xtrabackup builds fail on natty-32-1 host

[Stewart Smith]

http://jenkins.percona.com/view/Percona%20Xtrabackup/job/percona-xtrabackup-trunk/37/BUILD_TYPE=release,Host=ubuntu-natty-32bit,xtrabackuptarget=innodb51_builtin/console

I../listhash -c -o encode.o encode.c
gcc -g -O3 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -I. -I.. -I. -I../compat -I../listhash -c -o extract.o extract.c
gcc -g -O3 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -I. -I.. -I. -I../compat -I../listhash -c -o handle.o handle.c
append.c:33:2: error: #error "zlib not found"
In file included from /usr/include/string.h:642:0,
                 from encode.c:21:
In function ‘strncpy’,
    inlined from ‘th_finish’ at encode.c:33:10:
/usr/include/bits/string3.h:121:3: warning: call to __builtin___strncpy_chk will always overflow destination buffer
extract.c: In function ‘tar_extract_file’:
extract.c:114:6: warning: incompatible implicit declaration of built-in function ‘strlen’
extract.c: In function ‘tar_extract_dir’:append.c: In function ‘page_zip_calc_checksum’:
append.c:234:13: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token
append.c:234:15: error: ‘s’ undeclared (first use in this function)
append.c:234:15: note: each undeclared identifier is reported only once for each function it appears in
append.c:235:2: error: ‘uLong’ undeclared (first use in this function)
append.c:235:9: error: expected ‘;’ before ‘adler’
append.c:237:2: error: ‘adler’ undeclared (first use in this function)

make[1]: *** [append.o] Error 1
make[1]: *** Waiting for unfinished jobs....
extract.c:448:7: warn

[Alexey Kopytov (akopytov)]

Having the same problem on _all_ Ubuntu slaves: http://jenkins.percona.com/view/Percona%20Xtrabackup/job/percona-xtrabackup-1.6-param/43/

[Valentine Gostev (longbow)]

hosts with missing packages were re-enabled after installation