build: filter out relative directory entries from $PATH
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48107
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@ -39,6 +39,13 @@ unexport LPATH
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# make sure that a predefined CFLAGS variable does not disturb packages
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export CFLAGS=
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empty:=
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space:= $(empty) $(empty)
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path:=$(subst :,$(space),$(PATH))
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path:=$(filter-out .%,$(path))
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path:=$(subst $(space),:,$(path))
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export PATH:=$(path)
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unexport TAR_OPTIONS
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ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
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