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[Xen-devel] [PATCH 2/3] x86emul/test: avoid race in link farm rune



Several `ln -sf` can race with each other.  Provide dedicated targets
for soft-linking directories.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/tests/x86_emulator/Makefile | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/tests/x86_emulator/Makefile 
b/tools/tests/x86_emulator/Makefile
index 9bf36947c0..860e3867d6 100644
--- a/tools/tests/x86_emulator/Makefile
+++ b/tools/tests/x86_emulator/Makefile
@@ -40,12 +40,16 @@ distclean: clean
 .PHONY: install
 install:
 
-x86_emulate/x86_emulate.c x86_emulate/x86_emulate.h:
+x86_emulate:
        [ -L x86_emulate ] || ln -sf $(XEN_ROOT)/xen/arch/x86/x86_emulate .
 
-asm/x86-vendors.h asm/x86-defns.h asm/msr-index.h:
+x86_emulate/x86_emulate.c x86_emulate/x86_emulate.h: x86_emulate
+
+asm:
        [ -L asm ] || ln -sf $(XEN_ROOT)/xen/include/asm-x86 asm
 
+asm/x86-vendors.h asm/x86-defns.h asm/msr-index.h: asm
+
 HOSTCFLAGS += $(CFLAGS_xeninclude) -I.
 
 x86.h := asm/x86-vendors.h asm/x86-defns.h asm/msr-index.h
-- 
2.11.0


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