I encountered the following build failure on Solaris 2.6 with the Sun C compiler:
  ...
  Compiling libads/kerberos.c with -KPIC
  Compiling libads/ads_status.c with -KPIC
  Linking nsswitch/libnss_wins.so
  cc: Warning: multiple use of -Q option, previous one discarded.
  ld: fatal: file dynconfig.po.o: open failed: No such file or directory
  ld: fatal: file lib/version.po.o: open failed: No such file or directory
  ld: fatal: File processing errors. No output written to nsswitch/libnss_wins.so
  gmake: *** [nsswitch/libnss_wins.so] Error 1

I configured Samba as follows:
  $ ./configure CC=cc CFLAGS=-mr -Qn -xO2 -xtarget=generic LDFLAGS=-L/opt/TWWfsw
/openldap2127/lib/nossl -R/opt/TWWfsw/openldap2127/lib/nossl  CPPFLAGS=-I/opt/TW
Wfsw/openldap2127/include --enable-shared --enable-static --without-pam --locals
tatedir=/var/opt/TWWfsw/samba305 --with-lockdir=/var/opt/TWWfsw/samba305/locks -
-with-piddir=/var/opt/TWWfsw/samba305/run --with-logfilebase=/var/opt/TWWfsw/sam
ba305/log --with-privatedir=/etc/opt/TWWfsw/samba305/private --with-configdir=/o
pt/TWWfsw/samba305/etc --with-swatdir=/opt/TWWfsw/samba305/lib/swat --with-samba
book=/opt/TWWfsw/samba305/doc/using-samba --with-readline=/opt/TWWfsw/readline43
s --with-included-popt --with-automount --with-ldap --with-manpages-langs=en --w
ith-acl-support --with-smbwrapper --prefix=/opt/TWWfsw/samba305