Generate stack usage information only when enabled

This will only generate the .su files when CONFIG_STACK_USAGE is specified, otherwise the tree will be full of .su files. Change-Id: I3ffc7a7f5ab09aaae49ff65e8ad5de0832370777 Signed-off-by: Anas Nashif <[email protected]>
mlaz · Feb 6, 2016 · 9fe306b · 9fe306b
1 parent cf81e1f
commit 9fe306b
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diff --git a/Makefile b/Makefile
@@ -675,7 +675,9 @@ KBUILD_CFLAGS	+= $(call cc-option,-fno-strict-overflow)
 
 # generate an extra file that specifies the maximum amount of stack used,
 # on a per-function basis.
+ifdef CONFIG_STACK_USAGE
 KBUILD_CFLAGS	+= $(call cc-option,-fstack-usage)
+endif
 
 
 # disallow errors like 'EXPORT_GPL(foo);' with missing header

diff --git a/misc/Kconfig b/misc/Kconfig
@@ -141,6 +141,13 @@ config  DEBUG
 	only disables optimization, more debugging variants can be selected
 	from here to allow more debugging.
 
+config STACK_USAGE
+	bool "Generate stack usage information"
+	default n
+	help
+	Generate  an extra file that specifies the maximum amount of stack used,
+	on a per-function basis.
+
 config PRINTK
 	bool
 	prompt "Send printk() to console"