Andy Dustman: add GNU pth user-space thread support.
diff --git a/configure.in b/configure.in
index ff43618..6a846a2 100644
--- a/configure.in
+++ b/configure.in
@@ -654,6 +654,10 @@
AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
AC_DEFINE(C_THREADS)
LIBOBJS="$LIBOBJS thread.o"],[
+AC_CHECK_LIB(pth, pth_init, [AC_DEFINE(WITH_THREAD)
+AC_DEFINE(_GNU_PTH)
+LIBS="-lpth $LIBS"
+LIBOBJS="$LIBOBJS thread.o"],[
AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
AC_DEFINE(_POSIX_THREADS)
LIBS="-lpthread $LIBS"
@@ -680,7 +684,7 @@
AC_DEFINE(_POSIX_THREADS)
LIBS="$LIBS -lcma"
LIBOBJS="$LIBOBJS thread.o"])
-])])])])])])])
+])])])])])])])])
AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
LIBS="$LIBS -lmpc"