nss-passwords 0.1-1 fails to build in precise

nss-passwords 0.1-1 fails to build in precise with ld --as-needed.

The entire log can be found here https://launchpadlibrarian.net/89413467/buildlog_ubuntu-precise-i386.nss-passwords_0.1-1_FAILEDTOBUILD.txt.gz

This is a snippet, focusing con the error:

ocamlfind ocamlc -g -package fileutils.str,sqlite3 -ccopt -lnss3 -ccopt -lnssutil3 -ccopt -lsmime3 -ccopt -lssl3 -ccopt -lplds4 -ccopt -lplc4 -ccopt -lnspr4 -ccopt -lpthread -ccopt -ldl -custom -linkpkg -o nss-passwords main.cmo nss_stubs.o main_stubs.o
nss_stubs.o: In function `password_func':
nss_stubs.c:(.text+0x175): undefined reference to `PL_strdup'
nss_stubs.o: In function `caml_nss_cleanup':
nss_stubs.c:(.text+0x1df): undefined reference to `NSS_Shutdown'
nss_stubs.c:(.text+0x200): undefined reference to `PR_Cleanup'
nss_stubs.o: In function `caml_nss_init':
nss_stubs.c:(.text+0x277): undefined reference to `PK11_SetPasswordFunc'
nss_stubs.c:(.text+0x282): undefined reference to `NSS_Init'
nss_stubs.o: In function `caml_do_decrypt':
nss_stubs.c:(.text+0x3af): undefined reference to `NSSBase64_DecodeBuffer'
nss_stubs.c:(.text+0x3dc): undefined reference to `PORT_GetError'
nss_stubs.c:(.text+0x3fd): undefined reference to `SECITEM_FreeItem'
nss_stubs.c:(.text+0x4af): undefined reference to `PK11SDR_Decrypt'
nss_stubs.c:(.text+0x4c5): undefined reference to `SECITEM_ZfreeItem'
nss_stubs.c:(.text+0x507): undefined reference to `SECITEM_ZfreeItem'
nss_stubs.c:(.text+0x529): undefined reference to `PORT_GetError'
collect2: ld returned 1 exit status
File "_none_", line 1, characters 0-1:
Error: Error while building custom runtime system
make[1]: *** [nss-passwords] Error 2