mk: optimize directory dependencies

[dpdk.git] / mk / rte.module.mk

diff --git a/mk/rte.module.mk b/mk/rte.module.mk
index 3c95fae..3dd9ac7 100644 (file)
--- a/mk/rte.module.mk
+++ b/mk/rte.module.mk
@@ -1,35 +1,33 @@
 #   BSD LICENSE
-# 
-#   Copyright(c) 2010-2012 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.
-# 
-#  version: DPDK.L.1.2.3-3
 
 ##### if sourced from kernel Kbuild system
 ifneq ($(KERNELRELEASE),)
@@ -45,7 +43,6 @@ else
 include $(RTE_SDK)/mk/internal/rte.install-pre.mk
 include $(RTE_SDK)/mk/internal/rte.clean-pre.mk
 include $(RTE_SDK)/mk/internal/rte.build-pre.mk
-include $(RTE_SDK)/mk/internal/rte.depdirs-pre.mk
 
 # VPATH contains at least SRCDIR
 VPATH += $(SRCDIR)
@@ -73,13 +70,14 @@ build: _postbuild
 # Link all sources in build directory
 %_link: FORCE
        $(if $(call compare,$(notdir $*),$*),\
-       @if [ ! -f $(notdir $(*)) ]; then ln -nfs $(*) . ; fi,\
+       @if [ ! -f $(notdir $(*)) ]; then ln -nfs $(SRCDIR)/$(*) . ; fi,\
        @if [ ! -f $(notdir $(*)) ]; then ln -nfs $(SRCDIR)/$(*) . ; fi)
 
 # build module
 $(MODULE).ko: $(SRCS_LINKS)
        @if [ ! -f $(notdir Makefile) ]; then ln -nfs $(SRCDIR)/Makefile . ; fi
-       @$(MAKE) -C $(RTE_KERNELDIR) M=$(CURDIR) O=$(RTE_KERNELDIR)
+       @$(MAKE) -C $(RTE_KERNELDIR) M=$(CURDIR) O=$(RTE_KERNELDIR) \
+               CC="$(KERNELCC)" CROSS_COMPILE=$(CROSS) V=$(if $V,1,0)
 
 # install module in $(RTE_OUTPUT)/kmod
 $(RTE_OUTPUT)/kmod/$(MODULE).ko: $(MODULE).ko
@@ -109,7 +107,6 @@ doclean:
 include $(RTE_SDK)/mk/internal/rte.install-post.mk
 include $(RTE_SDK)/mk/internal/rte.clean-post.mk
 include $(RTE_SDK)/mk/internal/rte.build-post.mk
-include $(RTE_SDK)/mk/internal/rte.depdirs-post.mk
 
 .PHONY: FORCE
 FORCE: