From c75ccd4c3a84993ea392f23f2cf75f7274e22cc1 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@hack.frob.com>
Date: Fri, 17 Aug 2012 09:35:15 -0700
Subject: Clean up definition of _LIBC_REENTRANT and _IO_MTSAFE_IO.

---
 Makeconfig | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Makeconfig')

diff --git a/Makeconfig b/Makeconfig
index 10df8eeb93..57f35f957f 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -1005,6 +1005,13 @@ endif
 sysd-rules-targets := $(sort $(foreach p,$(sysd-rules-patterns),\
 					 $(firstword $(subst :, ,$p))))
 
+# A sysdeps Makeconfig fragment may set libc-reentrant to yes.
+ifeq (yes,$(libc-reentrant))
+defines += -D_LIBC_REENTRANT
+
+libio-mtsafe = -D_IO_MTSAFE_IO
+endif
+
 endif # Makeconfig not yet included
 
 # Local Variables:
-- 
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