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openwrt-xburst/include/depends.mk
jow f6f48d65b9 [include] ignore vim .swp files when scanning for updates (#7867)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22880 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-09-03 12:31:18 +00:00

48 lines
1.2 KiB
Makefile

#
# Copyright (C) 2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# define a dependency on a subtree
# parameters:
# 1: directories/files
# 2: directory dependency
# 3: tempfile for file listings
# 4: find options
DEP_FINDPARAMS := -x "*/.svn*" -x ".*" -x "*:*" -x "*\!*" -x "* *" -x "*\\\#*" -x "*/.*_check" -x "*/.*.swp"
find_md5=$(SH_FUNC) find $(1) -type f $(patsubst -x,-and -not -path,$(DEP_FINDPARAMS) $(2)) | md5s
define rdep
.PRECIOUS: $(2)
.SILENT: $(2)_check
$(2): $(2)_check
$(2)_check::
if [ -f "$(2)" ]; then \
$(if $(3), \
$(call find_md5,$(1),$(4)) > $(3).1; \
{ [ \! -f "$(3)" ] || diff $(3) $(3).1 >/dev/null; } && \
) \
{ \
[ -f "$(2)_check.1" ] && mv "$(2)_check.1"; \
$(TOPDIR)/scripts/timestamp.pl $(DEP_FINDPARAMS) $(4) -n $(2) $(1) && { \
$(call debug_eval,$(SUBDIR),r,echo "No need to rebuild $(2)";) \
touch -r "$(2)" "$(2)_check"; \
} \
} || { \
$(call debug_eval,$(SUBDIR),r,echo "Need to rebuild $(2)";) \
touch "$(2)_check"; \
}; \
$(if $(3), mv $(3).1 $(3);) \
else \
$(if $(3), rm -f $(3) $(3).1;) \
$(call debug_eval,$(SUBDIR),r,echo "Target $(2) not built";) \
true; \
fi
endef