1# 2# Generic trunk rules include Makefile. 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# 24# generic_trunk_target 25# 26# Generate a set of recursive targets to apply over a trunk directory (has 27# directories) -- optionally with a set of trunk-based files. 28# 29# All variables in this canned define are essentially the same as 30# generic_leaf_target, with the exception that the install flow for local 31# targets is: 32# 33# $(INSTALL_FILES) -> trunk-install -> install (recursive) 34# 35# All recursive targets are traverse SUBDIRS as defined by the user, or if 36# undefined, defaults to any subdirectories where Makefile's are contained 37# within. 38# 39# generic_trunk_target specific variables are: 40# 41# RECURSIVE_TARGETS : a list of targets to apply over an entire 42# directory tree. This defaults to 43# `all install'. 44# 45# See generic_leaf_target, generic_target_env_setup, and get_make_dirs for 46# more details and design notes. 47# 48 49include $(top_srcdir)/include/mk/functions.mk 50 51RECURSIVE_TARGETS ?= all install 52 53$(eval $(get_make_dirs)) 54 55.PHONY: $(RECURSIVE_TARGETS) $(addprefix trunk-,$(RECURSIVE_TARGETS)) 56 57$(SUBDIRS): %: 58 mkdir -m 00755 -p "$@" 59 60$(MAKE_TARGETS): | $(MAKE_DEPS) 61 62trunk-all: $(MAKE_TARGETS) 63 64trunk-clean:: | $(SUBDIRS) 65 $(if $(strip $(CLEAN_TARGETS)),$(RM) -f $(CLEAN_TARGETS)) 66 67$(INSTALL_FILES): | $(INSTALL_DEPS) 68 69trunk-install: $(INSTALL_FILES) 70 71# Avoid creating duplicate .PHONY references to all, clean, and install. IIRC, 72# I've seen some indeterministic behavior when one does this in the past with 73# GNU Make... 74.PHONY: $(filter-out $(RECURSIVE_TARGETS),all clean install) 75all: trunk-all 76 77clean:: trunk-clean 78 @set -e; for dir in $(SUBDIRS); do \ 79 $(MAKE) -C "$$dir" -f "$(abs_srcdir)/$$dir/Makefile" $@; \ 80 done 81ifneq ($(abs_builddir),$(abs_srcdir)) 82 $(RM) -Rf $(SUBDIRS) 83endif 84 85install: trunk-install 86 87# Print out CURDIR to check for a recursion issue. 88ifeq ($(strip $(SUBDIRS)),) 89 $(warning CURDIR is: $(CURDIR)) 90 $(error SUBDIRS empty -- did you want generic_leaf_target instead?) 91else 92$(RECURSIVE_TARGETS): %: | $(SUBDIRS) 93 @set -e; for dir in $(SUBDIRS); do \ 94 $(MAKE) -C $$dir -f "$(abs_srcdir)/$$dir/Makefile" $@; \ 95 done 96endif 97 98# vim: syntax=make 99