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-rw-r--r--lib/erl_interface/configure.in10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/erl_interface/configure.in b/lib/erl_interface/configure.in
index c958f80065..97f1cff345 100644
--- a/lib/erl_interface/configure.in
+++ b/lib/erl_interface/configure.in
@@ -1,7 +1,7 @@
# -*- Autoconf -*-
# %CopyrightBegin%
#
-# Copyright Ericsson AB 2000-2011. All Rights Reserved.
+# Copyright Ericsson AB 2000-2012. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
@@ -79,7 +79,7 @@ AC_ARG_ENABLE(threads,
no) threads_disabled=yes ;;
*) threads_disabled=no ;;
esac ],
-[ threads_disabled=no ])
+[ threads_disabled=maybe ])
dnl ----------------------------------------------------------------------
dnl Checks for programs
@@ -237,12 +237,16 @@ AC_SUBST(THR_DEFS)
AC_SUBST(EI_THREADS)
case "$threads_disabled" in
- no)
+ no|maybe)
LM_CHECK_THR_LIB
case "$THR_LIB_NAME" in
"")
EI_THREADS="false"
+ # Fail if --enable-threads given and no threads found
+ if test "x$threads_disabled" = "xno"; then
+ AC_MSG_ERROR(No threads support found)
+ fi
;;
win32_threads)
EI_THREADS="true"