OPM/opm-core — pull request #619 by andlaus (2014-07-25 13:28:41+00:00)
Title: ERT: link to the pthreads library

this is required to make the opm-core build succeed if ERT was build
with -DBUILD_SHARED_LIBS=OFF . (without it, I get errors like

/home/and/src/ert/devel/libert_util/src/thread_pool_posix.c:328: error: undefined reference to 'pthread_create'