This definition in Makefile.dtbinst:
export dtbinst-root ?= $(obj)should define and export dtbinst-root when handling the root dts directory, and do nothing in the subdirectories. However, the variable does not reliably get exported to the environment, perhaps because its name contains a hyphen. Rename the variable to dtbinst_root. References: https://bugs.debian.org/833561 Fixes: 323a028d39cdi ("dts, kbuild: Implement support for dtb vendor subdirs") Signed-off-by: Ben Hutchings <[email protected]> --- --- a/scripts/Makefile.dtbinst +++ b/scripts/Makefile.dtbinst @@ -14,7 +14,7 @@ src := $(obj) PHONY := __dtbs_install __dtbs_install: -export dtbinst-root ?= $(obj) +export dtbinst_root ?= $(obj) include include/config/auto.conf include scripts/Kbuild.include @@ -22,7 +22,7 @@ include $(src)/Makefile PHONY += __dtbs_install_prep __dtbs_install_prep: -ifeq ("$(dtbinst-root)", "$(obj)") +ifeq ("$(dtbinst_root)", "$(obj)") $(Q)mkdir -p $(INSTALL_DTBS_PATH) endif @@ -33,7 +33,7 @@ dtbinst-dirs := $(dts-dirs) quiet_cmd_dtb_install = INSTALL $< cmd_dtb_install = mkdir -p $(2); cp $< $(2) -install-dir = $(patsubst $(dtbinst-root)%,$(INSTALL_DTBS_PATH)%,$(obj)) +install-dir = $(patsubst $(dtbinst_root)%,$(INSTALL_DTBS_PATH)%,$(obj)) $(dtbinst-files) $(dtbinst-dirs): | __dtbs_install_prep
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