From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- scripts/Makefile.headersinst | 84 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 scripts/Makefile.headersinst (limited to 'scripts/Makefile.headersinst') diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst new file mode 100644 index 000000000..029d85bb0 --- /dev/null +++ b/scripts/Makefile.headersinst @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: GPL-2.0 +# ========================================================================== +# Installing headers +# +# All headers under include/uapi, include/generated/uapi, +# arch//include/uapi and arch//include/generated/uapi are +# exported. +# They are preprocessed to remove __KERNEL__ section of the file. +# +# ========================================================================== + +PHONY := __headers +__headers: + +include $(srctree)/scripts/Kbuild.include + +src := $(srctree)/$(obj) +gen := $(objtree)/$(subst include/,include/generated/,$(obj)) +dst := usr/include + +-include $(src)/Kbuild + +# $(filter %/, ...) is a workaround for GNU Make <= 4.2.1, where +# $(wildcard $(src)/*/) contains not only directories but also regular files. +src-subdirs := $(patsubst $(src)/%/,%,$(filter %/, $(wildcard $(src)/*/))) +gen-subdirs := $(patsubst $(gen)/%/,%,$(filter %/, $(wildcard $(gen)/*/))) +all-subdirs := $(sort $(src-subdirs) $(gen-subdirs)) + +src-headers := $(if $(src-subdirs), $(shell cd $(src) && find $(src-subdirs) -name '*.h')) +src-headers := $(filter-out $(no-export-headers), $(src-headers)) +gen-headers := $(if $(gen-subdirs), $(shell cd $(gen) && find $(gen-subdirs) -name '*.h')) +gen-headers := $(filter-out $(no-export-headers), $(gen-headers)) + +# If the same header is exported from source and generated directories, +# the former takes precedence, but this should be warned. +duplicated := $(filter $(gen-headers), $(src-headers)) +$(if $(duplicated), $(warning duplicated header export: $(duplicated))) + +gen-headers := $(filter-out $(duplicated), $(gen-headers)) + +# Add dst path prefix +all-subdirs := $(addprefix $(dst)/, $(all-subdirs)) +src-headers := $(addprefix $(dst)/, $(src-headers)) +gen-headers := $(addprefix $(dst)/, $(gen-headers)) +all-headers := $(src-headers) $(gen-headers) + +# Work out what needs to be removed +old-subdirs := $(wildcard $(all-subdirs)) +old-headers := $(if $(old-subdirs),$(shell find $(old-subdirs) -name '*.h')) +unwanted := $(filter-out $(all-headers), $(old-headers)) + +# Create directories +existing-dirs := $(sort $(dir $(old-headers))) +wanted-dirs := $(sort $(dir $(all-headers))) +new-dirs := $(filter-out $(existing-dirs), $(wanted-dirs)) +$(if $(new-dirs), $(shell mkdir -p $(new-dirs))) + +# Rules +quiet_cmd_install = HDRINST $@ + cmd_install = $(CONFIG_SHELL) $(srctree)/scripts/headers_install.sh $< $@ + +$(src-headers): $(dst)/%.h: $(src)/%.h $(srctree)/scripts/headers_install.sh FORCE + $(call if_changed,install) + +$(gen-headers): $(dst)/%.h: $(gen)/%.h $(srctree)/scripts/headers_install.sh FORCE + $(call if_changed,install) + +quiet_cmd_remove = REMOVE $(unwanted) + cmd_remove = rm -f $(unwanted) + +__headers: $(all-headers) +ifneq ($(unwanted),) + $(call cmd,remove) +endif + @: + +existing-headers := $(filter $(old-headers), $(all-headers)) + +-include $(foreach f,$(existing-headers),$(dir $(f)).$(notdir $(f)).cmd) + +PHONY += FORCE +FORCE: + +.PHONY: $(PHONY) -- cgit v1.2.3