Check for pthreads

configure.ac

@@ -100,6 +100,13 @@ esac
 AC_MSG_RESULT([$hb_os_win32])
 AM_CONDITIONAL(OS_WIN32, test "$hb_os_win32" = "yes")
 
+have_pthread=false
+AX_PTHREAD([have_pthread=true])
+if $have_pthread; then
+	AC_DEFINE(HAVE_PTHREAD, 1, [Have POSIX threads])
+fi
+AM_CONDITIONAL(HAVE_PTHREAD, $have_pthread)
+
 dnl ==========================================================================
 
 have_ot=true

src/Makefile.am

@@ -100,6 +100,11 @@ HBHEADERS += \
 	$(NULL)
 endif
 
+if HAVE_PTHREAD
+HBCFLAGS += $(PTHREAD_CFLAGS)
+HBLIBS   += $(PTHREAD_LIBS)
+endif
+
 if HAVE_GLIB
 HBCFLAGS += $(GLIB_CFLAGS)
 HBLIBS   += $(GLIB_LIBS)