
AutoSplitting blib/lib/Ao.pm (blib/lib/auto/Ao)
/Users/cpanrun/pristine/5.8.7/bin/perl /Users/cpanrun/pristine/5.8.7/lib/5.8.7/ExtUtils/xsubpp  -typemap /Users/cpanrun/pristine/5.8.7/lib/5.8.7/ExtUtils/typemap -typemap typemap  Ao.xs > Ao.xsc && mv Ao.xsc Ao.c
gcc -c   -fno-common -DPERL_DARWIN -no-cpp-precomp -arch ppc -arch i386 -nostdinc -B/Developer/SDKs/MacOSX10.4u.sdk/usr/include/gcc -B/Developer/SDKs/MacOSX10.4u.sdk/usr/lib/gcc -isystem/Developer/SDKs/MacOSX10.4u.sdk/usr/include -F/Developer/SDKs/MacOSX10.4u.sdk/System/Library/Frameworks -mmacosx-version-min=10.3 -DUSE_SITECUSTOMIZE -DNO_HASH_SEED -fno-strict-aliasing -pipe -O3   -DVERSION=\"0.02\" -DXS_VERSION=\"0.02\"  "-I/Users/cpanrun/pristine/5.8.7/lib/5.8.7/darwin-thread-multi-2level/CORE"   Ao.c
Ao.xs:5:19: error: ao/ao.h: No such file or directory
Ao.xs:5:19: error: ao/ao.h: No such file or directory
Ao.c: In function 'XS_Ao_get_driver_info':
Ao.c:216: error: 'ao_info_t' undeclared (first use in this function)
Ao.c:216: error: (Each undeclared identifier is reported only once
Ao.c:216: error: for each function it appears in.)
Ao.c:216: error: 'RETVAL' undeclared (first use in this function)
Ao.xs:173: error: 'info' undeclared (first use in this function)
Ao.c: In function 'XS_Ao_open':
Ao.c:246: error: 'uint_32' undeclared (first use in this function)
Ao.c:246: error: parse error before 'bits'
Ao.xs:194: error: 'ao_option_t' undeclared (first use in this function)
Ao.xs:194: error: 'ao_options' undeclared (first use in this function)
Ao.c:258: error: 'ao_device_t' undeclared (first use in this function)
Ao.c:258: error: 'RETVAL' undeclared (first use in this function)
Ao.c:261: error: 'bits' undeclared (first use in this function)
Ao.c: In function 'XS_Ao_get_driver_info':
Ao.c:216: error: 'ao_info_t' undeclared (first use in this function)
Ao.c:216: error: (Each undeclared identifier is reported only once
Ao.c:216: error: for each function it appears in.)
Ao.c:216: error: 'RETVAL' undeclared (first use in this function)
Ao.xs:173: error: 'info' undeclared (first use in this function)
Ao.c:267: error: 'rate' undeclared (first use in this function)
Ao.c:273: error: 'channels' undeclared (first use in this function)
Ao.xs:204: warning: passing argument 2 of 'Perl_sv_2mortal' from incompatible pointer type
Ao.xs:204: warning: assignment from incompatible pointer type
Ao.xs:207: warning: passing argument 4 of 'Perl_hv_iternextsv' from incompatible pointer type
Ao.c: In function 'XS_Ao_open':
Ao.c:246: error: 'uint_32' undeclared (first use in this function)
Ao.c:246: error: parse error before 'bits'
Ao.xs:194: error: 'ao_option_t' undeclared (first use in this function)
Ao.xs:194: error: 'ao_options' undeclared (first use in this function)
Ao.c:258: error: 'ao_device_t' undeclared (first use in this function)
Ao.c:258: error: 'RETVAL' undeclared (first use in this function)
Ao.c:261: error: 'bits' undeclared (first use in this function)
Ao.c:267: error: 'rate' undeclared (first use in this function)
Ao.c:273: error: 'channels' undeclared (first use in this function)
Ao.xs:204: warning: passing argument 2 of 'Perl_sv_2mortal' from incompatible pointer type
Ao.xs:204: warning: assignment from incompatible pointer type
Ao.xs:207: warning: passing argument 4 of 'Perl_hv_iternextsv' from incompatible pointer type
Ao.c: In function 'XS_Ao_play':
Ao.c:316: error: 'ao_device_t' undeclared (first use in this function)
Ao.c:316: error: 'device' undeclared (first use in this function)
Ao.c:318: error: 'uint_32' undeclared (first use in this function)
Ao.c:318: error: parse error before 'num_bytes'
Ao.c:322: error: parse error before ')' token
Ao.xs:227: error: 'num_bytes' undeclared (first use in this function)
Ao.c: In function 'XS_Ao_play':
Ao.c:316: error: 'ao_device_t' undeclared (first use in this function)
Ao.c:316: error: 'device' undeclared (first use in this function)
Ao.c:318: error: 'uint_32' undeclared (first use in this function)
Ao.c:318: error: parse error before 'num_bytes'
Ao.c:322: error: parse error before ')' token
Ao.xs:227: error: 'num_bytes' undeclared (first use in this function)
Ao.c: In function 'XS_Ao_close':
Ao.c:348: error: 'ao_device_t' undeclared (first use in this function)
Ao.c:348: error: 'device' undeclared (first use in this function)
Ao.c:352: error: parse error before ')' token
Ao.c: In function 'XS_Ao_close':
Ao.c:348: error: 'ao_device_t' undeclared (first use in this function)
Ao.c:348: error: 'device' undeclared (first use in this function)
Ao.c:352: error: parse error before ')' token
lipo: can't open input file: /var/tmp//ccN6JOlM.out (No such file or directory)
make: *** [Ao.o] Error 1