From 8c4a41f9835d56437c44631d97ef592e948385d9 Mon Sep 17 00:00:00 2001
From: Andrew Waterman <waterman@eecs.berkeley.edu>
Date: Sat, 17 Nov 2012 03:43:57 -0800
Subject: fix spinlocks; add --disable-atomics cfg opt

---
 configure | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index c0def38..e9864a6 100755
--- a/configure
+++ b/configure
@@ -648,6 +648,7 @@ enable_stow
 enable_optional_subprojects
 enable_vm
 enable_fp_emulation
+enable_atomics
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1283,6 +1284,7 @@ Optional Features:
                           Enable all optional subprojects
   --disable-vm            Disable virtual memory
   --disable-fp-emulation  Disable floating-point emulation
+  --disable-atomics       Emulate atomic ops nonatomically
 
 Some influential environment variables:
   CC          C compiler command
@@ -4047,6 +4049,19 @@ $as_echo "#define PK_ENABLE_FP_EMULATION /**/" >>confdefs.h
 
 fi
 
+# Check whether --enable-atomics was given.
+if test "${enable_atomics+set}" = set; then :
+  enableval=$enable_atomics;
+fi
+
+if test "x$enable_atomics" != "xno"; then :
+
+
+$as_echo "#define PK_ENABLE_ATOMICS /**/" >>confdefs.h
+
+
+fi
+
 
 
 
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