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-rw-r--r--scripts/Makefile.headersinst45
1 files changed, 31 insertions, 14 deletions
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 463b95acc15..06ba4a70bd4 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -8,7 +8,7 @@
# ==========================================================================
# called may set destination dir (when installing to asm/)
-_dst := $(if $(dst),$(dst),$(obj))
+_dst := $(or $(destination-y),$(dst),$(obj))
# generated header directory
gen := $(if $(gen),$(gen),$(subst include/,include/generated/,$(obj)))
@@ -16,47 +16,64 @@ gen := $(if $(gen),$(gen),$(subst include/,include/generated/,$(obj)))
kbuild-file := $(srctree)/$(obj)/Kbuild
include $(kbuild-file)
-_dst := $(if $(destination-y),$(destination-y),$(_dst))
+old-kbuild-file := $(srctree)/$(subst uapi/,,$(obj))/Kbuild
+ifneq ($(wildcard $(old-kbuild-file)),)
+include $(old-kbuild-file)
+endif
include scripts/Kbuild.include
-install := $(INSTALL_HDR_PATH)/$(_dst)
+installdir := $(INSTALL_HDR_PATH)/$(subst uapi/,,$(_dst))
header-y := $(sort $(header-y))
subdirs := $(patsubst %/,%,$(filter %/, $(header-y)))
header-y := $(filter-out %/, $(header-y))
# files used to track state of install/check
-install-file := $(install)/.install
-check-file := $(install)/.check
+install-file := $(installdir)/.install
+check-file := $(installdir)/.check
# generic-y list all files an architecture uses from asm-generic
# Use this to build a list of headers which require a wrapper
wrapper-files := $(filter $(header-y), $(generic-y))
+srcdir := $(srctree)/$(obj)
+gendir := $(objtree)/$(gen)
+
+oldsrcdir := $(srctree)/$(subst /uapi,,$(obj))
+
# all headers files for this dir
header-y := $(filter-out $(generic-y), $(header-y))
all-files := $(header-y) $(genhdr-y) $(wrapper-files)
-input-files := $(addprefix $(srctree)/$(obj)/,$(header-y)) \
- $(addprefix $(objtree)/$(gen)/,$(genhdr-y))
-output-files := $(addprefix $(install)/, $(all-files))
+output-files := $(addprefix $(installdir)/, $(all-files))
+
+input-files := $(foreach hdr, $(header-y), \
+ $(or \
+ $(wildcard $(srcdir)/$(hdr)), \
+ $(wildcard $(oldsrcdir)/$(hdr)), \
+ $(error Missing UAPI file $(srcdir)/$(hdr)) \
+ )) \
+ $(foreach hdr, $(genhdr-y), \
+ $(or \
+ $(wildcard $(gendir)/$(hdr)), \
+ $(error Missing generated UAPI file $(gendir)/$(hdr)) \
+ ))
# Work out what needs to be removed
-oldheaders := $(patsubst $(install)/%,%,$(wildcard $(install)/*.h))
+oldheaders := $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h))
unwanted := $(filter-out $(all-files),$(oldheaders))
# Prefix unwanted with full paths to $(INSTALL_HDR_PATH)
-unwanted-file := $(addprefix $(install)/, $(unwanted))
+unwanted-file := $(addprefix $(installdir)/, $(unwanted))
printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@))
quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\
file$(if $(word 2, $(all-files)),s))
cmd_install = \
- $(PERL) $< $(srctree)/$(obj) $(install) $(SRCARCH) $(header-y); \
- $(PERL) $< $(objtree)/$(gen) $(install) $(SRCARCH) $(genhdr-y); \
+ $(PERL) $< $(installdir) $(SRCARCH) $(input-files); \
for F in $(wrapper-files); do \
- echo "\#include <asm-generic/$$F>" > $(install)/$$F; \
+ echo "\#include <asm-generic/$$F>" > $(installdir)/$$F; \
done; \
touch $@
@@ -67,7 +84,7 @@ quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files)
# Headers list can be pretty long, xargs helps to avoid
# the "Argument list too long" error.
cmd_check = for f in $(all-files); do \
- echo "$(install)/$${f}"; done \
+ echo "$(installdir)/$${f}"; done \
| xargs \
$(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH); \
touch $@