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		c5d972	`commit 2a08b6e8331a611dc29325bfa6e29fecc9a3a46e`
		c5d972	`Author: Siddhesh Poyarekar <siddhesh@sourceware.org>`
		c5d972	`Date: Thu Dec 10 16:47:02 2020 +0530`
		c5d972
		c5d972	`Warn on unsupported fortification levels`
		c5d972
		c5d972	`Make the _FORTIFY_SOURCE macro soup in features.h warn about`
		c5d972	`unsupported fortification levels. For example, it will warn about`
		c5d972	`_FORTIFY_SOURCE=3 and over with an indication of which level has been`
		c5d972	`selected.`
		c5d972
		c5d972	`Co-authored-by: Paul Eggert <eggert@cs.ucla.edu>`
		c5d972
		c5d972	`diff --git a/include/features.h b/include/features.h`
		c5d972	`index 5bed0a499605a3a2..ea7673ee115bcf0a 100644`
		c5d972	`--- a/include/features.h`
		c5d972	`+++ b/include/features.h`
		c5d972	`@@ -382,6 +382,9 @@`
		c5d972	`# elif !__GNUC_PREREQ (4, 1)`
		c5d972	`# warning _FORTIFY_SOURCE requires GCC 4.1 or later`
		c5d972	`# elif _FORTIFY_SOURCE > 1`
		c5d972	`+# if _FORTIFY_SOURCE > 2`
		c5d972	`+# warning _FORTIFY_SOURCE > 2 is treated like 2 on this platform`
		c5d972	`+# endif`
		c5d972	`# define __USE_FORTIFY_LEVEL 2`
		c5d972	`# else`
		c5d972	`# define __USE_FORTIFY_LEVEL 1`