[Xen-devel] [PATCH v2] Fix building error

[Wen Congyang <wency@xxxxxxxxxxxxxx>]

Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
---
 tools/Rules.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/Rules.mk b/tools/Rules.mk
index 962a743..0a54bf1 100644
--- a/tools/Rules.mk
+++ b/tools/Rules.mk
@@ -57,6 +57,8 @@ SHLIB_libxenvchan  = -Wl,-rpath-link=$(XEN_LIBVCHAN)
 ifeq ($(debug),y)
 # Disable optimizations and enable debugging information for macros
 CFLAGS += -O0 -g3
+# _FORTIFY_SOURCE requires compiling with optimization
+CFLAGS += -Wp,-U_FORTIFY_SOURCE
 endif
 
 LIBXL_BLKTAP ?= $(CONFIG_BLKTAP2)
-- 
2.1.0


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