# BSD LICENSE
-#
-# Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+#
+# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
# are met:
-#
-# * Redistributions of source code must retain the above copyright
+#
+# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
+# * Neither the name of Intel Corporation nor the names of its
+# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
ifeq (,$(wildcard $(RTE_OUTPUT)/.config))
$(error "need a make config first")
$(error "need a make config first")
endif
-# use a "for" in a shell to process dependencies: we don't want this
-# task to be run in parallel.
-..PHONY: depdirs
-depdirs:
- @rm -f $(RTE_OUTPUT)/.depdirs ; \
- for d in $(ROOTDIRS-y); do \
- if [ -f $(RTE_SRCDIR)/$$d/Makefile ]; then \
- [ -d $(BUILDDIR)/$$d ] || mkdir -p $(BUILDDIR)/$$d ; \
- $(MAKE) S=$$d -f $(RTE_SRCDIR)/$$d/Makefile depdirs \
- >> $(RTE_OUTPUT)/.depdirs ; \
- fi ; \
- done
+DEPDIR_FILES = $(addsuffix /.depdirs, $(addprefix $(BUILDDIR)/,$(ROOTDIRS-y)))
+
+.PHONY: depdirs
+depdirs: $(RTE_OUTPUT)/.depdirs
+$(RTE_OUTPUT)/.depdirs: $(DEPDIR_FILES)
+ @rm -f $@
+ @sort -u -o $@ $(DEPDIR_FILES)
+
+$(DEPDIR_FILES): $(RTE_OUTPUT)/.config
+ @dir=$(notdir $(@D)); \
+ [ -d $(BUILDDIR)/$$dir ] || mkdir -p $(BUILDDIR)/$$dir; \
+ $(MAKE) S=$$dir -f $(RTE_SRCDIR)/$$dir/Makefile depdirs > $@
.PHONY: depgraph
depgraph: