#
# Install klibc
#
# File is logically seperated in two pieces.
# First piece is used when during a recursive descend of the klibc tree
# and second piece is used to do the final steps in the install
# If KLIBC_INSTALL is defined it tells us we are descending and we
# use first piece of the file.

# This indicates the location of the final version of the shared library.
# THIS MUST BE AN ABSOLUTE PATH WITH NO FINAL SLASH.
# Leave this empty to make it the root.
#
SHLIBDIR = /lib

# First rule
.PHONY: __install install-rule
__install:

# Install commands
install-data := install -m 644
install-lib  := install -m 755
install-bin  := install -m 755

# Install command
quiet_cmd_install = INSTALL $(install-y)
      cmd_install = $(install-bin) $(install-y) \
                                   $(INSTALLROOT)$(INSTALLDIR)/$(KLIBCCROSS)bin

ifeq ($(KLIBC_INSTALL),1)
# First part - we are descending..

# Reset variables (to get right type of assingment)
subdir- :=

# Include Kbuild file
include $(srctree)/scripts/Kbuild.include
include $(srctree)/$(obj)/Kbuild

# Directories to visit
# First find directories specified in lib-?, static-y and shared-y
find-dir = $(patsubst %/,%,$(filter %/, $(1)))

__subdir := $(call find-dir, $(lib-))
__subdir += $(call find-dir, $(lib-y))

__subdir += $(foreach e, $(static-y), $(call find-dir, $(e)))
__subdir += $(foreach e, $(shared-y), $(call find-dir, $(e)))

# Use subdir- in Kbuild file to tell kbuild to visit a specific dir
subdir-  += $(__subdir)

# Remove duplicates and add prefix
subdir- := $(addprefix $(obj)/,$(sort $(subdir-)))

# Files to install
install-y := $(strip $(addprefix $(obj)/, $(install-y)))

__install: $(subdir-) install-rule
ifneq ($(install-y),)
	$(call cmd,install)
else
	@:
endif

# Descending
.PHONY: $(subdir-)
$(subdir-):
	$(Q)$(MAKE) KLIBC_INSTALL=1 \
	            -f $(srctree)/scripts/Kbuild.install obj=$@

# If quiet is set, only print short version of command
cmd = @$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))' &&) $(cmd_$(1))


else
##########################################################################
# This is the first time this file is invoked, so kick off the
# install process.
# First we descend all sub-directories to let them do their install.
# Second we do the final install steps.

# Do actual install as a three steps approach
# 1) Create directories, install headers and man pages
# 2) Tell that we now install binaries
# 3) Install binaries by descending
.PHONY: header footer descend
header:
	$(Q)echo "  INSTALL headers + man pages to $(INSTALLROOT)$(INSTALLDIR)"
	$(Q)mkdir -p $(INSTALLROOT)$(bindir)
	$(Q)mkdir -p $(INSTALLROOT)$(mandir)/man1
	$(Q)mkdir -p $(INSTALLROOT)$(SHLIBDIR)
	$(Q)mkdir -p $(INSTALLROOT)$(INSTALLDIR)
	$(Q)-rm -rf $(INSTALLROOT)$(INSTALLDIR)/$(KCROSS)include
	$(Q)mkdir -p $(INSTALLROOT)$(INSTALLDIR)/$(KCROSS)include
	$(Q)mkdir -p $(INSTALLROOT)$(INSTALLDIR)/$(KCROSS)lib
	$(Q)mkdir -p $(INSTALLROOT)$(INSTALLDIR)/$(KCROSS)bin
	$(Q)set -e ; for d in linux scsi asm-$(KLIBCARCH) asm-generic $(ASMKLIBCARCH); do \
	  mkdir -p $(INSTALLROOT)$(INSTALLDIR)/$(KLIBCCROSS)include/$$d ; \
	  for r in $(KLIBCKERNELSRC)/include $(KLIBCKERNELOBJ)/include \
	           $(KLIBCKERNELOBJ)/include2 ; do \
	    [ ! -d $$r/$$d ] || \
	      cp -rfL $$r/$$d/. \
	          $(INSTALLROOT)$(INSTALLDIR)/$(KCROSS)include/$$d/. ; \
	  done ; \
	done
	$(Q)cd $(INSTALLROOT)$(INSTALLDIR)/$(KCROSS)include && ln -sf asm-$(KLIBCARCH) asm
	$(Q)cp -rf usr/include/. $(INSTALLROOT)$(INSTALLDIR)/$(KCROSS)include/.
	$(Q)$(install-data) $(srctree)/klcc/klcc.1 $(INSTALLROOT)$(mandir)/man1/$(KCROSS)klcc.1
	$(Q)$(install-bin) $(objtree)/klcc/$(KCROSS)klcc $(INSTALLROOT)$(bindir)

footer: header
	$(Q)echo "  INSTALL binaries to $(INSTALLROOT)$(INSTALLDIR)/$(KLIBCCROSS)bin"

descend: footer
	$(Q)$(MAKE) KLIBC_INSTALL=1 \
	            -f $(srctree)/scripts/Kbuild.install obj=$(obj)

__install: descend
	@:
endif