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77 lines
2.5 KiB
77 lines
2.5 KiB
#
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# A Makefile with a collection of reusable functions.
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#
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# Copyright (C) 2009, Cisco Systems Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Ngie Cooper, July 2009
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#
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SQUOTE := '
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# ' # to keep colorized editors from going nuts
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MAKE_3_80_realpath = $(shell $(top_srcdir)/scripts/realpath.sh '$(subst $(SQUOTE),\\$(SQUOTE),$(1))')
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MAKE_3_80_abspath = $(shell $(top_srcdir)/scripts/abspath.sh '$(subst $(SQUOTE),\\$(SQUOTE),$(1))')
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#
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# NOTE (garrcoop):
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#
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# The following functions are (sometimes) split into 3.80 and 3.81+
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# counterparts, and not conditionalized inside of the define(s) to work around
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# an issue with how make 3.80 evaluates defines.
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#
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# SO DO NOT INTERNALIZE CONDITIONALS IN DEFINES OR YOU WILL BREAK MAKE 3.80!
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#
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#
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# Generate an install rule which also creates the install directory if needed
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# to avoid unnecessary bourne shell based for-loops and install errors, as well
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# as adhoc install rules.
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#
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# 1 -> Target basename.
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# 2 -> Source directory.
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# 3 -> Destination directory.
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#
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ifdef MAKE_3_80_COMPAT
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define generate_install_rule
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INSTALL_FILES += $$(call MAKE_3_80_abspath,$$(DESTDIR)/$(3)/$(1))
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$$(call MAKE_3_80_abspath,$$(DESTDIR)/$(3)/$(1)): \
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$$(call MAKE_3_80_abspath,$$(dir $$(DESTDIR)/$(3)/$(1)))
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install -m $$(INSTALL_MODE) "$(2)/$(1)" "$$@"
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endef
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else # not MAKE_3_80_COMPAT
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define generate_install_rule
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INSTALL_FILES += $$(abspath $$(DESTDIR)/$(3)/$(1))
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$$(abspath $$(DESTDIR)/$(3)/$(1)): \
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$$(abspath $$(dir $$(DESTDIR)/$(3)/$(1)))
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install -m $$(INSTALL_MODE) "$(2)/$(1)" "$$@"
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endef
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endif # END MAKE_3_80_COMPAT
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#
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# Set SUBDIRS to the subdirectories where Makefiles were found.
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#
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define get_make_dirs
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SUBDIRS ?= $$(subst $$(abs_srcdir)/,,$$(patsubst %/Makefile,%,$$(wildcard $$(abs_srcdir)/*/Makefile)))
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SUBDIRS := $$(filter-out $$(FILTER_OUT_DIRS),$$(SUBDIRS))
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endef
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