D48324.id148783.diff
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D48324.id148783.diff
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	diff --git a/Mk/Uses/elfctl.mk b/Mk/Uses/elfctl.mk
	--- a/Mk/Uses/elfctl.mk
	+++ b/Mk/Uses/elfctl.mk
	@@ -1,26 +1,39 @@
	-# Change an ELF binary's feature control note
	+# Set ELF binary feature control notes
	#
	# Feature: elfctl
	-# Usage: USES=elfctl
	-# Valid ARGS: none
	+# Usage: USES=elfctl or USES=elfctl:ARGS
	+# Valid ARGS: build (default, implicit), stage
	#
	-# Variables
	+# Files listed in ELF_FEATURES are relative to:
	+# - ${BUILD_WRKSRC} when the `build` argument is supplied
	+# - ${STAGEDIR} if the `stage` argument is supplied.
	#
	-# ELF_FEATURES= featurelist:path/to/file1 \
	-# featurelist:path/to/file1 \
	- featurelist:path/to/file2
	+# Variables:
	#
	-# The file paths listed in ELF_FEATURES are relative to ${BUILD_WRKSRC}.
	+# ELF_FEATURES= featurelist:path/to/file1 \
	+# featurelist:path/to/file2
	#

	.if !defined(_INCLUDE_USES_ELFCTL_MK)
	_INCLUDE_USES_ELFCTL_MK= yes

	-. if ! empty(ELF_FEATURES)
	-_USES_build+= 720:elfctl-post-build
	-elfctl-post-build:
	+. if empty(elfctl_ARGS)
	+elfctl_ARGS= build
	+. endif
	+
	+. if ${elfctl_ARGS} == "build"
	+_ELFCTL_TOPDIR= ${BUILD_WRKSRC}
	+. elif ${elfctl_ARGS} == "stage"
	+_ELFCTL_TOPDIR= ${STAGEDIR}
	+. else
	+IGNORE= USES=elfctl - invalid args: [${elfctl_ARGS}] specified
	+. endif
	+
	+. if !empty(ELF_FEATURES)
	+_USES_${elfctl_ARGS}+= 720:elfctl-post-${elfctl_ARGS}
	+elfctl-post-${elfctl_ARGS}:
	. for feat in ${ELF_FEATURES}
	- ${ELFCTL} -i -e ${feat:C/:.//} ${BUILD_WRKSRC}/${feat:C/.://}
	+ ${ELFCTL} -i -e ${feat:C/:.//} ${_ELFCTL_TOPDIR}/${feat:C/.://}
	. endfor
	. endif