# Makefile.in for building crosstool-NG
# This file serves as source for the ./configure operation

MAKEFLAGS += --no-print-directory --no-builtin-rules

all: Makefile build

###############################################################################
# Configuration variables

VERSION:= @@VERSION@@
BINDIR := @@BINDIR@@
LIBDIR := @@LIBDIR@@
DOCDIR := @@DOCDIR@@
MANDIR := @@MANDIR@@
DATE   := @@DATE@@
LOCAL  := @@LOCAL@@

# Paths found by ./configure
CT_install:=@@install@@
CT_make   :=@@make@@
CT_bash   :=@@bash@@
CT_grep   :=@@grep@@
CT_awk    :=@@awk@@
CT_sed    :=@@sed@@

###############################################################################
# Sanity checks

# Check if Makefile is up to date:
Makefile: Makefile.in
	@echo "$< did changed: you must re-run './configure'"
	@false

# If installing with DESTDIR, check it's an absolute path
ifneq ($(strip $(DESTDIR)),)
  ifneq ($(DESTDIR),$(abspath /$(DESTDIR)))
    $(error DESTDIR is not an absolute PATH: '$(DESTDIR)')
  endif
endif

###############################################################################
# Global make rules

TARGETS := bin lib doc man

build: $(patsubst %,build-%,$(TARGETS))

install: build real-install

clean: $(patsubst %,clean-%,$(TARGETS))

distclean: clean
	@echo "  RM     'Makefile'"
	@rm -f Makefile

uninstall: real-uninstall

###############################################################################
# Specific make rules

#--------------------------------------
# Build rules

build-bin: ct-ng

build-lib:

build-doc:

build-man: docs/ct-ng.1.gz

docs/ct-ng.1.gz: docs/ct-ng.1
	@echo "  GZIP   '$@'"
	@gzip -c9 $< >$@

%: %.in Makefile
	@echo "  SED    '$@'"
	@$(CT_sed) -r -e 's,@@CT_BINDIR@@,$(BINDIR),g;' \
	        -e 's,@@CT_LIBDIR@@,$(LIBDIR),g;'       \
	        -e 's,@@CT_DOCDIR@@,$(DOCDIR),g;'       \
	        -e 's,@@CT_MANDIR@@,$(MANDIR),g;'       \
	        -e 's,@@CT_VERSION@@,$(VERSION),g;'	    \
	        -e 's,@@CT_DATE@@,$(DATE),g;'           \
	        -e 's,@@CT_install@@,$(CT_install),g;'  \
	        -e 's,@@CT_make@@,$(CT_make),g;'        \
	        -e 's,@@CT_bash@@,$(CT_bash),g;'        \
	        -e 's,@@CT_grep@@,$(CT_grep),g;'        \
	        -e 's,@@CT_awk@@,$(CT_awk),g;'          \
	        -e 's,@@CT_sed@@,$(CT_sed),g;'          \
	        $@.in >$@

#--------------------------------------
# Clean rules

clean-bin:
	@echo "  RM     'ct-ng'"
	@rm -f ct-ng

clean-lib:

clean-doc:

clean-man:
	@echo "  RM     'docs/ct-ng.1'"
	@rm -f docs/ct-ng.1
	@echo "  RM     'docs/ct-ng.1.gz'"
	@rm -f docs/ct-ng.1.gz

#--------------------------------------
# Check for --local setup

ifeq ($(strip $(LOCAL)),1)

real-install:
	@echo "  CHMOD  'ct-ng'"
	@chmod a+x ct-ng

real-uninstall:
	@true

else

#--------------------------------------
# Install rules

real-install: $(patsubst %,install-%,$(TARGETS))

install-bin: $(DESTDIR)$(BINDIR)
	@echo "  INST   'ct-ng'"
	@$(CT_install) -m 755 ct-ng "$(DESTDIR)$(BINDIR)/ct-ng"

# If one is hacking crosstool-NG, the patch set might change between any two
# installations of the same VERSION, thus the patches must be removed prior
# to being installed. It is simpler to remove the whole lib/ directory, as it
# is the goal of the install-lib rule to install the lib/ directory...
install-lib: uninstall-lib $(DESTDIR)$(LIBDIR) install-lib-main install-lib-samples

install-lib-main: $(DESTDIR)$(LIBDIR)
	@for src_dir in config kconfig patches scripts; do                              \
	     echo "  INST   '$${src_dir}/'";                                            \
	     tar cf - --exclude=.svn $${src_dir} |(cd "$(DESTDIR)$(LIBDIR)"; tar xf -); \
	 done
	@rm -f "$(DESTDIR)$(LIBDIR)/scripts/addToolVersion.sh"
	@echo "  INST   'steps.mk'"
	@$(CT_install) -m 644 steps.mk "$(DESTDIR)$(LIBDIR)/steps.mk"

# Samples need a little love:
#  - change every occurrence of CT_TOP_DIR to CT_LIB_DIR
install-lib-samples: $(DESTDIR)$(LIBDIR) install-lib-main
	@echo "  INST   'samples/'"
	@tar cf - --exclude=.svn samples |(cd "$(DESTDIR)$(LIBDIR)"; tar xf -)
	@for samp_file in "$(DESTDIR)$(LIBDIR)/samples/"*"/crosstool.config"; do                    \
	     $(CT_sed) -r -i -e 's,\$$\{CT_TOP_DIR\},\$$\{CT_LIB_DIR\},g;' $${samp_file};           \
	     $(CT_sed) -r -i -e 's,^(CT_WORK_DIR)=.*,\1="\$${CT_TOP_DIR}/targets",;' $${samp_file}; \
	 done

install-doc: $(DESTDIR)$(DOCDIR)
	@for doc_file in docs/CREDITS docs/overview.txt; do             \
	     echo "  INST   '$${doc_file}'";                            \
	     $(CT_install) -m 644 "$${doc_file}" "$(DESTDIR)$(DOCDIR)"; \
	 done

install-man: $(DESTDIR)$(MANDIR)
	@echo "  INST   'ct-ng.1.gz'"
	@$(CT_install) -m 644 docs/ct-ng.1.gz "$(DESTDIR)$(MANDIR)"

$(sort $(DESTDIR)$(BINDIR) $(DESTDIR)$(LIBDIR) $(DESTDIR)$(DOCDIR) $(DESTDIR)$(MANDIR)):
	@echo "  MKDIR  '$@'"
	@$(CT_install) -m 755 -d "$@"


#--------------------------------------
# Uninstall rules

real-uninstall: $(patsubst %,uninstall-%,$(TARGETS))

uninstall-bin:
	@echo "  RM     '$(DESTDIR)$(BINDIR)/ct-ng'"
	@rm -f "$(DESTDIR)$(BINDIR)/ct-ng"

uninstall-lib:
	@echo "  RMDIR  '$(DESTDIR)$(LIBDIR)/'"
	@rm -rf "$(DESTDIR)$(LIBDIR)"

uninstall-doc:
	@echo "  RMDIR  '$(DESTDIR)$(DOCDIR)/'"
	@rm -rf "$(DESTDIR)$(DOCDIR)"

uninstall-man:
	@echo "  RM     '$(DESTDIR)$(MANDIR)/ct-ng.1.gz'"
	@rm -f "$(DESTDIR)$(MANDIR)/ct-ng.1"{,.gz}

endif # Not --local