am cb48497f: HOST_linux-x86: Avoid doubly define macro _FORTIFY_SOURCE

* commit 'cb48497ff2f84e8f7def981246ddc028ea126879':
  HOST_linux-x86: Avoid doubly define macro _FORTIFY_SOURCE
diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index 5ae4972..7df2893 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -53,6 +53,6 @@
 	-include $(call select-android-config-h,linux-x86)
 
 # Disable new longjmp in glibc 2.11 and later. See bug 2967937.
-HOST_GLOBAL_CFLAGS += -D_FORTIFY_SOURCE=0
+HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
 
 HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined