+dnl CF_WITH_PTHREAD version: 2 updated: 2008/08/23 18:26:05
+dnl ---------------
+dnl Check for POSIX thread library.
+AC_DEFUN([CF_WITH_PTHREAD],
+[
+AC_MSG_CHECKING(if you want to link with the pthread library)
+AC_ARG_WITH(pthread,
+ [ --with-pthread use POSIX thread library],
+ [with_pthread=$withval],
+ [with_pthread=no])
+AC_MSG_RESULT($with_pthread)
+
+if test "$with_pthread" != no ; then
+ AC_CHECK_HEADER(pthread.h,[
+ AC_DEFINE(HAVE_PTHREADS_H)
+
+ AC_MSG_CHECKING(if we can link with the pthread library)
+ cf_save_LIBS="$LIBS"
+ LIBS="-lpthread $LIBS"
+ AC_TRY_LINK([
+#include <pthread.h>
+],[
+ int rc = pthread_create(0,0,0,0);
+],[with_pthread=yes],[with_pthread=no])
+ LIBS="$cf_save_LIBS"
+ AC_MSG_RESULT($with_pthread)
+
+ if test "$with_pthread" = yes ; then
+ LIBS="-lpthread $LIBS"
+ AC_DEFINE(HAVE_LIBPTHREADS)
+ else
+ AC_MSG_ERROR(Cannot link with pthread library)
+ fi
+ ])
+fi
+])
+dnl ---------------------------------------------------------------------------