Makefile.in
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Jan 12 19:24:03 2010 +0100 (2010-01-12)
changeset 1761 88020b2c3246
parent 1576 906b7509835e
child 1876 a6a4beab3125
permissions -rw-r--r--
scripts/functions: change handling of nochdir

- 'nochdir' must be the first option
- have systematic pushd/popd, even if nochdir
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# Makefile.in for building crosstool-NG
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# This file serves as source for the ./configure operation
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# This series of test is here because GNU make 3.81 will *not* use MAKEFLAGS
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# to set additional flags in the current Makfile ( see:
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# http://savannah.gnu.org/bugs/?20501 ), although the make manual says it
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# should ( see: http://www.gnu.org/software/make/manual/make.html#Options_002fRecursion )
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# so we have to work it around by calling ourselves back if needed
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# So why do we need not to use the built rules and variables? Because we
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# need to generate scripts/crosstool-NG.sh from scripts/crosstool-NG.sh.in
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# and there is a built-in implicit rule '%.sh:' that has neither a pre-requisite
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# nor a command associated, and that built-in implicit rule takes precedence
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# over our non-built-in implicit rule '%: %.in', below.
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# CT_MAKEFLAGS will be used later, below...
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# Do not print directories as we descend into them
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ifeq ($(filter --no-print-directory,$(MAKEFLAGS)),)
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CT_MAKEFLAGS += --no-print-directory
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endif
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# Use neither builtin rules, nor builtin variables
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# Note: dual test, because if -R and -r are given on the command line
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# (who knows?), MAKEFLAGS contains 'Rr' instead of '-Rr', while adding
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# '-Rr' to MAKEFLAGS adds it literaly ( and does not add 'Rr' )
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ifeq ($(filter Rr,$(MAKEFLAGS)),)
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ifeq ($(filter -Rr,$(MAKEFLAGS)),)
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CT_MAKEFLAGS += -Rr
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endif # No -Rr
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endif # No Rr
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# Remove any suffix rules
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.SUFFIXES:
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all: Makefile build
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###############################################################################
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# Configuration variables
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VERSION:= @@VERSION@@
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BINDIR := @@BINDIR@@
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LIBDIR := @@LIBDIR@@
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DOCDIR := @@DOCDIR@@
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MANDIR := @@MANDIR@@
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DATE   := @@DATE@@
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LOCAL  := @@LOCAL@@
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# Paths found by ./configure
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install:= @@install@@
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bash   := @@bash@@
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grep   := @@grep@@
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make   := @@make@@
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sed    := @@sed@@
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###############################################################################
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# Sanity checks
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# Check if Makefile is up to date:
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Makefile: Makefile.in
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	@echo "$< did changed: you must re-run './configure'"
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	@false
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# If installing with DESTDIR, check it's an absolute path
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ifneq ($(strip $(DESTDIR)),)
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  ifneq ($(DESTDIR),$(abspath /$(DESTDIR)))
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    $(error DESTDIR is not an absolute PATH: '$(DESTDIR)')
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  endif
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endif
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###############################################################################
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# Global make rules
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# If any extra MAKEFLAGS were added, re-run ourselves
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# See top of file for an explanation of why this is needed...
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ifneq ($(strip $(CT_MAKEFLAGS)),)
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MAKEFLAGS += $(CT_MAKEFLAGS)
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build install clean distclean uninstall:
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	@$(MAKE) $@
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else
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# There were no additional MAKEFLAGS to add, do the job
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TARGETS := bin lib doc man
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build: $(patsubst %,build-%,$(TARGETS))
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install: build real-install
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clean: $(patsubst %,clean-%,$(TARGETS))
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distclean: clean
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	@echo "  RM     'Makefile'"
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	@rm -f Makefile
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uninstall: real-uninstall
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###############################################################################
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# Specific make rules
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#--------------------------------------
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# Build rules
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build-bin: ct-ng scripts/crosstool-NG.sh scripts/saveSample.sh scripts/showTuple.sh
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	@chmod 755 $^
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build-lib: paths.mk
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build-doc:
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build-man: docs/ct-ng.1.gz
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docs/ct-ng.1.gz: docs/ct-ng.1
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	@echo "  GZIP   '$@'"
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	@gzip -c9 $< >$@
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%: %.in Makefile
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	@echo "  SED    '$@'"
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	@$(sed) -r -e 's,@@CT_BINDIR@@,$(BINDIR),g;'    \
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	           -e 's,@@CT_LIBDIR@@,$(LIBDIR),g;'    \
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	           -e 's,@@CT_DOCDIR@@,$(DOCDIR),g;'    \
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	           -e 's,@@CT_MANDIR@@,$(MANDIR),g;'    \
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	           -e 's,@@CT_VERSION@@,$(VERSION),g;'	\
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	           -e 's,@@CT_DATE@@,$(DATE),g;'        \
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	           -e 's,@@CT_make@@,$(make),g;'        \
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	           -e 's,@@CT_bash@@,$(bash),g;'        \
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	           $@.in >$@
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# We create a script fragment that is parseable from inside a Makefile,
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# but also from inside a shell script, hence the reason why we don't
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# use := to set variables, although that will incur a (very small)
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# penalty from the Makefile that includes it (due to re-evaluation at
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# each call).
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paths.mk:
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	@echo "  GEN    '$@'"
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	@(echo "export install=$(install)"; \
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	  echo "export bash=$(bash)";       \
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	  echo "export grep=$(grep)";       \
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	  echo "export make=$(make)";       \
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	  echo "export sed=$(sed)";         \
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	 ) >paths.mk
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#--------------------------------------
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# Clean rules
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clean-bin:
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	@echo "  RM     'ct-ng'"
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	@rm -f ct-ng
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	@echo "  RM     'scripts/crosstool-NG.sh'"
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	@rm -f scripts/crosstool-NG.sh
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	@echo "  RM     'scripts/saveSample.sh'"
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	@rm -f scripts/saveSample.sh
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	@echo "  RM     'scripts/showTuple.sh'"
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	@rm -f scripts/showTuple.sh
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clean-lib:
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	@echo "  RM     'paths.mk'"
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	@rm -f paths.mk
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clean-doc:
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clean-man:
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	@echo "  RM     'docs/ct-ng.1'"
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	@rm -f docs/ct-ng.1
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	@echo "  RM     'docs/ct-ng.1.gz'"
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	@rm -f docs/ct-ng.1.gz
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#--------------------------------------
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# Check for --local setup
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ifeq ($(strip $(LOCAL)),y)
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real-install:
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	@true
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real-uninstall:
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	@true
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else
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#--------------------------------------
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# Install rules
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real-install: $(patsubst %,install-%,$(TARGETS))
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install-bin: $(DESTDIR)$(BINDIR)
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	@echo "  INST   'ct-ng'"
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	@$(install) -m 755 ct-ng "$(DESTDIR)$(BINDIR)/ct-ng"
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# If one is hacking crosstool-NG, the patch set might change between any two
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# installations of the same VERSION, thus the patches must be removed prior
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# to being installed. It is simpler to remove the whole lib/ directory, as it
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# is the goal of the install-lib rule to install the lib/ directory...
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install-lib: uninstall-lib $(DESTDIR)$(LIBDIR) install-lib-main install-lib-samples
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install-lib-main: $(DESTDIR)$(LIBDIR)
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	@for src_dir in config kconfig patches scripts; do  \
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	     echo "  INST   '$${src_dir}/'";                \
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	     tar cf - --exclude='*.sh.in' $${src_dir}       \
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	     |(cd "$(DESTDIR)$(LIBDIR)"; tar xf -);         \
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	 done
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	@chmod a+x $(DESTDIR)$(LIBDIR)/scripts/crosstool-NG.sh
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	@chmod a+x $(DESTDIR)$(LIBDIR)/scripts/saveSample.sh
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	@rm -f "$(DESTDIR)$(LIBDIR)/scripts/addToolVersion.sh"
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	@echo "  INST   'steps.mk'"
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	@$(install) -m 644 steps.mk "$(DESTDIR)$(LIBDIR)/steps.mk"
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	@echo "  INST   'paths.mk'"
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	@$(install) -m 644 paths.mk "$(DESTDIR)$(LIBDIR)/paths.mk"
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# Samples need a little love:
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#  - change every occurrence of CT_TOP_DIR to CT_LIB_DIR
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install-lib-samples: $(DESTDIR)$(LIBDIR) install-lib-main
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	@echo "  INST   'samples/'"
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	@tar cf - samples |(cd "$(DESTDIR)$(LIBDIR)"; tar xf -)
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	@for samp_file in "$(DESTDIR)$(LIBDIR)/samples/"*"/crosstool.config"; do                    \
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	     $(sed) -r -i -e 's,\$$\{CT_TOP_DIR\},\$$\{CT_LIB_DIR\},g;' $${samp_file};           \
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	     $(sed) -r -i -e 's,^(CT_WORK_DIR)=.*,\1="\$${CT_TOP_DIR}/targets",;' $${samp_file}; \
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	 done
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install-doc: $(DESTDIR)$(DOCDIR)
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	@for doc_file in docs/CREDITS docs/overview.txt; do             \
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	     echo "  INST   '$${doc_file}'";                            \
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	     $(install) -m 644 "$${doc_file}" "$(DESTDIR)$(DOCDIR)"; \
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	 done
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install-man: $(DESTDIR)$(MANDIR)
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	@echo "  INST   'ct-ng.1.gz'"
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	@$(install) -m 644 docs/ct-ng.1.gz "$(DESTDIR)$(MANDIR)"
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$(sort $(DESTDIR)$(BINDIR) $(DESTDIR)$(LIBDIR) $(DESTDIR)$(DOCDIR) $(DESTDIR)$(MANDIR)):
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	@echo "  MKDIR  '$@'"
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	@$(install) -m 755 -d "$@"
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#--------------------------------------
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# Uninstall rules
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real-uninstall: $(patsubst %,uninstall-%,$(TARGETS))
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uninstall-bin:
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	@echo "  RM     '$(DESTDIR)$(BINDIR)/ct-ng'"
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	@rm -f "$(DESTDIR)$(BINDIR)/ct-ng"
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uninstall-lib:
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	@echo "  RMDIR  '$(DESTDIR)$(LIBDIR)/'"
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	@rm -rf "$(DESTDIR)$(LIBDIR)"
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uninstall-doc:
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	@echo "  RMDIR  '$(DESTDIR)$(DOCDIR)/'"
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	@rm -rf "$(DESTDIR)$(DOCDIR)"
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uninstall-man:
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	@echo "  RM     '$(DESTDIR)$(MANDIR)/ct-ng.1.gz'"
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	@rm -f "$(DESTDIR)$(MANDIR)/ct-ng.1"{,.gz}
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endif # Not --local
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endif # No extra MAKEFLAGS were added