1 # 2 # A Makefile with a collection of reusable functions. 3 # 4 # Copyright (C) 2009, Cisco Systems Inc. 5 # 6 # This program is free software; you can redistribute it and/or modify 7 # it under the terms of the GNU General Public License as published by 8 # the Free Software Foundation; either version 2 of the License, or 9 # (at your option) any later version. 10 # 11 # This program is distributed in the hope that it will be useful, 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 # GNU General Public License for more details. 15 # 16 # You should have received a copy of the GNU General Public License along 17 # with this program; if not, write to the Free Software Foundation, Inc., 18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 # 20 # Ngie Cooper, July 2009 21 # 22 23 SQUOTE := ' 24 25 # ' # to keep colorized editors from going nuts 26 27 MAKE_3_80_realpath = $(shell $(top_srcdir)/scripts/realpath.sh '$(subst $(SQUOTE),\\$(SQUOTE),$(1))') 28 29 MAKE_3_80_abspath = $(shell $(top_srcdir)/scripts/abspath.sh '$(subst $(SQUOTE),\\$(SQUOTE),$(1))') 30 31 # 32 # NOTE (garrcoop): 33 # 34 # The following functions are (sometimes) split into 3.80 and 3.81+ 35 # counterparts, and not conditionalized inside of the define(s) to work around 36 # an issue with how make 3.80 evaluates defines. 37 # 38 # SO DO NOT INTERNALIZE CONDITIONALS IN DEFINES OR YOU WILL BREAK MAKE 3.80! 39 # 40 41 # 42 # Generate an install rule which also creates the install directory if needed 43 # to avoid unnecessary bourne shell based for-loops and install errors, as well 44 # as adhoc install rules. 45 # 46 # 1 -> Target basename. 47 # 2 -> Source directory. 48 # 3 -> Destination directory. 49 # 50 ifdef MAKE_3_80_COMPAT 51 define generate_install_rule 52 53 INSTALL_FILES += $$(call MAKE_3_80_abspath,$$(DESTDIR)/$(3)/$(1)) 54 55 $$(call MAKE_3_80_abspath,$$(DESTDIR)/$(3)/$(1)): \ 56 $$(call MAKE_3_80_abspath,$$(dir $$(DESTDIR)/$(3)/$(1))) 57 install -m $$(INSTALL_MODE) "$(2)/$(1)" "$$@" 58 endef 59 else # not MAKE_3_80_COMPAT 60 define generate_install_rule 61 62 INSTALL_FILES += $$(abspath $$(DESTDIR)/$(3)/$(1)) 63 64 $$(abspath $$(DESTDIR)/$(3)/$(1)): \ 65 $$(abspath $$(dir $$(DESTDIR)/$(3)/$(1))) 66 install -m $$(INSTALL_MODE) "$(2)/$(1)" "$$@" 67 endef 68 endif # END MAKE_3_80_COMPAT 69 70 # 71 # Set SUBDIRS to the subdirectories where Makefiles were found. 72 # 73 define get_make_dirs 74 SUBDIRS ?= $$(subst $$(abs_srcdir)/,,$$(patsubst %/Makefile,%,$$(wildcard $$(abs_srcdir)/*/Makefile))) 75 SUBDIRS := $$(filter-out $$(FILTER_OUT_DIRS),$$(SUBDIRS)) 76 endef 77
