1 files changed, 4 insertions, 0 deletions
diff --git a/boehm-gc/configure b/boehm-gc/configure
index 5f3ab65..95e7184 100755
--- a/boehm-gc/configure
+++ b/boehm-gc/configure
@@ -2072,6 +2072,10 @@ if test "$THREADS" = yes; then
     *-*-win*)
        THREADS=win32
        ;;
+    *-*-irix[1-5].*)
+       # No built-in threads library on IRIX 5.* and older.
+       THREADS=none
+       ;;
     *-*-irix*)
        # FIXME: for now, choose POSIX, because we implement that.
        # Later, choose irix threads.