| # 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 distclean |
| clean distclean: |
| $(RM) -fr $(builddir_name) |
| |
| endif |
