From fe9a4c1201a3e0867cbc0324c55cfe90dce9415b Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@google.com>
Date: Wed, 17 Oct 2007 06:24:50 +0000
Subject: Add infrastructure for threading support.

---
 gold/configure.ac | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'gold/configure.ac')

diff --git a/gold/configure.ac b/gold/configure.ac
index aefd617..d8f71df 100644
--- a/gold/configure.ac
+++ b/gold/configure.ac
@@ -38,6 +38,21 @@ AC_DEFINE_UNQUOTED(TARGET_SYSTEM_ROOT, "$sysroot",
 AC_DEFINE_UNQUOTED(TARGET_SYSTEM_ROOT_RELOCATABLE, $sysroot_relocatable,
   [Whether the system root can be relocated])
 
+dnl For now threads are a configure time option.
+AC_ARG_ENABLE([threads],
+[  --enable-threads        multi-threaded linking],
+[case "${enableval}" in
+  yes | "") threads=yes ;;
+  no) threads=no ;;
+  *) threads=yes ;;
+ esac],
+[threads=no])
+if test "$threads" = "yes"; then
+  AC_DEFINE(ENABLE_THREADS, 1,
+	    [Define to do multi-threaded linking])
+fi
+AM_CONDITIONAL(THREADS, test "$threads" = "yes")
+
 AC_ARG_ENABLE([targets],
 [  --enable-targets        alternative target configurations],
 [case "${enableval}" in
-- 
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