[ldap] pb de compilation sous solaris 8

[..]
cd liblthread; make  all
cc -I../../include  -Dsunos5 -D_REENTRANT -DLDAP_DEBUG          -DLDAP_REFERRALS       -DLDAP_LDBM -DLDAP_SHELL -DLDAP_PASSWD -DLDBM_USE_NDBM   -DTHREAD_SUNOS5_LWP    -c  thread.c
"../../include/lthread.h", line 70: identifier redeclared: pthread_attr_t
        current : int
        previous: struct  {pointer to void __pthread_attrp} : "/usr/include/sys/types.h", line 399
"../../include/lthread.h", line 71: warning: typedef redeclared: pthread_t
"../../include/lthread.h", line 85: identifier redeclared: pthread_mutexattr_t
        current : int
        previous: struct  {pointer to void __pthread_mutexattrp} : "/usr/include/sys/types.h", line 406
"../../include/lthread.h", line 86: identifier redeclared: pthread_mutex_t
        current : struct _lwp_mutex {struct  {..} flags, union  {..} lock, unsigned long long data}
        previous: struct _pthread_mutex {struct  {..} __pthread_mutex_flags, union  {..} __pthread_mutex_lock, unsigned long long __pthread_mutex_data} : "/usr/include/sys/types.h", line 371
"../../include/lthread.h", line 93: identifier redeclared: pthread_condattr_t
        current : int
        previous: struct  {pointer to void __pthread_condattrp} : "/usr/include/sys/types.h", line 413
"../../include/lthread.h", line 94: identifier redeclared: pthread_cond_t
        current : struct _lwp_cond {struct  {..} flags, unsigned long long data}
        previous: struct _pthread_cond {struct  {..} __pthread_cond_flags, unsigned long long __pthread_cond_data} : "/usr/include/sys/types.h", line 380
cc: acomp failed for thread.c
*** Error code 2
make: Fatal error: Command failed for target `thread.o'
Current working directory /tmp/ldap-3.3/libraries/liblthread
*** Error code 1
make: Fatal error: Command failed for target `all'
Current working directory /tmp/ldap-3.3/libraries
*** Error code 1
make: Fatal error: Command failed for target `all'
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