AC_MSG_CHECKING([if more special flags are required for pthreads])
flag=no
case "${host_cpu}-${host_os}" in
- *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
- *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
+ *-aix* | *-freebsd*) flag="-D_THREAD_SAFE";;
+ *-osf* | *-hpux*) flag="-D_REENTRANT";;
+ *solaris*)
+ if test "$GCC" = "yes"; then
+ flag="-D_REENTRANT"
+ else
+ flag="-mt -D_REENTRANT"
+ fi
+ ;;
esac
AC_MSG_RESULT(${flag})
if test "x$flag" != xno; then