a problem about pthread

[#GAO YANDONG#]

Dear all,

 

I met a problem when I compile DEAL.II (a general finite element
library) in FreeBSD 4.10. After I run "gmake", I got the following
information

 

"

/usr/.../deal/deal.II/lib/libdeal_II_2d.g.so: undefined reference to
'pthread_mutex_unlock'

/usr/.../deal/deal.II/lib/libdeal_II_2d.g.so: undefined reference to
'pthread_mutex_destroy'

/usr/.../deal/deal.II/lib/libdeal_II_2d.g.so: undefined reference to
'pthread_mutex_lock'

/usr/.../deal/deal.II/lib/libdeal_II_2d.g.so: undefined reference to
'pthread_mutex_init'

 

"

Someone tell me to use 

"export LIBS=-lpthread"

before compile the library, but it didn't work.

 

And, It's said on FreeBSD, "gcc -pthread " will generate some problem

http://lists.freebsd.org/mailman/htdig/freebsd-threads/2003-September/00
1203.html

 

 

What can I do?

 

Best Regards,

 

Yandong