$ make
Making all in simgear
make[1]: Entering directory `/home/daniyar/fgfs-cvs/simgear-cvs/simgear'
make  all-recursive
make[2]: Entering directory `/home/daniyar/fgfs-cvs/simgear-cvs/simgear'
Making all in xml
make[3]: Entering directory `/home/daniyar/fgfs-cvs/simgear-cvs/simgear/xml'
g++ -DHAVE_CONFIG_H -I. -I../../simgear -I../..    -g -O2 -D_REENTRANT -MT easyxml.o -MD -MP -MF .deps/easyxml.Tpo -c -o easyxml.o easyxml.cxx
/usr/include/pthread.h:285: error: conflicting declaration ‘typedef struct pthread_st* pthread_t’
/usr/include/bits/pthreadtypes.h:36: error: ‘pthread_t’ has a previous declaration as ‘typedef long unsigned int pthread_t’
/usr/include/pthread.h:286: error: conflicting declaration ‘typedef struct pthread_attr_st* pthread_attr_t’
/usr/include/bits/pthreadtypes.h:43: error: ‘pthread_attr_t’ has a previous declaration as ‘typedef union pthread_attr_t pthread_attr_t’
/usr/include/pthread.h:287: error: conflicting declaration ‘typedef int pthread_key_t’
/usr/include/bits/pthreadtypes.h:109: error: ‘pthread_key_t’ has a previous declaration as ‘typedef unsigned int pthread_key_t’
/usr/include/pthread.h:289: error: conflicting declaration ‘typedef int pthread_mutexattr_t’
/usr/include/bits/pthreadtypes.h:79: error: ‘pthread_mutexattr_t’ has a previous declaration as ‘typedef union pthread_mutexattr_t pthread_mutexattr_t’
/usr/include/pthread.h:290: error: conflicting declaration ‘typedef struct pthread_mutex_st* pthread_mutex_t’
/usr/include/bits/pthreadtypes.h:73: error: ‘pthread_mutex_t’ has a previous declaration as ‘typedef union pthread_mutex_t pthread_mutex_t’
/usr/include/pthread.h:291: error: conflicting declaration ‘typedef int pthread_condattr_t’
/usr/include/bits/pthreadtypes.h:105: error: ‘pthread_condattr_t’ has a previous declaration as ‘typedef union pthread_condattr_t pthread_condattr_t’
/usr/include/pthread.h:292: error: conflicting declaration ‘typedef struct pthread_cond_st* pthread_cond_t’
/usr/include/bits/pthreadtypes.h:99: error: ‘pthread_cond_t’ has a previous declaration as ‘typedef union pthread_cond_t pthread_cond_t’
/usr/include/pthread.h:293: error: conflicting declaration ‘typedef int pthread_rwlockattr_t’
/usr/include/bits/pthreadtypes.h:142: error: ‘pthread_rwlockattr_t’ has a previous declaration as ‘typedef union pthread_rwlockattr_t pthread_rwlockattr_t’
/usr/include/pthread.h:294: error: conflicting declaration ‘typedef struct pthread_rwlock_st* pthread_rwlock_t’
/usr/include/bits/pthreadtypes.h:136: error: ‘pthread_rwlock_t’ has a previous declaration as ‘typedef union pthread_rwlock_t pthread_rwlock_t’
make[3]: *** [easyxml.o] Error 1
make[3]: Leaving directory `/home/daniyar/fgfs-cvs/simgear-cvs/simgear/xml'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/daniyar/fgfs-cvs/simgear-cvs/simgear'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/daniyar/fgfs-cvs/simgear-cvs/simgear'
make: *** [all-recursive] Error 1