mk: allow renaming of build directories
[dpdk.git] / mk / rte.sdkconfig.mk
index 068d787..fa77331 100644 (file)
@@ -1,33 +1,5 @@
-#   BSD LICENSE
-#
-#   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
-#   are met:
-#
-#     * 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
-#       distribution.
-#     * 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
-#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
 
 .PHONY: showversion
 showversion:
@@ -60,17 +32,47 @@ showconfigs:
 
 .PHONY: notemplate
 notemplate:
-       @printf "No template specified. "
-       @echo "Use T=template among the following list:"
+       @printf "No template specified. Use 'make defconfig' or "
+       @echo "use T=template from the following list:"
        @$(MAKE) -rR showconfigs | sed 's,^,  ,'
 
+.PHONY: defconfig
+defconfig:
+       @$(MAKE) config T=$(shell \
+                uname -m | awk '{ \
+                if ($$0 == "aarch64") { \
+                        print "arm64-armv8a"} \
+                else if ($$0 == "armv7l") { \
+                        print "arm-armv7a"} \
+                else if ($$0 == "ppc64") { \
+                        print "ppc_64-power8"} \
+                else if ($$0 == "amd64") { \
+                        print "x86_64-native"} \
+                else { \
+                        printf "%s-native", $$0} }' \
+               )-$(shell \
+                uname | awk '{ \
+                if ($$0 == "Linux") { \
+                        print "linuxapp"} \
+                else { \
+                        print "bsdapp"} }' \
+               )-$(shell \
+               ${CC} --version | grep -o 'cc\|gcc\|icc\|clang' | awk \
+               '{ \
+               if ($$1 == "cc") { \
+                       print "gcc" } \
+               else { \
+                       print $$1 } \
+               }' \
+               )
+
 .PHONY: config
 ifeq ($(RTE_CONFIG_TEMPLATE),)
 config: notemplate
 else
 config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
-       $(Q)$(MAKE) depdirs
-       @echo "Configuration done"
+       @echo "Configuration done using" \
+               $(patsubst defconfig_%,%,$(notdir $(RTE_CONFIG_TEMPLATE)))
 endif
 
 $(RTE_OUTPUT):
@@ -79,11 +81,22 @@ $(RTE_OUTPUT):
 ifdef NODOTCONF
 $(RTE_OUTPUT)/.config: ;
 else
+# Generate config from template, if there are duplicates keep only the last.
+# To do so the temp config is checked for duplicate keys with cut/sort/uniq
+# Then for each of those identified duplicates as long as there are more than
+# just one left the last match is removed.
 $(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE | $(RTE_OUTPUT)
        $(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
                $(CPP) -undef -P -x assembler-with-cpp \
                -ffreestanding \
                -o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
+               config=$$(cat $(RTE_OUTPUT)/.config_tmp) ; \
+               echo "$$config" | awk -F '=' 'BEGIN {i=1} \
+                       /^#/ {pos[i++]=$$0} \
+                       !/^#/ {if (!s[$$1]) {pos[i]=$$0; s[$$1]=i++} \
+                               else {pos[s[$$1]]=$$0}} END \
+                       {for (j=1; j<i; j++) print pos[j]}' \
+                       > $(RTE_OUTPUT)/.config_tmp ; \
                if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
                        cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
                        cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config.orig ; \
@@ -96,13 +109,12 @@ endif
 
 # generate a Makefile for this build directory
 # use a relative path so it will continue to work even if we move the directory
-SDK_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_SRCDIR)) \
+SDK_RELPATH=$(shell $(RTE_SDK)/buildtools/relpath.sh $(abspath $(RTE_SRCDIR)) \
                                $(abspath $(RTE_OUTPUT)))
-OUTPUT_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_OUTPUT)) \
+OUTPUT_RELPATH=$(shell $(RTE_SDK)/buildtools/relpath.sh $(abspath $(RTE_OUTPUT)) \
                                $(abspath $(RTE_SRCDIR)))
 $(RTE_OUTPUT)/Makefile: | $(RTE_OUTPUT)
-       $(Q)$(RTE_SDK)/scripts/gen-build-mk.sh $(SDK_RELPATH) $(OUTPUT_RELPATH) \
-               > $(RTE_OUTPUT)/Makefile
+       $(Q)$(RTE_SDK)/buildtools/gen-build-mk.sh $(SDK_RELPATH) > $@
 
 # clean installed files, and generate a new config header file
 # if NODOTCONF variable is defined, don't try to rebuild .config
@@ -111,7 +123,7 @@ $(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
                $(RTE_OUTPUT)/lib \
                $(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
        $(Q)mkdir -p $(RTE_OUTPUT)/include
-       $(Q)$(RTE_SDK)/scripts/gen-config-h.sh $(RTE_OUTPUT)/.config \
+       $(Q)$(RTE_SDK)/buildtools/gen-config-h.sh $(RTE_OUTPUT)/.config \
                > $(RTE_OUTPUT)/include/rte_config.h
 
 # generate the rte_config.h
@@ -129,7 +141,6 @@ checkconfig:
        fi
        $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
                headerconfig NODOTCONF=1
-       $(Q)$(MAKE) -s depdirs
 
 .PHONY: FORCE
 FORCE: