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@@ -157,6 +157,10 @@ install-toolchain: | obj_toolchain/.lc_built
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ln -sf $(TARGET)-gcc $(DESTDIR)$(OUTPUT)/bin/$(TARGET)-cc
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ifneq ($(LINUX_SRCDIR),)
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+TARGET_ARCH = $(firstword $(subst -, ,$(TARGET)))
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+TARGET_ARCH_MANGLED = $(patsubst i%86,x86,$(patsubst aarch64%,arm64%,$(TARGET_ARCH)))
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+LINUX_ARCH_LIST = $(sort $(notdir $(wildcard $(LINUX_SRCDIR)/arch/*)))
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+LINUX_ARCH = $(firstword $(foreach a,$(LINUX_ARCH_LIST),$(findstring $(a),$(TARGET_ARCH_MANGLED))))
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ifneq ($(LINUX_ARCH),)
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all: kernel-headers
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install: install-kernel-headers
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Rich Felker