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[Xen-changelog] [xen-unstable] [TOOLS] USe -mno-direct-seg-refs when bui
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| Subject: | [Xen-changelog] [xen-unstable] [TOOLS] USe -mno-direct-seg-refs when building on i386. |
| From: | Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx> |
| Date: | Fri, 15 Dec 2006 15:40:36 +0000 |
| Delivery-date: | Fri, 15 Dec 2006 07:40:13 -0800 |
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# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID c6f637694b85cb250e194e94e8d4e65be8f4d8e4
# Parent bc3ff220d24d083f8ff170969cc4eeed5fdb428f
[TOOLS] USe -mno-direct-seg-refs when building on i386.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
tools/Rules.mk | 4 ++++
1 files changed, 4 insertions(+)
diff -r bc3ff220d24d -r c6f637694b85 tools/Rules.mk
--- a/tools/Rules.mk Fri Dec 15 11:50:04 2006 +0000
+++ b/tools/Rules.mk Fri Dec 15 11:53:45 2006 +0000
@@ -18,6 +18,10 @@ CFLAGS += $(shell getconf LFS_CFLAGS)
CFLAGS += $(shell getconf LFS_CFLAGS)
CFLAGS += -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
LDFLAGS += $(shell getconf LFS_LDFLAGS)
+
+# 32-bit x86 does not perform well with -ve segment accesses on Xen.
+CFLAGS-$(CONFIG_X86_32) += $(call cc-option,$(CC),-mno-tls-direct-seg-refs)
+CFLAGS += $(CFLAGS-y)
%.opic: %.c
$(CC) $(CPPFLAGS) -DPIC $(CFLAGS) -fPIC -c -o $@ $<
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