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# Copyright Joyent, Inc. and other Node contributors. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
SRCDIR ?= $(CURDIR)
ifeq (,$(builddir_name))
VPATH := $(SRCDIR)
include $(SRCDIR)/build.mk
else # Out of tree build.
# Drop all built-in rules.
.SUFFIXES:
.PHONY: $(builddir_name)
$(builddir_name): $(builddir_name)/.buildstamp
$(MAKE) -C $@ -f $(CURDIR)/Makefile $(MAKECMDGOALS) \
SRCDIR=$(CURDIR) builddir_name=
$(builddir_name)/.buildstamp:
mkdir -p $(dir $@)
touch $@
# Add no-op rules for Makefiles to stop make from trying to rebuild them.
Makefile:: ;
%.mk:: ;
# Turn everything else into a no-op rule that depends on the build directory.
%:: $(builddir_name) ;
.PHONY: clean
clean:
$(RM) -fr $(builddir_name)
endif
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