Add libc as explicit dependency where we use "-z defs" linker flags. This is
to silence the Sun linker. Otherwise it whines:
malloc ... (symbol belongs to implicit dependency /lib/libc.so.1)
EXEEXT=@EXEEXT@
AR=@AR@
-LDSHFLAGS=@LDSHFLAGS@ @RELRO_LDFLAGS@ @LDFLAGS@ @LDSHFLAGS_Z_DEFS@
+LDSHFLAGS=@LDSHFLAGS@ @RELRO_LDFLAGS@ @LDFLAGS@ -lc @LDSHFLAGS_Z_DEFS@
LDSHFLAGS_MODULES=@LDSHFLAGS@ @RELRO_LDFLAGS@ @LDFLAGS@ @LDSHFLAGS_Z_NODEFS@
LDFLAGS=@PIE_LDFLAGS@ @RELRO_LDFLAGS@ @LDFLAGS@
-WINBIND_NSS_LDSHFLAGS=@WINBIND_NSS_LDSHFLAGS@ @LDFLAGS@ @LDSHFLAGS_Z_DEFS@
+WINBIND_NSS_LDSHFLAGS=@WINBIND_NSS_LDSHFLAGS@ @LDFLAGS@ -lc @LDSHFLAGS_Z_DEFS@
AWK=@AWK@
PICFLAG=@PICFLAG@
DYNEXP=@DYNEXP@