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-rw-r--r--unix/tcl.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index a95cf63..dc5c16a 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -676,7 +676,7 @@ AC_DEFUN([SC_ENABLE_THREADS], [
# Does the pthread-implementation provide
# 'pthread_attr_setstacksize' ?
- AC_CHECK_FUNCS(pthread_attr_setstacksize)
+ AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork)
else
TCL_THREADS=0
fi